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參數(shù)資料
| 型號： | 933756990652 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | HC/UH SERIES, QUAD 1-BIT DRIVER, TRUE OUTPUT, PDSO14 |
| 封裝： | PLASTIC, SO-14 |
| 文件頁數(shù)： | 3/6頁 |
| 文件大小： | 41K |
| 代理商： | 933756990652 |
December 1990
3
Philips Semiconductors
Product specication
Quad buffer/line driver; 3-state
74HC/HCT125
PIN DESCRIPTION
PIN NO.
SYMBOL
NAME AND FUNCTION
1, 4, 10, 13
1OE to 4OE
outputs enable inputs (active LOW)
2, 5, 9, 12
1A to 4A
data inputs
3, 6, 8, 11
1Y to 4Y
data outputs
7
GND
ground (0 V)
14
VCC
positive supply voltage
Fig.1 Pin configuration.
Fig.2 Logic symbol.
Fig.3 IEC logic symbol.
(a)
(b)
Fig.4 Functional diagram.
Fig.5 Logic diagram (one buffer).
FUNCTION TABLE
Note
1. H = HIGH voltage level
L = LOW voltage level
X = don’t care
Z = high impedance OFF-state
INPUTS
OUTPUT
nOE
nA
nY
L
H
L
H
X
L
H
Z
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