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PDF ( 数据手册 , 数据表 ) M74HCT74

零件编号 M74HCT74
描述 DUAL D TYPE FLIP FLOP WITH PRESET AND CLEAR
制造商 ST Microelectronics
LOGO ST Microelectronics LOGO 


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M74HCT74 数据手册, 描述, 功能
M54HCT74
M74HCT74
DUAL D TYPE FLIP FLOP WITH PRESET AND CLEAR
. HIGH SPEED
fMAX = 53 MHz (TYP.) AT VCC = 5 V
. LOW POWER DISSIPATION
ICC = 2 µA (MAX.) AT TA = 25 °C
. COMPATIBLE WITH TTL OUTPUTS
VIH = 2V (MIN.) VIL = 0.8V (MAX)
. OUTPUT DRIVE CAPABILITY
10 LSTTL LOADS
. SYMMETRICAL OUTPUT IMPEDANCE
IOH= IOL = 4 mA (MIN.)
. BALANCED PROPAGATION DELAYS
tPLH = tPHL
. PIN AND FUNCTION COMPATIBLE
WITH 54/74LS74
B1R
(Plastic Package)
F1R
(Ceramic Package)
M 1R
(Micro Package)
C1R
(Chip Carrier)
DESCRIPTION
The M54/74HCT74 is a high speed CMOS DUAL D
TYPE FLOP WITH PRESET AND CLEAR fabri-
cated in silicon gate C2MOS 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. This integrated circuit has input and output
characteristics that are fully compatible with 54/74
LSTTL logic families. M54/74HCT devices are de-
signed to directly interface HSC2MOS systems with
TTL and NMOS components. They are also plug in
replacements for LSTTL devices giving a reduction
of power consumption.
ORDER CODES :
M54HCT74F1R
M74HCT74M1R
M74HCT74B1R
M 74H CT 7 4C 1R
PIN CONNECTIONS (top view)
INPUT AND OUTPUT EQUIVALENT CIRCUIT
February 1993
NC =
No Internal
Connection
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M74HCT74 pdf, 数据表
M54/M74HCT74
DIM.
A
B
D
E
e3
F
G
H
L
M
N
P
Q
Ceramic DIP14/1 MECHANICAL DATA
MIN.
0.38
2.29
0.4
1.17
0.22
1.52
7.8
mm
TYP.
3.3
15.24
MAX.
20
7.0
2.79
0.55
1.52
0.31
2.54
10.3
8.05
5.08
MIN.
0.015
0.090
0.016
0.046
0.009
0.060
0.307
inch
TYP.
0.130
0.600
MAX.
0.787
0.276
0.110
0.022
0.060
0.012
0.100
0.406
0.317
0.200
P053C
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