參數(shù)資料
型號: 74HC244
廠商: NXP Semiconductors N.V.
英文描述: Octal buffer/line driver; 3-state
中文描述: 八路緩沖器/線路驅動器,3態(tài)
文件頁數(shù): 3/7頁
文件大小: 39K
代理商: 74HC244
December 1990
3
Philips Semiconductors
Product specification
Octal buffer/line driver; 3-state
74HC/HCT244
PIN DESCRIPTION
PIN NO.
SYMBOL
NAME AND FUNCTION
1
2, 4, 6, 8
3, 5, 7, 9
10
17, 15, 13, 11
18, 16, 14, 12
19
20
1OE
1A
0
to 1A
3
2Y
0
to 2Y
3
GND
2A
0
to 2A
3
1Y
0
to 1Y
3
2OE
V
CC
output enable input (active LOW)
data inputs
bus outputs
ground (0 V)
data inputs
bus outputs
output enable input (active LOW)
positive supply voltage
Fig.1 Pin configuration.
Fig.2 Logic symbol.
Fig.3 IEC logic symbol.
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