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參數資料
| 型號： | 74ALS688 |
| 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： | 1/14頁 |
| 文件大小： | 493K |
| 代理商： | 74ALS688 |
SN54ALS688, SN74ALS688
8-BIT IDENTITY COMPARATORS
SDAS228A – JUNE 1982 – REVISED JANUARY 1995
Copyright
1995, Texas Instruments Incorporated
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Compare Two 8-Bit Words
Totem-Pole Outputs (P = Q)
′
ALS688 Are Identical to
′
ALS521
Package Options Include Plastic
Small-Outline (DW) Packages, Ceramic
Chip Carriers (FK), and Standard Plastic (N)
and Ceramic (J) 300-mil DIPs
description
These identity comparators perform comparisons
on two 8-bit binary or BCD words and provide
P = Q outputs. These devices have totem-pole
outputs.
The SN54ALS688 is characterized for operation
over the full military temperature range of –55
°
C
to 125
°
C. The SN74ALS688 is characterized for
operation from 0
°
C to 70
°
C.
FUNCTION TABLE
INPUTS
OUTPUT
P = Q
DATA
P, Q
ENABLE
G
P = Q
L
L
P > Q
L
H
P < Q
L
H
X
H
H
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
G
P0
Q0
P1
Q1
P2
Q2
P3
Q3
GND
V
CC
P = Q
Q7
P7
Q6
P6
Q5
P5
Q4
P4
SN54ALS688 . . . J PACKAGE
SN74ALS688
. . .
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
SN54ALS688 . . . FK PACKAGE
(TOP VIEW)
Q
P
G
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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相關代理商/技術參數 |
參數描述 |
|---|---|
| 74ALS74 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DUAL POSITIVE-EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH CLEAR AND PRESET |
| 74ALS74A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Dual D-type flip-flop with set and reset |
| 74ALS74AD | 制造商:NXP Semiconductors 功能描述: |
| 74ALS74ADB | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Dual D-type flip-flop with set and reset |
| 74ALS74AN | 制造商:Texas Instruments 功能描述: 制造商: 功能描述: 制造商:Fairchild Semiconductor Corporation 功能描述: 制造商:undefined 功能描述: |
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