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 Voltage Detector IC Series
Low Voltage Free Delay Time Setting CMOS Voltage Detector IC Series
BU42G series, BU42F series, BU42FVE series, BU43G series, BU43F series, BU43FVE series
No.09006ECT02
Description ROHM CMOS reset IC series with adjustable output delay is a high-accuracy low current consumption reset IC series with a built-in delay circuit. The lineup was established with two output types (Nch open drain and CMOS output) and detection voltages range from 0.9V to 4.8V in increments of 0.1V, so that the series may be selected according to the application at hand. Features 1) Detection voltage from 0.9V to 4.8V in 0.1V increments 2) Highly accurate detection voltage: 1.0% 3) Ultra-low current consumption 4) Nch open drain output (BU42G/F/FVE)and CMOS output (BU43G/F/FVE) 5) Small surface package SSOP5: BU42GBU43G SOP4: BU42FBU43F VSOF5: BU42FVEBU43FVE Applications All electronics devices that use microcontrollers and logic circuits. Selection Guide No. Specifications Output Circuit Format Detection Voltage Package Description 2:Open Drain Output, 3:CMOS Output
Example VDET: Represented as 0.1V steps in the range from 0.9V to 4.8V (Displayed as 0.9 in the case of 0.9V) G:SSOP5(SMP5C2)/ F :SOP4/ FVE:VSOF5(EMP5)
Part Number : BU4
1 2 3

Lineup
Making ZR ZQ ZP ZN ZM ZL ZK ZJ ZH ZG ZF ZE ZD ZC ZB ZA YZ YY YX YW Detection voltage 4.8V 4.7V 4.6V 4.5V 4.4V 4.3V 4.2V 4.1V 4.0V 3.9V 3.8V 3.7V 3.6V 3.5V 3.4V 3.3V 3.2V 3.1V 3.0V 2.9V Part Number BU4248 BU4247 BU4246 BU4245 BU4244 BU4243 BU4242 BU4241 BU4240 BU4239 BU4238 BU4237 BU4236 BU4235 BU4234 BU4233 BU4232 BU4231 BU4230 BU4229 Making YV YU YT YS YR YQ YP YN YM YL YK YJ YH YG YF YE YD YC YB YA Detection voltage 2.8V 2.7V 2.6V 2.5V 2.4V 2.3V 2.2V 2.1V 2.0V 1.9V 1.8V 1.7V 1.6V 1.5V 1.4V 1.3V 1.2V 1.1V 1.0V 0.9V Part Number BU4228 BU4227 BU4226 BU4225 BU4224 BU4223 BU4222 BU4221 BU4220 BU4219 BU4218 BU4217 BU4216 BU4215 BU4214 BU4213 BU4212 BU4211 BU4210 BU4209 Making 1H 1G 1F 1E 1D 1C 1B 1A 0Z 0Y 0X 0W 0V 0U 0T 0S 0R 0Q 0P 0N Detection voltage 4.8V 4.7V 4.6V 4.5V 4.4V 4.3V 4.2V 4.1V 4.0V 3.9V 3.8V 3.7V 3.6V 3.5V 3.4V 3.3V 3.2V 3.1V 3.0V 2.9V Part Number BU4348 BU4347 BU4346 BU4345 BU4344 BU4343 BU4342 BU4341 BU4340 BU4339 BU4338 BU4337 BU4336 BU4335 BU4334 BU4333 BU4332 BU4331 BU4330 BU4329 Making 0M 0L 0K 0J 0H 0G 0F 0E 0D 0C 0B 0A ZZ ZY ZX ZW ZV ZU ZT ZS Detection voltage 2.8V 2.7V 2.6V 2.5V 2.4V 2.3V 2.2V 2.1V 2.0V 1.9V 1.8V 1.7V 1.6V 1.5V 1.4V 1.3V 1.2V 1.1V 1.0V 0.9V Part Number BU4328 BU4327 BU4326 BU4325 BU4324 BU4323 BU4322 BU4321 BU4320 BU4319 BU4318 BU4317 BU4316 BU4315 BU4314 BU4313 BU4312 BU4311 BU4310 BU4309
www.rohm.com (c) 2009 ROHM Co., Ltd. All rights reserved.
1/11
2009.11 - Rev.C
BU42G series, BU42F series, BU42FVE series, BU43G series, BU43F series, BU43FVE series Absolute maximum ratings (Ta=25C) Parameter Power Supply Voltage Nch Open Drain Output Output Voltage CMOS Output *1*4 SSOP5 Power *2*4 SOP4 Dissipation *3*4 VSOF5 Operating Temperature Ambient Storage Temperature
*1 *2 *3 *4
Technical Note
Symbol VDD-GND VOUT Pd Topr Tstg
Limits -0.3 ~ +7 GND-0.3 ~ +7 GND-0.3 ~ VDD+0.3 540 400 210 -40 ~ +125 -55 ~ +125
Unit V V mW C C
When used at temperatures higher than Ta=25C, the power is reduced by 5.4mW per 1C above 25C. When used at temperatures higher than Ta=25C, the power is reduced by 4.0mW per 1C above 25C. When used at temperatures higher than Ta=25C, the power is reduced by 2.1mW per 1C above 25C. When a ROHM standard circuit board (70mmx70mmx1.6mm, glass epoxy board)is mounted.
Electrical characteristics (Unless Otherwise Specified Ta=-40 to 105C) Parameter Detection Voltage Symbol VDET Condition VDD=HL, Ta=25C, RL=470k VDET =0.9-1.3V VDET =1.4-2.1V VDET =2.2-2.7V VDD=VDET-0.2V VDET =2.8-3.3V VDET =3.4-4.2V VDET =4.3-4.8V VDET =0.9-1.3V VDET =1.4-2.1V VDET =2.2-2.7V VDD=VDET+2.0V VDET =2.8-3.3V VDET =3.4-4.2V VDET =4.3-4.8V VOL0.4V, Ta=25~125C, RL=470k VOL0.4V, Ta=-40~25C, RL=470k VDS=0.5V VDD=6.0V VDET=4.0-4.8V VDS=0.05V VDD=0.85V VDS=0.5V VDD=1.5V VDET=1.7-4.8V VDS=0.5V VDD=2.4V VDET=2.7-4.8V VDD=VDS=7V Ta=-40~85C VDD=VDS=7V Ta=85~125C VDS=0.5V VDD=4.8V VDET=0.9-3.9V VDS=0.5V VDD=6.0V VDET=4.0-4.8V VDD=VDETx1.1, VDET=0.9-2.5V Ta=25C RL=470k VDD=VDETx1.1, VDET=2.6-4.8V Ta=25C RL=470k VDD=VDETx1.1 VCT=0.5V Ta=25C VCT=0.1V VDD=0.85V VCT=0.5V VDD=1.5V VDET=1.7-4.8V Min. Vdet(T) x0.99 0.70 0.90 2.0 20 1.0 3.6 1.7 2.0 Vdd x0.35 Vdd x0.40 9 5 200 VDET1.0V VDET1.1V Vdet x0.03 Vdet x0.03 Limit Typ. Vdet(T) 0.15 0.20 0.25 0.30 0.35 0.40 0.30 0.35 0.40 0.45 0.50 0.55 4.0 100 3.3 6.5 0 0 3.4 4.0 Vdd x0.45 Vdd x0.50 10 40 400 30 Vdet x0.05 Vdet x0.05 Max. Vdet(T) x1.01 0.88 1.05 1.23 1.40 1.58 1.75 1.40 1.58 1.75 1.93 2.10 2.28 0.1 1 Vdd x0.55 Vdd x0.60 11 Vdet x0.08 Vdet x0.07 Unit V
Circuit Current when ON
Idd1
A
Circuit Current when OFF
Idd2
A
Operating Voltage Range `High' Output Current (Pch) `Low' Output Current (Nch) Leak Current when OFF `High' Output Current (Pch)
Vopl IOH Iol Ileak Ioh
V mA A mA A mA
CT pin Threshold Voltage Output Delay Resistance CT pin Output Current Detection Voltage Temperature coefficient
Vcth Rct Ict
V M A ppm/C
*1
Vdet/T Ta=-40C ~125C VDD=LHL Ta=-40~125C RL=470k
Hysteresis Voltage
VDET
V
*1: Designed guarantee. (Outgoing inspection is not done all products.) VDET(T) : Standard Detection Voltage(0.9V to 4.8V, 0.1V step) RL: Pull-up resistor to be connected between VOUT and power supply.
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2/11
2009.11 - Rev.C
BU42G series, BU42F series, BU42FVE series, BU43G series, BU43F series, BU43FVE series Block Diagrams BU42G/F/FVE
VDD
Technical Note
BU43G/F/FVE
VDD
VOUT VOUT
Vref
Vref
GND
CT
GND
CT
Fig.1
TOP VIEW TOP VIEW
Fig.2
TOP VIEW
SSOP5
PIN No. 1 2 3 4 5 Symbol VOUT VDD GND N.C. CT Function Reset output Power supply voltage GND Unconnected terminal Capacitor connection terminal for output delay time 4 VOUT PIN No. 1 2 3 Symbol GND VDD CT
SOP4
Function GND Power supply voltage Capacitor connection terminal for output delay time Reset output PIN No. 1 2 3 4 5 Symbol VOUT SUB CT VDD GND
VSOF5
Function Reset output Substrate* Capacitor connection terminal for output delay time Power supply voltage GND
*Connect the substrate to VDD
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3/11
2009.11 - Rev.C
BU42G series, BU42F series, BU42FVE series, BU43G series, BU43F series, BU43FVE series Reference Data (Unless specified otherwise, Ta=25C)
0.6 CIRCUIT CURRENT IDD [A] 0.5 0.4 0.3 0.2 0.1 0.0 0 1 2 3 4 5 6 7 VDD SUPPLY VOLTAGE VDD[V] 5 BU4216F 4 3 2 1 0 0.0 VDD=1.2V 25
Technical Note
"LOW" OUTPUT CURRENT IOL [mA]
"HIGH" OUTPUT CURRENT IOH [mA]
BU4318G 20 15 VDD=4.8V 10 5 0 0 1 2 3 4 5 6 DRAIN-SOURCE VOLTAGE VDS[V] VDD=6.0V
0.5
1.0
1.5
2.0
2.5
DRAIN-SOURCE VOLTAGE VDS[V]
Fig.3 Circuit Current
Fig.4 "LOW" Output Current
Fig.5 "High" Output Current
7 OUTPUT VOLTAGE VOUT [V] 6 5 4 3 2 1 0 0 1 2 3 4 5 6 7 VDD SUPPLY VOLTAGE VDD[V] OUTPUT VOLTAGE VOUT [V] BU4216F
1.0 CT OUTPUT CURRENT ICT [A] BU4216F 0.8 0.6 0.4 0.2 0.0 0.0
700 600 500 400 300 200 100 0 0 0.5 1 1.5 2 2.5 VDD SUPPLY VOLTAGE VDD[V] BU4216F
0.5
1.0
1.5
2.0
2.5
VDD SUPPLY VOLTAGE VDD[V]
Fig.6 I/O Characteristics
Fig.7 Operating Limit Voltage
Fig.8 Ct Terminal Current
DETECTION VOLTAGE VDET[V]
Low to high(VDET+VDET)
BU4216F 0.4 0.3 0.2 0.1 0.0 -40
CIRCUIT CURRENT WHEN OFF IDD2 [A]
2.0
CIRCUIT CURRENT WHEN ON IDD1 [A]
0.5
1.0 BU4216F 0.8 0.6 0.4 0.2 0.0 -40
1.5
High to low(VDET)
BU4216F 1.0 -40 0 40 80 120
0
40
80
120
0
40
80
120
TEMPERATURE Ta[]
TEMPERATURE Ta[]
TEMPERATURE Ta[]
Fig.9 Detecting Voltage Release Voltage
1.0
MINIMUM OPERATING VOLTAGE VOPL[V]
Fig.10 Circuit Current when ON
Fig.11 Circuit Current when OFF
18
RESISTANCE OF CT RCT[M]
10000 BU4216F DELAY TIME TPLH [ms] 1000 100 10 1 0.1 0.01 0.001 0.0001 BU4216F
BU4216F
16 14 12 10 8 6 4 2 0 -40 0 40
0.5
0.0 -40
0
40
80
120
80
120
0.001
0.01
0.1
TEMPERATURE Ta[]
TEMPERATURE Ta[]
CAPACITANCE OF CT CCT[F]
Fig.12 Operating Limit Voltage
Fig.13 Ct Terminal Circuit Resistance
Fig.14 Delay Time (TPLH) and CT Terminal External Capacitance
www.rohm.com (c) 2009 ROHM Co., Ltd. All rights reserved.
4/11
2009.11 - Rev.C
BU42G series, BU42F series, BU42FVE series, BU43G series, BU43F series, BU43FVE series
Technical Note
Setting of Detector Delay Time This detector IC can be set delay time at the rise of VDD by the capacitor connected to CT terminal. Delay time at the rise of VDD TPLH:Time until when Vout rise to 1/2 of VDD after VDD rise up and beyond the release voltage(VDET+VDET) TPLH=-1xCCTxRCTxln CCT: RCT: VDD-VCTH VDD VCTH: CT pin Threshold Voltage(P.2 VCTH refer.) Natural Logarithm
CT pin Externally Attached Capacitance CT pin Internal Impedance(P.2 RCT refer.) Ln:
Reference Data of Falling Time (TPHL) Output Examples of Falling Time (TPHL) Output Part Number TPHL [s] BU4245G 275.7 BU4345G 359.3 * This data is for reference only. The figures will vary with the application, so please confirm actual operating conditions before use. Explanation of Operation For both the open drain type(Fig.15)and the CMOS output type(Fig.16), the detection and release voltages are used as threshold voltages. When the voltage applied to the Vdd pins reaches the applicable threshold voltage, the Vout terminal voltage switches from either "High" to "Low" or from "Low" to "High". BU42G/F/FVE and BU43G/F/FVE have delay time function which set TPLH (Output "Low""High") using an external capacitor (CCT). Because the BU42G/F/FVE series uses an open drain output type, it is possible to connect a pull-up resistor to VDD or another power supply [The output "High" voltage (VOUT) in this case becomes VDD or the voltage of the other power supply].
VDD VDD R1 Vref VOUT R2 Q3 R3 GND CT Q1 RESET
VDD R1 Vref R2 Q3 R3 GND CT Q1 VDD RESET VOUT Q2
Fig.15 (BU42 type internal block diagram)
Fig.16 (BU43 type internal block diagram)
Timing Waveforms Example: the following shows the relationship between the input voltage VDD, the CT Terminal Voltage VCT and the output voltage VOUT when the input power supply voltage VDD is made to sweep up and sweep down (The circuits are those in Fig.15 and 16). When the power supply is turned on, the output is unsettled from after over the operating limit voltage (VOPL) until TPHL. There fore it is VDET+VDET possible that the reset signal is not outputted when the rise time of VDET VDD is faster than TPHL. VDD VOPL When VDD is greater than VOPL but less than the reset release 0V voltage (VDET+VDET), the CT terminal (VCT) and output (VOUT) voltages will switch to L. 1/2 VDD If VDD exceeds the reset release voltage (VDET+VDET), then VOUT VCT switches from L to H (with a delay to the CT terminal). If VDD drops below the detection voltage (VDET) when the power supply is powered down or when there is a power supply fluctuation, TPLH TPHL TPLH VOUT switches to L (with a delay of TPHL). TPHL VOUT The potential difference between the detection voltage and the release voltage is known as the hysteresis width (VDET). The system is designed such that the output does not flip-flop with power supply Fig.17 fluctuations within this hysteresis width, preventing malfunctions due to noise.
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5/11
2009.11 - Rev.C
BU42G series, BU42F series, BU42FVE series, BU43G series, BU43F series, BU43FVE series Circuit Applications 1) Examples of a common power supply detection reset circuit
Technical Note
VDD1 RL
Microcontroller
VDD2
Application examples of BU42G/F/FVE series (Open Drain output type) and BU43G/F/FVE series (CMOS output type) are shown below. CASE1:The power supply of the microcontroller (Vdd2) differs from the power supply of the reset detection (Vdd1). Use the Open Drain Output Type (BU42G/FVE) attached a load resistance (RL) between the output and Vdd2. (As shown Fig.18) CASE2:The power supply of the microcontroller (Vdd1) is same as the power supply of the reset detection (Vdd1). Use CMOS output type (BU43G/FVE) or Open Drain Output Type (BU42G/FVE) attached a load resistance (RL) between the output and Vdd1. (As shown Fig.19) When a capacitance CL for noise filtering is connected to the Vout pin (the reset signal input terminal of the microcontroller), please take into account the waveform of the rise and fall of the output voltage (Vout).
BU42 CIN CT CL
RST
(Capacitor for noise filtering)
GND
Fig.18 Open collector Output type
VDD1
Microcontroller
BU43 CIN CT
RST
CL
(Capacitor for noise filtering)
GND
Fig.19 CMOS Output type
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6/11
2009.11 - Rev.C
BU42G series, BU42F series, BU42FVE series, BU43G series, BU43F series, BU43FVE series
Technical Note
2) Examples of the power supply with resistor dividers In applications where the power supply input terminal (VDD) of an IC with resistor dividers, it is possible that a through current will momentarily flow into the circuit when the output logic switches, resulting in malfunctions (such as output oscillatory state). (Through-current is a current that momentarily flows from the power supply (VDD) to ground (GND) when the output level switches from "High" to "Low" or vice versa.)
V1
IDD
R2 I1 VDD
Through Current
R1
CIN
BU42 BU43 CL GND
VOUT
0 Fig.20
VDET
VDD
A voltage drop of [the through-current (I1)] x [input resistor (R2)] is caused by the through current, and the input voltage to descends, when the output switches from "Low" to "High". When the input voltage decreases and falls below the detection voltage, the output voltage switches from "High" to "Low". At this time, the through-current stops flowing through output "Low", and the voltage drop is eliminated. As a result, the output switches from "Low" to "High", which again causes the through current to flow and the voltage drop. This process is repeated, resulting in oscillation. Consider the use of BU42 when the power supply input it with resistor dividers.
VDD - IDD Peak Current Ta=25C 10 BU43xx BU42xx BD52xx BD53xx IDD peak Current[mA] Temp - IDD(BU42xx) 2.5 2.0 1.5 1.0 0.5 0.0 3 4 5 6 7 VDD[V] 8 9 10 -50 -30 -10 10 30 50 Temp 70 90 110 130
VDD3V VDD6V VDD7V VDD4V
1 IDD-peak[mA]
0.1
0.01
0.001
Fig.21 Current Consumption vs. Power Supply Voltage * This data is for reference only. The figures will vary with the application, so please confirm actual operating conditions before use.
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7/11
2009.11 - Rev.C
BU42G series, BU42F series, BU42FVE series, BU43G series, BU43F series, BU43FVE series
Technical Note
Notes for use 1. Absolute maximum range Absolute Maximum Ratings are those values beyond which the life of a device may be destroyed. We cannot be defined the failure mode, such as short mode or open mode. Therefore a physical security countermeasure, like fuse, is to be given when a specific mode to be beyond absolute maximum ratings is considered. 2 . GND potential GND terminal should be a lowest voltage potential every state. Please make sure all pins that are over ground even if include transient feature. 3 . Electrical Characteristics Be sure to check the electrical characteristics, that are one the tentative specification will be changed by temperature, supply voltage, and external circuit. 4 . Bypass Capacitor for Noise Rejection Please put into the to reject noise between VDD pin and GND with 1uF over and between VOUT pin and GND with 1000pF. If extremely big capacitor is used, transient response might be late. Please confirm sufficiently for the point. 5 . Short Circuit between Terminal and Soldering Don't short-circuit between Output pin and VDD pin, Output pin and GND pin, or VDD pin and GND pin. When soldering the IC on circuit board please is unusually cautious about the orientation and the position of the IC. When the orientation is mistaken the IC may be destroyed. 6 . Electromagnetic Field Mal-function may happen when the device is used in the strong electromagnetic field. 7 . The VDD line inpedance might cause oscillation because of the detection current. 8 . A VDD -GND capacitor (as close connection as possible) should be used in high VDD line impedance condition. 9 . Lower than the mininum input voltage makes the VOUT high impedance, and it must be VDD in pull up (VDD) condition. 10. Case of needless Delay time, recommended to insert more 470k resister between VDD and CT. Recommended value of RL Resistar is over 50k (VDET=1.5~4.8V),over 100k (VDET=0.9~1.4V). 12. This IC has extremely high impedance terminals. Small leak current due to the uncleanness of PCB surface might cause unexpected operations. Application values in these conditions should be selected carefully. If 10M leakage is assumed between the CT terminal and the GND terminal, 1M connection between the CT terminal and the VDD terminal would be recommended. Also, if the leakage is assumed between the VOUT terminal and the GND terminal, the pull up resistor should be less than 1/10 of the assumed leak resistance. The value of RCT depends on the external resistor that is connected to CT terminal, so please consider the delay time that is decided by x RCT x CCT changes.
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8/11
2009.11 - Rev.C
BU42G series, BU42F series, BU42FVE series, BU43G series, BU43F series, BU43FVE series
Technical Note
13.
Delay time (tPLH) tPLH = x RCT x CCT (sec) : time constant RCT : 10M (typ.) (built-in resistor) CCT : capacitor connected CT pin. Recommended value of CCT capacitor is over 100pF. The reference value 6 ( x RCT) x10 VDET = 0.9 to 2.5V 6 6 6 Ta = 25C (min. = 5.1 x 10 typ.= 6.0 x 10 max = 6.9 x 10 ) 6 6 6 Ta = -25 to 125C (min. = 3.3 x 10 typ. = 6.0 x 10 max = 8.7 x 10 ) VDET = 2.6 to 4.8V 6 6 6 Ta = 25C (min. = 5.9 x 10 typ.= 6.9 x 10 max = 7.9 x 10 ) 6 6 6 Ta = -25 to 125C (min. = 3.8 x 10 typ.= 6.9 x 10 max = 10.0 x 10 )
14. External parameters The recommended parameter range for CT is 100pF~0.1F. For RL, the recommended range is 50k~1M. There are many factors (board layout, etc) that can affect characteristics. Please verify and confirm using practical applications. 15. CT pin discharge Due to the capabilities of the CT pin discharge transistor, the CT pin may not completely discharge when a short input pulse is applied, and in this case the delay time may not be controlled. Please verify the actual operation. 16. Power on reset operation Please note that the power on reset output varies with the Vcc rise up time. Please verify the actual operation. 17. Precautions for board inspection Connecting low-impedance capacitors to run inspections with the board may produce stress on the IC. Therefore, be certain to use proper discharge procedure before each process of the test operation. To prevent electrostatic accumulation and discharge in the assembly process, thoroughly ground yourself and any equipment that could sustain ESD damage, and continue observing ESD-prevention procedures in all handing, transfer and storage operations. Before attempting to connect components to the test setup, make certain that the power supply is OFF. Likewise, be sure the power supply is OFF before removing any component connected to the test setup. 18. When the power supply, is turned on because of in certain cases, momentary Rash-current flow into the IC at the logic unsettled, the couple capacitance, GND pattern of width and leading line must be considered.
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9/11
2009.11 - Rev.C
BU42G series, BU42F series, BU42FVE series, BU43G series, BU43F series, BU43FVE series Part Number Selection
Technical Note
B
U
4
2
0
9
G
T
R
BU42: Adjustable Delay Time CMOS Reset IC Open Drain Type Output Type BU43: Adjustable Delay Time CMOS Reset IC CMOS Output Type
Detection voltage 09 : 0.9V (0.1V step) 48 : 4.8V
Package G: SSOP5 F: SOP4 FVE: VSOF5
Taping Specifications TR: Embossed tape and reel
SSOP5
2.90.2
5 4
+6 4 -4

Tape Quantity Direction of feed Embossed carrier tape 3000pcs TR
The direction is the 1pin of product is at the upper right when you hold
+0.2 1.6 -0.1
2.80.2
1
2
3
0.2Min.
( reel on the left hand and you pull out the tape on the right hand
1pin
)
+0.05 0.13 -0.03
1.25Max.
1.10.05
0.050.05
+0.05 0.42 -0.04 0.95 0.1
Direction of feed
(Unit : mm)
Reel
Order quantity needs to be multiple of the minimum quantity.
SOP4

+0.2 1.25 -0.1
2.00.2 1.3
4 3
+6 4 -4
Tape Quantity
0.270.15
Embossed carrier tape 3000pcs TR
The direction is the 1pin of product is at the upper right when you hold
2.10.2
Direction of feed
( reel on the left hand and you pull out the tape on the right hand
1pin
)
0.90.05
1
2
0.05
+0.05 0.13 -0.03 S
1.05Max.
0.050.05
+0.05 0.42 -0.04 0.1 +0.05 0.32 -0.04 S
Direction of feed
(Unit : mm)
Reel
Order quantity needs to be multiple of the minimum quantity.
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10/11
2009.11 - Rev.C
BU42G series, BU42F series, BU42FVE series, BU43G series, BU43F series, BU43FVE series
Technical Note
VSOF5
0.2MAX
1.60.05 1.00.05
5 4

Tape Quantity Direction of feed Embossed carrier tape 3000pcs TR
The direction is the 1pin of product is at the upper right when you hold
(MAX 1.28 include BURR)
1.6 0.05
1.2 0.05
( reel on the left hand and you pull out the tape on the right hand
1pin
)
1
2
3
0.130.05
0.6MAX
0.5
0.220.05
Direction of feed
(Unit : mm)
Reel
Order quantity needs to be multiple of the minimum quantity.
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11/11
2009.11 - Rev.C
Notice
Notes
No copying or reproduction of this document, in part or in whole, is permitted without the consent of ROHM Co.,Ltd. The content specified herein is subject to change for improvement without notice. The content specified herein is for the purpose of introducing ROHM's products (hereinafter "Products"). If you wish to use any such Product, please be sure to refer to the specifications, which can be obtained from ROHM upon request. Examples of application circuits, circuit constants and any other information contained herein illustrate the standard usage and operations of the Products. The peripheral conditions must be taken into account when designing circuits for mass production. Great care was taken in ensuring the accuracy of the information specified in this document. However, should you incur any damage arising from any inaccuracy or misprint of such information, ROHM shall bear no responsibility for such damage. The technical information specified herein is intended only to show the typical functions of and examples of application circuits for the Products. ROHM does not grant you, explicitly or implicitly, any license to use or exercise intellectual property or other rights held by ROHM and other parties. ROHM shall bear no responsibility whatsoever for any dispute arising from the use of such technical information. The Products specified in this document are intended to be used with general-use electronic equipment or devices (such as audio visual equipment, office-automation equipment, communication devices, electronic appliances and amusement devices). The Products specified in this document are not designed to be radiation tolerant. While ROHM always makes efforts to enhance the quality and reliability of its Products, a Product may fail or malfunction for a variety of reasons. Please be sure to implement in your equipment using the Products safety measures to guard against the possibility of physical injury, fire or any other damage caused in the event of the failure of any Product, such as derating, redundancy, fire control and fail-safe designs. ROHM shall bear no responsibility whatsoever for your use of any Product outside of the prescribed scope or not in accordance with the instruction manual. The Products are not designed or manufactured to be used with any equipment, device or system which requires an extremely high level of reliability the failure or malfunction of which may result in a direct threat to human life or create a risk of human injury (such as a medical instrument, transportation equipment, aerospace machinery, nuclear-reactor controller, fuel-controller or other safety device). ROHM shall bear no responsibility in any way for use of any of the Products for the above special purposes. If a Product is intended to be used for any such special purpose, please contact a ROHM sales representative before purchasing. If you intend to export or ship overseas any Product or technology specified herein that may be controlled under the Foreign Exchange and the Foreign Trade Law, you will be required to obtain a license or permit under the Law.
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