PI74FCT157TW 데이터 시트보기 (PDF) - Pericom Semiconductor
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PI74FCT157TW Datasheet PDF : 5 Pages
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PI74FCT157T/257T
(25Ω Series)PI74FCT2157T/2257T
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Product Pin Description
Pin Name
I0A-I0D
I1A-I1D
E
OE
S
ZA-ZD
GND
VCC
Description
Source 0 Data Inputs
Source 1 Data Inputs
Enable Input (Active LOW) FCT157/2157
Output Enable (Active LOW) FCT257/2257
Select Input
Outputs
Ground
Power
Truth Table(1)
Inputs
E/OE S
I0 I1
HX
XX
LH
XL
LH
XH
L
L
LX
L
L
HX
NOTE:
1. H = High Voltage Level
X = Don't Care
L = Low Voltage Level
Z = High Impedance
Outputs ZN
157/2157 257/2257
L
Z
L
L
H
H
L
L
H
H
PI74FCT157/2157T Product Pin Configuration
S1
16 Vcc
I0A 2
15 E
I1A 3 16-PIN 14 I0C
ZA 4 Q16 13 I1C
I0B 5 S16 12 ZC
I1B 6 W16 11 I0D
ZB 7
10 I1D
GND 8
9 ZD
PI74FCT257/2257T Product Pin Configuration
S1
16 Vcc
I0A 2
15 OE
I1A 3 16-PIN 14 I0C
ZA 4 Q16 13 I1C
I0B 5 S16 12 ZC
I1B
6
W16
11
I0D
ZB 7
10 I1D
GND 8
9 ZD
2
PS2010A 03/09/96
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