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PI74FCT521 数据表(PDF) 2 Page - Pericom Semiconductor Corporation

部件名 PI74FCT521
功能描述  Fast CMOS 8-Bit Identity Comparator
PDF  4 Pages
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制造商  PERICOM [Pericom Semiconductor Corporation]
网页  http://www.pericom.com
标志 PERICOM - Pericom Semiconductor Corporation

PI74FCT521 数据表(HTML) 2 Page - Pericom Semiconductor Corporation

  PI74FCT521 Datasheet HTML 1Page - Pericom Semiconductor Corporation PI74FCT521 Datasheet HTML 2Page - Pericom Semiconductor Corporation PI74FCT521 Datasheet HTML 3Page - Pericom Semiconductor Corporation PI74FCT521 Datasheet HTML 4Page - Pericom Semiconductor Corporation  
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PI74FCT521T
8-BIT IDENTITY COMPARATOR
2
PS2019A 03/11/96
12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012
Inputs
Output
IA=B
A, B
OA=B
L
A = B*
L
LA
≠ BH
H
A = B*
H
HA
≠ BH
Truth Table(1)
NOTE: 1. H = High Voltage Level
L = Low Voltage Level,
*A0 = B0, A1 = B1, A2 = B2, etc.
Product Pin Description
Pin Name
Description
IA=B
Expansion or Enable Input (Active LOW)
OA=B
Identity Output (Active LOW)
A0–A7
Word A Inputs
B0–B7
Word B Inputs
GND
Ground
VCC
Power
Product Pin Configuration
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
IA=B
A0
B0
A1
B1
A2
B2
A3
B3
GND
Vcc
OA=B
B7
A7
B6
A6
B5
A5
B4
A4
20-PIN
L20
P20
Q20
R20
S20



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