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74ACT374 数据表(PDF) 2 Page - STMicroelectronics

部件名 74ACT374
功能描述  OCTAL D-TYPE FLIP FLOP WITH 3 STATE OUTPUT NON INVERTING
PDF  10 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

74ACT374 数据表(HTML) 2 Page - STMicroelectronics

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INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PI N No
SYMBOL
NAME AND F UNCTIO N
1
OE
3 State Output Enable
Input (Active LOW)
2, 5, 6, 9,
12, 15, 16,
19
Q0 to Q7
3 State Outputs
3, 4, 7, 8,
13, 14, 17,
18
D0 to D7
Data Inputs
11
CLOCK
Clock Input (LOW to
HIGH, edge triggered)
10
GND
Ground (0V)
20
VCC
Positive Supply Voltage
TRUTH TABLE
INPUTS
OUTPUT S
OE
CK
D
Q
HX
X
Z
L
X
NO CHANGE
LL
L
LH
H
X: DON’T CARE
Z: HIGH IMPEDANCE
LOGIC DIAGRAMS
74ACT374
2/10



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