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參數資料
| 型號： | SNJ54ALS258AW |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 編、解碼器及復用、解復用 |
| 英文描述： | ALS SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, INVERTED OUTPUT, CDFP16 |
| 封裝： | CERAMIC, DFP-16 |
| 文件頁數： | 1/22頁 |
| 文件大小： | 752K |
| 代理商： | SNJ54ALS258AW |
SN54ALS257A, SN54ALS258A, SN74ALS257A, SN74ALS258A, SN74AS257, SN74AS258
QUADRUPLE 2LINE TO 1LINE DATA SELECTORS/MULTIPLEXERS
WITH 3STATE OUTPUTS
SDAS124C APRIL 1982 REVISED AUGUST 1996
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
D 3-State Outputs Interface Directly With
System Bus
D Provide Bus Interface From Multiple
Sources in High-Performance Systems
D Package Options Include Plastic
Small-Outline (D) Packages, Ceramic Chip
Carriers (FK), and Standard Plastic (N) and
Ceramic (J) 300-mil DIPs
description
These data selectors/multiplexers are designed
to multiplex signals from 4-bit data sources to
4-output data lines in bus-organized systems. The
3-state outputs do not load the data lines when the
output-enable (OE) input is at a high logic level.
The SN54ALS257A and SN54ALS258A are
characterized for operation over the full military
temperature range of 55
°C to 125°C. The
SN74ALS257A, SN74ALS258A, SN74AS257,
and SN74AS258 are characterized for operation
from 0
°C to 70°C.
FUNCTION TABLE
INPUTS
OUTPUT Y
OE
A /B
DATA
SN54ALS257A
SN74ALS257A
SN54ALS258A
SN74ALS258A
OE
A /B
A
B
SN74ALS257A
SN74AS257
SN74ALS258A
SN74AS258
H
X
Z
L
LL
XL
H
L
LH
XH
L
HX
LL
H
L
H
X
H
L
Copyright
1996, Texas Instruments Incorporated
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.
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
A/B
1A
1B
1Y
2A
2B
2Y
GND
VCC
OE
4A
4B
4Y
3A
3B
3Y
SN54ALS257A, SN54ALS258A...J PACKAGE
SN74ALS257A, SN74ALS258A, SN74AS257,
SN74AS258 ...D OR N PACKAGE
(TOP VIEW)
SN54ALS257A, SN54ALS258A...FK PACKAGE
(TOP VIEW)
NC No internal connection
32 1 20 19
9 1011 1213
4
5
6
7
8
18
17
16
15
14
4A
4B
NC
4Y
3A
1B
1Y
NC
2A
2B
1A
A/B
NC
3Y
3B
OE
2Y
GND
NC
V
CC
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| SNJ54ALS258J | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| SNJ54ALS259FK | 制造商:TI 制造商全稱:Texas Instruments 功能描述:8-BIT ADDRESSABLE LATCHES |
| SNJ54ALS259J | 制造商:Texas Instruments 功能描述:Latch Addressable 8-CH D-Type 16-Pin CDIP Tube |
| SNJ54ALS273J | 制造商:Texas Instruments 功能描述:Flip Flop D-Type Bus Interface Pos-Edge 1-Element 20-Pin CDIP Tube |
| SNJ54ALS27AJ | 制造商:Texas Instruments 功能描述: |
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