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參數(shù)資料
| 型號(hào)： | SN74AS298AD |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類(lèi)： | 編、解碼器及復(fù)用、解復(fù)用 |
| 英文描述： | AS SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16 |
| 封裝： | PLASTIC, SO-16 |
| 文件頁(yè)數(shù)： | 1/14頁(yè) |
| 文件大?。?/td> | 516K |
| 代理商： | SN74AS298AD |
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SN74AS298A
QUADRUPLE 2INPUT MULTIPLEXER
WITH STORAGE
SDAS219B DECEMBER 1983 REVISED DECEMBER 1994
Copyright
1994, Texas Instruments Incorporated
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
Selects One of Two 4-Bit Data Sources and
Synchronously Stores Data With System
Clock
Applications:
Dual Source for Operands and Constants
in Arithmetic Processor; Can Release
Processor Register Files for Acquiring
New Data
Implements Separate Registers Capable
of Parallel Exchange of Contents, Yet
Retains External Load Capability
Has Universal-Type Register for
Implementing Various Shift Patterns,
Including Compound Left-Right
Capability
Package Options Include Plastic
Small-Outline (D) Packages and Standard
Plastic (N) 300-mil DIPs
description
The SN74AS298A is a quadruple 2-input multiplexer with storage that provides essentially the equivalent
functional capabilities of two separate MSI functions (SN74AS157 and
′AS175A) in a 16-pin package.
When the word-select (WS) input is low, word 1 (A1, B1, C1, D1) is applied to the flip-flops. A high input to WS
causes the selection of word 2 (A2, B2, C2, D2). The selected word is clocked to the output terminals on the
negative-going edge of the clock pulse.
The SN74AS298A is characterized for operation from 0
°C to 70°C.
FUNCTION TABLE
INPUTS
OUTPUTS
WS
CLK
QA
QB
QC
QD
L
↓
a1
b1
c1
d1
H
↓
a2
b2
c2
d2
X
H
QA0
QB0
QC0
QD0
a1, a2, etc. = the level of steady-state input at A1,
A2, etc.
QA0, QB0, etc. = the level of QA, QB, etc. entered
on the most recent
↓ transition of CLK
D OR N PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
B2
A2
A1
B1
C2
D2
D1
GND
VCC
QA
QB
QC
QD
CLK
WS
C1
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 |
|---|---|
| SN74AS298ADE4 | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Quadruple 2-Input RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| SN74AS298ADG4 | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Quad 2Input Multiplxr RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| SN74AS298ADR | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Quadruple 2-Input RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| SN74AS298ADRE4 | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Quadruple 2-Input RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| SN74AS298ADRG4 | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Quad 2Input Multiplxr RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
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