参数资料
型号: M74HC374TTR
厂商: STMICROELECTRONICS
元件分类: 总线收发器
英文描述: HC/UH SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20
封装: TSSOP-20
文件页数: 4/11页
文件大小: 241K
代理商: M74HC374TTR
M74HC374
2/11
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
TRUTH TABLE
X: Don’t Care
Z: High Impedance
LOGIC DIAGRAM
This logic diagram has not be used to estimate propagation delays
PIN No
SYMBOL
NAME AND FUNCTION
1OE
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
CK
Clock Input (LOW to
HIGH, edge triggered)
10
GND
Ground (0V)
20
VCC
Positive Supply Voltage
INPUTS
OUTPUT
OE
CK
D
Q
H
XXZ
L
X
NO CHANGE
LL
L
LH
H
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