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M74HC374
OCTAL D-TYPE FLIP FLOP WITH 3 STATE OUTPUT NON INVERTING
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HIGH SPEED: fMAX = 90MHz (TYP.) at VCC = 6V LOW POWER DISSIPATION: ICC = 4A(MAX.) at TA=25C HIGH NOISE IMMUNITY: VNIH = V NIL = 28 % VCC (MIN.) SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 6mA (MIN) BALANCED PROPAGATION DELAYS: tPLH tPHL WIDE OPERATING VOLTAGE RANGE: VCC (OPR) = 2V to 6V PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 374
DIP
SOP
TSSOP
ORDER CODES
PACKAGE DIP SOP TSSOP TUBE M74HC374B1R M74HC374M1R T&R M74HC374RM13TR M74HC374TTR
DESCRIPTION The M74HC374 is an high speed CMOS OCTAL D-TYPE FLIP FLOP WITH 3-STATE OUTPUTS NON INVERTING fabricated with sub-micron silicon gate C2MOS technology. This 8 bit D-TYPE FLIP FLOP is controlled by a clock input (CK) and an output enable input (OE). On the positive transition of the clock, the Q outputs will be set to the logic state that were setup at the D inputs. While the OE input is at low level, the eight outputs will be in a normal logic state (high or low logic
level) and while OE is high the outputs will be in a high impedance state. The output control does not affect the internal operation of flip-flops; that is, the old data can be retained or the new data can be entered even while the outputs are off. All inputs are equipped with protection circuits against static discharge and transient excess voltage.
PIN CONNECTION AND IEC LOGIC SYMBOLS
July 2001
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M74HC374
INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION
PIN No 1 2, 5, 6, 9, 12, 15, 16, 19 3, 4, 7, 8, 13, 14, 17, 18 11 10 20 SYMBOL OE Q0 to Q7 D0 to D7 CK GND VCC NAME AND FUNCTION 3 State Output Enable Input (Active LOW) 3 State Outputs Data Inputs Clock Input (LOW to HIGH, edge triggered) Ground (0V) Positive Supply Voltage
TRUTH TABLE
INPUTS OE H L L L
X: Don't Care Z: High Impedance
OUTPUT D X X L H Q Z NO CHANGE L H
CK X
LOGIC DIAGRAM
This logic diagram has not be used to estimate propagation delays
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M74HC374
ABSOLUTE MAXIMUM RATINGS
Symbol VCC VI VO IIK IOK IO PD Tstg TL Supply Voltage DC Input Voltage DC Output Voltage DC Input Diode Current DC Output Diode Current DC Output Current Power Dissipation Storage Temperature Lead Temperature (10 sec) Parameter Value -0.5 to +7 -0.5 to VCC + 0.5 -0.5 to VCC + 0.5 20 20 35 70 500(*) -65 to +150 300 Unit V V V mA mA mA mA mW C C
ICC or IGND DC VCC or Ground Current
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is not implied (*) 500mW at 65 C; derate to 300mW by 10mW/C from 65C to 85C
RECOMMENDED OPERATING CONDITIONS
Symbol VCC VI VO Top tr, tf Supply Voltage Input Voltage Output Voltage Operating Temperature Input Rise and Fall Time VCC = 2.0V VCC = 4.5V VCC = 6.0V Parameter Value 2 to 6 0 to VCC 0 to VCC -55 to 125 0 to 1000 0 to 500 0 to 400 Unit V V V C ns ns ns
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M74HC374
DC SPECIFICATIONS
Test Condition Symbol Parameter VCC (V) 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 4.5 6.0 VOL Low Level Output Voltage 2.0 4.5 6.0 4.5 6.0 II IOZ Input Leakage Current High Impedance Output Leakage Current Quiescent Supply Current 6.0 6.0 6.0 IO=-20 A IO=-20 A IO=-20 A IO=-6.0 mA IO=-7.8 mA IO=20 A IO=20 A IO=20 A IO=6.0 mA IO=7.8 mA VI = VCC or GND VI = VIH or VIL VO = VCC or GND VI = VCC or GND TA = 25C Min. 1.5 3.15 4.2 0.5 1.35 1.8 1.9 4.4 5.9 4.18 5.68 2.0 4.5 6.0 4.31 5.8 0.0 0.0 0.0 0.17 0.18 0.1 0.1 0.1 0.26 0.26 0.1 0.5 4 1.9 4.4 5.9 4.13 5.63 0.1 0.1 0.1 0.33 0.33 1 5 40 Typ. Max. Value -40 to 85C Min. 1.5 3.15 4.2 0.5 1.35 1.8 1.9 4.4 5.9 4.10 5.60 0.1 0.1 0.1 0.40 0.40 1 10 80 A A A V V Max. -55 to 125C Min. 1.5 3.15 4.2 0.5 1.35 1.8 Max. V Unit
VIH
High Level Input Voltage Low Level Input Voltage High Level Output Voltage
VIL
V
VOH
ICC
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M74HC374
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6ns)
Test Condition Symbol Parameter VCC (V) 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 CL (pF) TA = 25C Min. Typ. 25 7 6 45 15 13 60 20 17 39 13 11 54 18 15 30 14 13 18 75 90 15 6 6 25 6 4 Max. 60 12 10 140 28 24 190 38 32 135 27 23 185 37 31 125 25 21 5 25 30 75 15 13 75 15 13 0 0 0 95 19 16 95 19 16 0 0 0 Value -40 to 85C Min. Max. 75 15 13 175 35 30 240 48 41 170 34 29 230 46 39 155 31 26 4.2 21 25 110 22 19 110 22 19 0 0 0 -55 to 125C Min. Max. 90 18 15 210 42 36 285 57 48 205 41 35 280 56 48 190 38 32 ns Unit
tTLH tTHL Output Transition Time tPLH tPHL Propagation Delay Time (CLOCK - Q)
50
50
ns
150
ns
tPZL tPZH High Impedance Output Enable Time
50
RL = 1 K
ns
150
RL = 1 K
ns
tPLZ tPHZ High Impedance Output Disable Time fMAX Maximum Clock Frequency Minimum Pulse Width (CLOCK) Minimum Set-up Time Minimum Hold Time
50
RL = 1 K 6.2 31 37
ns
50
MHz
tW(L) tW(H) ts
50
ns
50
ns
th
50
ns
CAPACITIVE CHARACTERISTICS
Test Condition Symbol Parameter VCC (V) TA = 25C Min. Typ. 5 10 47 Max. 10 Value -40 to 85C Min. Max. 10 -55 to 125C Min. Max. 10 pF pF pF Unit
CIN COUT CPD
Input Capacitance Output Capacitance Power Dissipation Capacitance (note 1)
1) CPD is defined as the value of the IC's internal equivalent capacitance which is calculated from the operating current consumption without load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC/8 (per Flip Flop) and the CPD when n pcs of Flip Flop operate, can be gained by the following equation: CPD(TOTAL) = 30 + 17 x n (pF)
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M74HC374
TEST CIRCUIT
TEST tPLH, tPHL tPZL, tPLZ tPZH, tPHZ
CL = 50pF/150pF or equivalent (includes jig and probe capacitance) R1 = 1K or equivalent RT = ZOUT of pulse generator (typically 50)
SWITCH Open VCC GND
WAVEFORM 1: CK TO Qn PROPAGATION DELAYS, CK FMAX, Dn TO CK SETUP AND HOLD TIMES (f=1MHz; 50% duty cycle)
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M74HC374
WAVEFORM 2: OUTPUT ENABLE AND DISABLE TIMES (f=1MHz; 50% duty cycle)
WAVEFORM 3: MINIMUM PULSE WIDTH (CK) (f=1MHz; 50% duty cycle)
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M74HC374
Plastic DIP-20 (0.25) MECHANICAL DATA
mm. DIM. MIN. a1 B b b1 D E e e3 F I L Z 3.3 1.34 8.5 2.54 22.86 7.1 3.93 0.130 0.053 0.254 1.39 0.45 0.25 25.4 0.335 0.100 0.900 0.280 0.155 1.65 TYP MAX. MIN. 0.010 0.055 0.018 0.010 1.000 0.065 TYP. MAX. inch
P001J
8/11
M74HC374
SO-20 MECHANICAL DATA
mm. DIM. MIN. A a1 a2 b b1 C c1 D E e e3 F L M S 7.40 0.50 12.60 10.00 1.27 11.43 7.60 1.27 0.75 8 (max.) 0.291 0.020 13.00 10.65 0.35 0.23 0.5 45 (typ.) 0.496 0.393 0.050 0.450 0.300 0.050 0.029 0.512 0.419 0.1 TYP MAX. 2.65 0.2 2.45 0.49 0.32 0.014 0.009 0.020 0.004 MIN. TYP. MAX. 0.104 0.008 0.096 0.019 0.012 inch
PO13L
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M74HC374
TSSOP20 MECHANICAL DATA
mm. DIM. MIN. A A1 A2 b c D E E1 e K L 0 0.45 0.60 0.05 0.8 0.19 0.09 6.4 6.2 4.3 6.5 6.4 4.4 0.65 BSC 8 0.75 0 0.018 0.024 1 TYP MAX. 1.2 0.15 1.05 0.30 0.20 6.6 6.6 4.48 0.002 0.031 0.007 0.004 0.252 0.244 0.169 0.256 0.252 0.173 0.0256 BSC 8 0.030 0.004 0.039 MIN. TYP. MAX. 0.047 0.006 0.041 0.012 0.0089 0.260 0.260 0.176 inch
A
A2 A1 b e K c L E
D
E1
PIN 1 IDENTIFICATION
1
0087225C
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M74HC374
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. (c) The ST logo is a registered trademark of STMicroelectronics (c) 2000 STMicroelectronics - Printed in Italy - All Rights Reserved STMicroelectronics GROUP OF COMPANIES Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia - Malta - Morocco Singapore - Spain - Sweden - Switzerland - United Kingdom (c) http://www.st.com
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