74AC373_97 查看數據表（PDF） - STMicroelectronics
零件编号
产品描述 (功能)
生产厂家
74AC373_97 Datasheet PDF : 10 Pages
| |||
74AC373
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PIN No
1
2, 5, 6,
9, 12, 15,
16, 19
3, 4, 7,
8, 13, 14,
17, 18
11
10
20
SYMBOL
OE
Q0 to Q7
NAME AND FUNCTION
3 State Output Enable
Input (Active LOW)
Data Inputs
D0 to D7 3 State Outputs
LE
GND
VCC
Latch Enable
Input
Ground (0V)
Positive Supply Voltage
TRUTH TABLE
IN PUT S
OE
LE
D
H
X
X
L
L
X
L
H
L
L
H
H
X: DON’T CARE
Z: HIGH IMPEDANCE
*: Q OUTPUTS ARE LATCHED AT THE TIME WHEN THE INPUT IS TAKEN LOW LOGIC LEVEL.
OUTPUTS
Q
Z
NO CHANGE
L
H
LOGIC DIAGRAMS
2/10
Share Link: 