參數(shù)資料
型號: HCT540
廠商: NXP Semiconductors N.V.
英文描述: Octal buffer/line driver; 3-state; inverting
中文描述: 八路緩沖器/線路驅(qū)動器,3態(tài);反相
文件頁數(shù): 3/7頁
文件大小: 51K
代理商: HCT540
December 1990
3
Philips Semiconductors
Product specification
Octal buffer/line driver; 3-state; inverting
74HC/HCT540
PIN DESCRIPTION
PIN NO.
SYMBOL
NAME AND FUNCTION
1, 19
2, 3, 4, 5, 6, 7, 8, 9
10
18, 17, 16, 15, 14, 13, 12, 11
20
OE
1
, OE
2
A
0
to A
7
GND
Y
0
to Y
7
V
CC
output enable input (active LOW)
data inputs
ground (0 V)
bus outputs
positive supply voltage
Fig.1 Pin configuration.
Fig.2 Logic symbol.
Fig.3 IEC logic symbol.
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