參數(shù)資料
型號: 74HCT540
廠商: NXP Semiconductors N.V.
元件分類: 通用總線功能
英文描述: 4-Bit Synchronous Up/Down Binary Counters 16-SO -40 to 85
中文描述: 八路緩沖器/線路驅動器,3態(tài);反相
文件頁數(shù): 3/7頁
文件大?。?/td> 51K
代理商: 74HCT540
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.
相關PDF資料
PDF描述
74HC540 Octal buffer/line driver; 3-state; inverting
74HCT541 Octal buffer/line driver; 3-state
74HC541 Octal buffer/line driver; 3-state
74HC541 Octal Buffers/Line Drivers (with 3-state outputs)
74HC541 High Speed CMOS Logic Octal Buffer and Line Drivers, Three-State
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