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3.3V CMOS 10-BIT BUFFERS
Integrated Device Technology, Inc.
IDT54/74FCT3827A/B
FEATURES:
* 0.5 MICRON CMOS Technology * ESD > 2000V per MIL-STD-883, Method 3015; > 200V using machine model (C = 200pF, R = 0) * 25 mil Center SSOP Packages * Extended commercial range of -40C to +85C * VCC = 3.3V 0.3V, Normal Range or VCC = 2.7V to 3.6V, Extended Range * CMOS power levels (0.4W typ. static) * Rail-to-Rail output swing for increased noise margin * Military product compliant to MIL-STD-883, Class B
DESCRIPTION:
The FCT3827A/B 10-bit bus drivers are built using an advanced dual metal CMOS technology. These high speed, low power buffers are ideal for high-performance bus interface buffering for wide data/address paths or buses carrying parity. The 10-bit buffers have NAND-ed output enables for maximum control flexibility. All of the FCT3827 high performance interface components are designed for high-capacitance load drive capability, while providing low-capacitance bus loading at both inputs and outputs.
FUNCTIONAL BLOCK DIAGRAM
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
Y9
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
OE1 OE2
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The IDT logo is a registered trademark of Integrated Device Technology, Inc.
MILITARY AND COMMERCIAL TEMPERATURE RANGES
(c)1995 Integrated Device Technology, Inc.
AUGUST 1995
DSC-4651/-
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IDT54/74FCT3827A/B 3.3V CMOS OCTAL BUFFERS
MILITARY AND COMMERCIAL TEMPERATURE RANGES
PIN CONFIGURATIONS
OE1 D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 GND 1 2 3 4 P24-1 5 D24-1 6 SO24-2 7 SO24-7 & 8 9 SO24-8 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 VCC Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y8 Y9 OE2
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PIN DESCRIPTION
Names
I/O
OEI
DI YI
I
I O
Description When both are LOW the outputs are enabled. When either one or both are HIGH the outputs are High Z. 10-bit data input. 10-bit data output.
3092 tbl 01
FUNCTION TABLE(1)
Inputs Output DI L H X X YI L H Z Z Function Transparent Three-State
3092 tbl 02
DIP/SOIC/SSOP/QSOP TOP VIEW
OE OE1
L L H X
OE OE2
L L X H
ABSOLUTE MAXIMUM RATINGS(1)
Symbol Rating Commercial Military VTERM(2) Terminal Voltage -0.5 to +4.6 -0.5 to +4.6 with Respect to GND (3) Terminal Voltage VTERM -0.5 to +7.0 -0.5 to +7.0 with Respect to GND (4) Terminal Voltage -0.5 to VTERM -0.5 to with Respect to VCC + 0.5 VCC + 0.5 GND TA Operating -40 to +85 -55 to +125 Temperature TBIAS Temperature -55 to +125 -65 to +135 Under Bias TSTG Storage -55 to +125 -65 to +150 Temperature PT Power Dissipation 1.0 1.0 IOUT DC Output Current -60 to +60 -60 to +60 Unit V
NOTE: 1. H = HIGH Voltage Level X = Don't Care L = LOW Voltage Level Z = High Impedance
V
V C C C W mA
CAPACITANCE (TA = +25C, f = 1.0MHz)
Symbol Parameter(1) CIN Input Capacitance COUT Output Capacitance Conditions VIN = 0V VOUT = 0V Typ. 3.5 4.0 Max. Unit 6.0 pF 8.0
pF
3092 lnk 03 NOTES: 1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. 2. Vcc terminals. 3. Input terminals. 4. Output and I/O terminals.
3092 lnk 04 NOTE: 1. This parameter is measured at characterization but not tested.
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IDT54/74FCT3827A/B 3.3V CMOS OCTAL BUFFERS
MILITARY AND COMMERCIAL TEMPERATURE RANGES
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE
Following Conditions Apply Unless Otherwise Specified: Commercial: TA = -40C to +85C, VCC = 2.7V to 3.6V; Military: TA = -55C to +125C, VCC = 2.7V to 3.6V
Symbol VIH VIL II H II L IOZH IOZL VIK IODH IODL VOH Parameter Input HIGH Level (Input pins) Input HIGH Level (I/O pins) Input LOW Level (Input and I/O pins) Input HIGH Current (Input pins)(6) Input HIGH Current (I/O pins)(6) Input LOW Current (Input pins)(6) VCC = Max. Input LOW Current (I/O pins)(6) High Impedance Output Current (3-State Output pins) (6) Clamp Diode Voltage Output HIGH Current Output LOW Current Output HIGH Voltage VCC = Max. VI = 5.5V VI = VCC VI = GND VI = GND VO = VCC VO = GND VCC = Min., IIN = -18mA VCC = 3.3V, VIN = VIH or VIL, VO = 1.5V(3) VCC = 3.3V, VIN = VIH or VIL, VO = 1.5V(3) VCC = Min. VIN = VIH or VIL VCC = 3.0V VIN = VIH or VIL VCC = Min. VIN = VIH or VIL IOH = -0.1mA IOH = -3mA IOH = -6mA MIL. IOH = -8mA COM'L. IOL = 0.1mA IOL = 16mA IOL = 24mA VCC = 3.0V IOL = 24mA VIN = VIH or VIL VCC = Max., VO = GND(3)
--
Test Conditions(1) Guaranteed Logic HIGH Level Guaranteed Logic LOW Level
Min. 2.0 2.0 -0.5 -- -- -- -- -- -- -- -36 50 VCC-0.2 2.4 2.4 (5) -- -- -- -- -60 -- -- --
Typ.(2) -- --
--
Max. 5.5 VCC+0.5 0.8 1 1 1 1 1 1
-1.2
Unit V V A
-- -- -- -- -- -- -0.7
A V mA mA V
-60 90 -- 3.0 3.0 -- 0.2 0.3 0.3
-135
-110 200 -- -- -- 0.2 0.4 0.55 0.50 -240
--
VOL
Output LOW Voltage
V
IOS VH ICCL ICCH ICCZ
Short Circuit Current(4) Input Hysteresis Quiescent Power Supply Current
mA mV A
150 0.1 0.1
VCC = Max., VIN = GND or VCC
COM'L. MIL.
10 100
NOTES: 1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device type. 2. Typical values are at Vcc = 3.3V, +25C ambient. 3. Not more than one output should be tested at one time. Duration of the test should not exceed one second. 4. This parameter is guaranteed but not tested. 5. VOH = VCC -0.6V at rated current. 6. The test limits for this parameter is 5A at TA = -55C.
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IDT54/74FCT3827A/B 3.3V CMOS OCTAL BUFFERS
MILITARY AND COMMERCIAL TEMPERATURE RANGES
POWER SUPPLY CHARACTERISTICS
Symbol ICC ICCD Parameter Quiescent Power Supply Current Dynamic Power Supply Current (4) VCC = Max. Test Conditions(1) VIN = VCC -0.6V(3) VIN = VCC VIN = GND Min. -- -- Typ.(2) 2.0 60 Max. 30 85 Unit A A/ MHz
VCC = Max. Outputs Open OE1 = OE2 = GND One Input Toggling 50% Duty Cycle VCC = Max. Outputs Open fi = 10MHz 50% Duty Cycle OE1 = OE2 = GND One Bit Toggling VCC = Max. Outputs Open fi = 2.5MHz 50% Duty Cycle OE1 = OE2 = GND Ten Bits Toggling
IC
Total Power Supply Current (6)
VIN = VCC VIN = GND VIN = VCC -0.6V VIN = GND VIN = VCC VIN = GND VIN = VCC -0.6V VIN = GND
--
0.6
0.9
mA
--
0.6
0.9
--
1.5
2.1 (5)
--
1.5
2.3 (5)
NOTES: 1. For conditions shown as max. or min., use appropriate value specified under Electrical Characteristics for the applicable device type. 2. Typical values are at VCC = 3.3V, +25C ambient. 3. Per TTL driven input; all other inputs at VCC or GND. 4. This parameter is not directly testable, but is derived for use in Total Power Supply Calculations. 5. Values for these conditions are examples of the ICC formula. These limits are guaranteed but not tested. 6. IC = IQUIESCENT + IINPUTS + IDYNAMIC IC = ICC + ICC DHNT + ICCD (fCPNCP/2 + fiNi) ICC = Quiescent Current (ICCL, ICCH and ICCZ) ICC = Power Supply Current for a TTL High Input DH = Duty Cycle for TTL Inputs High NT = Number of TTL Inputs at DH ICCD = Dynamic Current Caused by an Input Transition Pair (HLH or LHL) fCP = Clock Frequency for Register Devices (Zero for Non-Register Devices) NCP = Number of Clock Inputs at fCP fi = Input Frequency Ni = Number of Inputs at fi
3092 tbl 06
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IDT54/74FCT3827A/B 3.3V CMOS OCTAL BUFFERS
MILITARY AND COMMERCIAL TEMPERATURE RANGES
SWITCHING CHARACTERISTICS OVER OPERATING RANGE(3)
FCT3827A Com'l. Symbol Parameter Condition(1) Min.(2) Max. Mil. Min.(2) Max. Com'l. Min.(2) Max. FCT3827B Mil. Min.(2) Max. Unit
tPLH tPHL
Propagation Delay DI to YI
tPZH tPZL
Output Enable Time OEI to YI
tPHZ tPLZ
Output Disable Time OEI to YI
CL = 50pF RL = 500 CL = 300pF(3) RL = 500 CL = 50pF RL = 500 CL = 300pF(3) RL = 500 CL = 5pF(3) RL = 500 CL = 50pF RL = 500
1.5 1.5 1.5 1.5 1.5 1.5
8.0 15.0 12.0 23.0 9.0 10.0
1.5 1.5 1.5 1.5 1.5 1.5
9.0 17.0 13.0 25.0 9.0 10.0
1.5 1.5 1.5 1.5 1.5 1.5
5.0 13.0 8.0 15.0 6.0 7.0
1.5 1.5 1.5 1.5 1.5 1.5
6.5 14.0 9.0 16.0 7.0 8.0
ns
ns
ns
3092 tbl 07 NOTES: 1. See test circuit and waveforms. 2. Minimum limits are guaranteed but not tested on Propagation Delays. 3. Propagation Delays and Enable/Disable times are with VCC = 3.3V 0.3V, Normal Range. For VCC = 2.7V to 3.6V, Extended Range, all Propagation Delays and Enable/Disable times should be degraded by 20%.
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IDT54/74FCT3827A/B 3.3V CMOS OCTAL BUFFERS
MILITARY AND COMMERCIAL TEMPERATURE RANGES
TEST CIRCUITS AND WAVEFORMS TEST CIRCUITS FOR ALL OUTPUTS
6V V
CC
SWITCH POSITION
Open GND
500 V Pulse Generator R
T IN
V D.U.T.
OUT
Test Open Drain Disable Low Enable Low Disable High Enable High All Other tests
Switch 6V
50pF C
L
500
SET-UP, HOLD AND RELEASE TIMES
DATA INPUT TIMING INPUT ASYNCHRONOUS CONTROL PRESET CLEAR ETC. SYNCHRONOUS CONTROL PRESET CLEAR CLOCK ENABLE ETC. tSU
tH
tREM
tSU
tH
PROPAGATION DELAY
SAME PHASE INPUT TRANSITION tPLH OUTPUT tPLH OPPOSITE PHASE INPUT TRANSITION tPHL tPHL 3V 1.5V 0V VOH 1.5V VOL 3V 1.5V 0V
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GND Open
3092 lnk 08 DEFINITIONS: CL= Load capacitance: includes jig and probe capacitance. RT = Termination resistance: should be equal to ZOUT of the Pulse Generator.
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PULSE WIDTH
3V 1.5V 0V 3V 1.5V 0V 3V 1.5V 0V 3V 1.5V 0V
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LOW-HIGH-LOW PULSE tW HIGH-LOW-HIGH PULSE
1.5V
1.5V
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ENABLE AND DISABLE TIMES
ENABLE CONTROL INPUT tPZL OUTPUT NORMALLY LOW OUTPUT NORMALLY HIGH SWITCH 6V tPZH SWITCH GND 1.5V 0V 3V 1.5V tPHZ 0.3V VOH 0V
3092 drw 07
DISABLE 3V 1.5V tPLZ 0V 3V 0.3V VOL
NOTES: 1. Diagram shown for input Control Enable-LOW and input Control DisableHIGH. 2. Pulse Generator for All Pulses: Rate 1.0MHz; tF 2.5ns; tR 2.5ns. 3. If VCC is below 3V, input voltage swings should be adjusted not to exceed VCC.
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IDT54/74FCT3827A/B 3.3V CMOS OCTAL BUFFERS
MILITARY AND COMMERCIAL TEMPERATURE RANGES
ORDERING INFORMATION
IDT XX Temp. Range FCT X Family XX Device Type X Package X Process Blank B P D SO PY Q 827A 827B 3 Commercial MIL-STD-883, Class B Plastic DIP (P24-1) CERDIP (D24-1) Small Outline IC (SO24-2) Shrink Small Outline Package (SO24-7) Quarter-size Small Outline Package (SO24-8) Non-Inverting 10-Bit Buffer Inverting 10-Bit Buffer 3.3 Volt
54 74
-55C to +125C -40C to +85C
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