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74AC11280 Datasheet, PDF (1/5 Pages) Texas Instruments – 9-BIT PARITY GENERATOR/CHECKER
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• Generates Either Odd or Even Parity for
Nine Data Lines
• Cascadable for n-Bits Parity
• Flow-Through Architecture to Optimize
PCB Layout
• Center-Pin VCC and GND Configurations to
Minimize High-Speed Switching Noise
• EPICt (Enhanced-Performance Implanted
CMOS) 1-mm Process
• 500-mA Typical Latch-Up Immunity
at 125°C
• Package Options Include Plastic
Small-Outline Packages and Standard
Plastic 300-mil DIPs
74AC11280
9ĆBIT PARITY GENERATOR/CHECKER
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SCAS055A − D3201, APRIL 1989 − REVISED APRIL 1993
D OR N PACKAGE
(TOP VIEW)
B1
A2
Σ ODD 3
GND 4
Σ EVEN 5
NC 6
I7
14 C
13 D
12 E
11 VCC
10 F
9G
8H
description
This universal, monolithic, nine-bit parity generator/checker features odd and even outputs to facilitate operation
of either odd or even parity application. The word-length capability is easily expanded by cascading.
The 74AC11280 is characterized for operation from − 40°C to 85°C.
FUNCTION TABLE
NUMBER OF INPUTS A
THRU I THAT ARE HIGH
OUTPUTS
S EVEN S ODD
0, 2, 4, 6, 8
H
L
1, 3, 5, 7, 9
L
H
logic symbol†
2
2k
A
1
B
14
C
13
D
12
E
10
F
9
G
8
H
7
I
5
Σ EVEN
3
Σ ODD
† This symbol is in accordance with ANSI/IEEE Std 91-1984
and IEC Publication 617-12.
EPIC is a trademark of Texas Instruments Incorporated.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
• POST OFFICE BOX 1443 HOUSTON, TEXAS 77001
Copyright  1993, Texas Instruments Incorporated
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