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參數(shù)資料
| 型號： | 935265467112 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 編、解碼器及復(fù)用、解復(fù)用 |
| 英文描述： | AHC SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16 |
| 封裝： | 3.90 MM, PLASTIC, MS-012, SOT-109-1, SO-16 |
| 文件頁數(shù)： | 14/20頁 |
| 文件大?。?/td> | 89K |
| 代理商： | 935265467112 |
2000 Apr 03
3
Philips Semiconductors
Product specication
Quad 2-input multiplexer; 3-state
74AHC257;
74AHCT257
FUNCTION TABLE
See note 1.
Note
1. H = HIGH voltage level;
L = LOW voltage level;
X = don’t care;
Z = high impedance OFF-state.
ORDERING INFORMATION
PINNING
INPUT
OUTPUT
OE
S
nI0
nI1
nY
H
XXX
Z
LH
X
L
HXH
H
LLL
X
L
HXH
TYPE NUMBER
PACKAGES
TEMPERATURE
RANGE
PINS
PACKAGE
MATERIAL
CODE
74AHC257D
40 to +125 °C
16
SO
plastic
SOT109-1
74AHC257PW
16
TSSOP
plastic
SOT403-1
74AHCT257D
16
SO
plastic
SOT109-1
74AHCT257PW
16
TSSOP
plastic
SOT403-1
PIN
SYMBOL
DESCRIPTION
1
S
common data select input
2, 5, 11 and 14
1I0 to 4I0
data inputs from source 0
3, 6, 10 and 13
1I1 to 4I1
data inputs from source 1
4, 7, 9 and 12
1Y to 4Y
multiplexer outputs
8
GND
ground (0 V)
15
OE
output enable input (active LOW)
16
VCC
DC supply voltage
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