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參數資料
| 型號： | SN74AS298ANSRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 編、解碼器及復用、解復用 |
| 英文描述： | AS SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16 |
| 封裝： | GREEN, PLASTIC, SOP-16 |
| 文件頁數： | 1/14頁 |
| 文件大小： | 516K |
| 代理商： | SN74AS298ANSRG4 |
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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相關代理商/技術參數 |
參數描述 |
|---|---|
| SN74AS298DR | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN74AS30D | 功能描述:邏輯門 8-Input Positive NAND gates RoHS:否 制造商:Texas Instruments 產品:OR 邏輯系列:LVC 柵極數量:2 線路數量（輸入/輸出）:2 / 1 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 傳播延遲時間:3.8 ns 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:DCU-8 封裝:Reel |
| SN74AS30DBR | 功能描述:邏輯門 8-Input Positive NAND gates RoHS:否 制造商:Texas Instruments 產品:OR 邏輯系列:LVC 柵極數量:2 線路數量（輸入/輸出）:2 / 1 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 傳播延遲時間:3.8 ns 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:DCU-8 封裝:Reel |
| SN74AS30DBRE4 | 功能描述:邏輯門 8-Input Positive NAND gates RoHS:否 制造商:Texas Instruments 產品:OR 邏輯系列:LVC 柵極數量:2 線路數量（輸入/輸出）:2 / 1 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 傳播延遲時間:3.8 ns 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:DCU-8 封裝:Reel |
| SN74AS30DBRG4 | 功能描述:邏輯門 8-Inp Pos-NAND Gates RoHS:否 制造商:Texas Instruments 產品:OR 邏輯系列:LVC 柵極數量:2 線路數量（輸入/輸出）:2 / 1 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 傳播延遲時間:3.8 ns 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:DCU-8 封裝:Reel |
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