參數(shù)資料
型號: M74HC373B1R
廠商: STMICROELECTRONICS
元件分類: 總線收發(fā)器
英文描述: HC/UH SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDIP20
封裝: PLASTIC, DIP-20
文件頁數(shù): 4/11頁
文件大小: 239K
代理商: M74HC373B1R
M74HC373
2/11
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
TRUTH TABLE
X: Don’t Care
Z: High Impedance
(*): Q Outputs are latched at the time when the LE input is taken low logic level.
LOGIC DIAGRAM
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
LE
Latch Enable Input
10
GND
Ground (0V)
20
VCC
Positive Supply Voltage
INPUTS
OUTPUTS
OE
LE
D
Q
H
XXZ
L
X
NO CHANGE (*)
LHL
L
LH
H
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