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M74HC74B1R Datasheet(PDF) 1 Page - STMicroelectronics

Part # M74HC74B1R
Description  DUAL D TYPE FLIP FLOP WITH PRESET AND CLEAR
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M74HC74B1R Datasheet(HTML) 1 Page - STMicroelectronics

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M54HC74
M74HC74
October 1992
DUAL D TYPE FLIP FLOP WITH PRESET AND CLEAR
B1R
(Plastic Package)
ORDER CODES :
M54HC74F1R
M74HC74M1R
M74HC74B1R
M74HC74C1R
F1R
(Ceramic Package)
M1R
(Micro Package)
C1R
(Chip Carrier)
PIN CONNECTIONS (top view)
NC =
No Internal
Connection
INPUT AND OUTPUT EQUIVALENT CIRCUIT
.
HIGH SPEED
fMAX = 71 MHz (TYP.) AT VCC =5 V
.
LOW POWER DISSIPATION
ICC =2
µA (MAX.) AT TA =25 °C
.
HIGH NOISE IMMUNITY
VNIH =VNIL =28 % VCC (MIN.)
.
OUTPUT DRIVE CAPABILITY
10 LSTTL LOADS
.
SYMMETRICAL OUTPUT IMPEDANCE
IOH =IOL = 4 mA (MIN.)
.
BALANCED PROPAGATION DELAYS
tPLH =tPHL
.
WIDE OPERATING VOLTAGE RANGE
VCC (OPR) = 2 V TO 6 V
.
PIN AND FUNCTION COMPATIBLE
WITH 54/74LS74
The M54/74HC74 is a high speed CMOS DUAL D
TYPE FLOP WITH PRESET AND CLEAR fabri-
cated in silicon gate C
2MOS technology. It has the
same high speed performance of LSTTL combined
with true CMOS low power consumption. A signal on
the D INPUT is transferred to the Q OUTPUT during
the positive going transition of the clock pulse.
CLEAR and PRESET are independent of the clock
and accomplished by a low on the appropriate input.
All inputs are equipped with protection circuits
against static discharge and transient excess volt-
age.
DESCRIPTION
1/11


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