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74AC11521 데이터시트(PDF) 1 Page - Texas Instruments

부품명 74AC11521
상세설명  8-BIT IDENTITY COMPARATORS
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제조업체  TI1 [Texas Instruments]
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74AC11521 데이터시트(HTML) 1 Page - Texas Instruments

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54AC11521, 74AC11521
8BIT IDENTITY COMPARATORS
SCAS022A − D2957, JULY 1987 − REVISED APRIL 1993
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 77001
Copyright
1993, Texas Instruments Incorporated
2−1
Compares Two 8-Bit Words
Flow-Through Architecture Optimizes
PCB Layout
Center-Pin V
CC and GND Configurations
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, Plastic Shrink
Small-Outline Packages, Ceramic Chip
Carriers, and Standard Plastic and Ceramic
300-mil DIPs
description
These identity comparators perform comparisons
on two 8-bit binary or BCD words. Also included
is a P = Q totem-pole output.
The 54AC11521 is characterized for operation
over the full military temperature range of − 55
°C
to 125
°C. The 74AC11521 is characterized for
operation from − 40
°C to 85°C.
FUNCTION TABLE
INPUTS
OUTPUT
DATA
P, Q
ENABLE
G
OUTPUT
P=Q
P = Q
L
L
P > Q
LH
P < Q
LH
X
H
H
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
Q1
P1
Q0
P0
GND
P = Q
G7
P7
Q6
P6
G
P2
Q2
P3
Q3
VCC
P4
Q4
P5
Q5
54AC11521 ...J PACKAGE
74AC11521 . . . DB, DW OR N PACKAGE
(TOP VIEW)
3
2
1 20 19
910 11 12 13
4
5
6
7
8
18
17
16
15
14
Q4
P5
Q5
P6
Q6
P2
G
Q1
P1
Q0
54AC11521 . . . FK PACKAGE
(TOP VIEW)
Q7
Q6
Q5
Q4
Q3
Q2
Q1
Q0
P7
P6
P5
P4
P3
P2
P1
P0
COMP
P = Q
6
1P = Q
7
0
7
0
7
9
11
13
16
18
1
3
8
10
12
14
17
19
2
4
20
G
P
Q
G1
logic symbol
† This symbol is in accordance with ANSI/IEEE Std 91-1984
and IEC Publication 617-12.
Pins numbers shown are for the DW, J, and N packages.
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.
EPIC is a trademark of Texas Instruments Incorporated.


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