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參數(shù)資料
| 型號： | SN54F521FK |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 8-BIT IDENTITY COMPARATORS |
| 中文描述： | 8位身分比較器 |
| 文件頁數(shù)： | 1/5頁 |
| 文件大?。?/td> | 73K |
| 代理商： | SN54F521FK |
SN54F521, SN74F521
8-BIT IDENTITY COMPARATORS
SDFS091 – MARCH 1987 – REVISED OCTOBER 1993
Copyright
1993, Texas Instruments Incorporated
2–1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Compares Two 8-Bit Words
Package Options Include Plastic
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. They provide
P = Q outputs.
The SN54F521 is characterized for operation over
the full military temperature range of –55
°
C to
125
°
C. The SN74F521 is characterized for
operation from 0
°
C to 70
°
C.
FUNCTION TABLE
INPUTS
OUTPUT
P = Q
P, Q
P = Q
P
≠
Q
X
OE
L
L
X
H
H
H
logic symbol
COMP
0
2
P0
4
P1
6
P2
8
P3
1
19
1P = Q
11
P4
13
P5
15
P6
7
17
P7
0
3
Q0
5
Q1
7
Q2
9
Q3
12
Q4
14
Q5
16
Q6
7
18
Q7
P
Q
OE
P = Q
This symbol is in accordance with ANSI/IEEE Std 91-1984 and
IEC Publication 617-12.
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
OE
P0
Q0
P1
Q1
P2
Q2
P3
Q3
GND
V
CC
P = Q
Q7
P7
Q6
P6
Q5
P5
Q4
P4
SN54F521 . . . J PACKAGE
SN74F521 . . . DW OR N PACKAGE
(TOP VIEW)
3
2
1 20 19
9 10 11 12 13
4
5
6
7
8
18
17
16
15
14
Q7
P7
Q6
P6
Q5
P1
Q1
P2
Q2
P3
SN54F521 . . . FK PACKAGE
(TOP VIEW)
Q
P
O
Q
P
P
Q
G
P
V
C
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.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN54F521J | 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述: 制造商:Texas Instruments 功能描述:Identity Comparator 8-Bit 20-Pin CDIP Tube |
| SN54F534J | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN54F623J | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| SN54F74J | 制造商:Texas Instruments 功能描述:Flip Flop D-Type Pos-Edge 2-Element 14-Pin CDIP Tube 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:FLIP FLOP D-TYPE POS-EDGE 2-ELEM 14CDIP - Rail/Tube |
| SN54H00AJ | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
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