Texas Instruments SN74ALS688DW Bruksanvisning
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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 –55C°
to 125°C. The SN74ALS688 is characterized for
operation from 0°C to 70C.°
FUNCTION TABLE
INPUTS
OUTPUT
DATA
P, Q
ENABLE
G
OUTPUT
P = Q
P = QLL
P > QLH
P < QLH
X HH
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
VCC
P = Q
Q7
P7
Q6
P6
Q5
P5
Q4
P4
SN54ALS688. . . J PACKAGE
SN74ALS688 ...DW OR N PACKAGE
(TOP VIEW)
32120 19
91011 1213
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)
Q0
P0
G
Q4
P5P = Q
Q3
GND
P4 V
CC
PRODUCTION DATA information is current as of publication date.
Products conform to specications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Produktspecifikationer
| Varumärke: | Texas Instruments |
| Kategori: | Inte kategoriserad |
| Modell: | SN74ALS688DW |
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