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參數(shù)資料
| 型號： | SN74ALS688NSRG4 |
| 廠商： | Texas Instruments |
| 文件頁數(shù)： | 1/18頁 |
| 文件大小： | 0K |
| 描述： | IC COMPARATOR IDENTITY 8B 20SOP |
| 標準包裝： | 2,000 |
| 系列： | 74ALS |
| 類型： | 身份比較器 |
| 位數(shù)： | 8 |
| 輸出： | 低有效 |
| 輸出功能： | A=B |
| 電源電壓： | 4.5 V ~ 5.5 V |
| 輸出電流高，低： | 2.6mA，24mA |
| 額定電壓和最大 CL 時的最大傳播延遲： | 20ns @ 4.5V ~ 5.5V，50pF |
| 工作溫度： | 0°C ~ 70°C |
| 封裝/外殼： | 20-SOIC（0.209"，5.30mm 寬） |
| 安裝類型： | 表面貼裝 |
| 包裝： | 帶卷 (TR) |
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
DATA
P, Q
ENABLE
G
OUTPUT
P = Q
P = Q
L
P > Q
LH
P < Q
LH
X
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
VCC
P = Q
Q7
P7
Q6
P6
Q5
P5
Q4
P4
SN54ALS688 ...J PACKAGE
SN74ALS688 ... DW OR N PACKAGE
(TOP VIEW)
32 1 20 19
910 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)
Q0
P0
G
Q4
P5
P
=
Q
Q3
GND
P4
V
CC
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) |
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| SN74ALS746-1N | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
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| SN74ALS746N | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
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