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DM74157 の電気的特性と機能

DM74157のメーカーはFairchild Semiconductorです、この部品の機能は「Quad 2-Line to 1-Line Data Selectors/Multiplexer」です。


製品の詳細 ( Datasheet PDF )

部品番号 DM74157
部品説明 Quad 2-Line to 1-Line Data Selectors/Multiplexer
メーカ Fairchild Semiconductor
ロゴ Fairchild Semiconductor ロゴ 




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DM74157 Datasheet, DM74157 PDF,ピン配置, 機能
August 1986
Revised February 2000
DM74157
Quad 2-Line to 1-Line Data Selectors/Multiplexer
General Description
These data selectors/multiplexers contain inverters and
drivers to supply full on-chip data selection to the four out-
put gates. A separate strobe input is provided. A 4-bit word
is selected from one of two sources and is routed to the
four outputs.
Applications
• Expand any data input point
• Multiplex dual data buses
• Generate four functions of two variables (one variable is
common)
• Source programmable counters
Features
s Buffered inputs and outputs
s Typical propagation time 9 ns
s Typical power dissipation 150 mW
Ordering Code:
Order Number Package Number
Package Description
DM74157N
N16E
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Connection Diagram
Logic Diagram
Function Table
Inputs
Strobe
Select
AB
H X XX
L L LX
L L HX
L H XL
L H XH
H = HIGH Level, L = LOW Level, X = Don’t Care
Output Y
L
L
H
L
H
© 2000 Fairchild Semiconductor Corporation DS006550
www.fairchildsemi.com

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DM74157 pdf, ピン配列
Physical Dimensions inches (millimeters) unless otherwise noted
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Package Number N16E
Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and
Fairchild reserves the right at any time without notice to change said circuitry and specifications.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD
SEMICONDUCTOR CORPORATION. As used herein:
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the
body, or (b) support or sustain life, and (c) whose failure
to perform when properly used in accordance with
instructions for use provided in the labeling, can be rea-
sonably expected to result in a significant injury to the
user.
2. A critical component in any component of a life support
device or system whose failure to perform can be rea-
sonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
www.fairchildsemi.com
3 www.fairchildsemi.com


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共有リンク

Link :


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