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参数资料
| 型号： | M54HCT74 |
| 厂商： | 意法半导体 |
| 英文描述： | Low-Voltage Adjustable Precision Shunt Regulator 6-SC70 0 to 70 |
| 中文描述： | 双D型触发器与预置和清除 |
| 文件页数： | 1/11页 |
| 文件大小： | 249K |
| 代理商： | M54HCT74 |
M54HCT74
M74HCT74
February 1993
DUAL D TYPE FLIP FLOP WITH PRESET AND CLEAR
.
HIGH SPEED
f
MAX
= 53 MHz (TYP.) AT V
CC
= 5 V
.
LOWPOWER DISSIPATION
I
CC
= 2
μ
A(MAX.) AT T
A
= 25
°
C
.
COMPATIBLE WITHTTL OUTPUTS
V
IH
= 2V (MIN.) V
IL
= 0.8V (MAX)
.
OUTPUT DRIVE CAPABILITY
10 LSTTL LOADS
.
SYMMETRICAL OUTPUT IMPEDANCE
I
OH
= I
OL
= 4 mA (MIN.)
.
BALANCEDPROPAGATION DELAYS
t
PLH
= t
PHL
.
PIN ANDFUNCTION COMPATIBLE
WITH 54/74LS74
B1R
(Plastic Package)
ORDER CODES :
M54HCT74F1R
M74HCT74B1R
M74HCT74M1R
M74HCT74C1R
F1R
(CeramicPackage)
M1R
(MicroPackage)
C1R
(Chip Carrier)
PIN CONNECTIONS
(top view)
NC =
No Internal
Connection
INPUT AND OUTPUT EQUIVALENT CIRCUIT
The M54/74HCT74 is a high speed CMOS DUALD
TYPE FLOP WITH PRESET AND CLEAR fabri-
cated in silicon gate C
2
MOS technology. It has the
same high speed performance of LSTTL combined
withtrueCMOSlowpower consumption. Asignal on
the DINPUT istransferred to the QOUTPUTduring
the positive going transition of the clock pulse.
CLEARand PRESET are independent of the clock
and accomplished by alowontheappropriate 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-
signedto directly interface HSC
2
MOS systems with
TTL and NMOScomponents. They are also plug in
replacements for LSTTL devices giving a reduction
of power consumption.
DESCRIPTION
1/11
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