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參數(shù)資料
| 型號(hào)： | KK74LS157 |
| 廠商： | KODENSHI CORP. |
| 英文描述： | Quad 2-Input Data Selector/Multiplexer |
| 中文描述： | 四2輸入數(shù)據(jù)選擇器/復(fù)用器 |
| 文件頁(yè)數(shù)： | 1/4頁(yè) |
| 文件大?。?/td> | 206K |
| 代理商： | KK74LS157 |
TECHNICAL DATA
KK
74LS157
Quad 2-Input Data Selector/Multiplexer
ORDERING INFORMATION
KK
74LS157N Plastic
KK
74LS157D SOIC
T
A
=0
°
to 70
°
C for all packages
This monolitic data selector/multiplexer contains inverters and drivers
to supply full on-chip data selection to the four output 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. The LS157 has the same functions and
pin connections as the LS257 but the latter is provided with 3-state
outputs.
Buffered Inputs and Outputs
Common Strobe/Select input for all 4 circuits
PIN ASSIGNMENT
LOGIC DIAGRAM
PIN 16 =V
CC
PIN 8 = GND
FUNCTION TABLE
Inputs
Outputs
Output
Enable
Select
Y0-Y3
H
X
L
L
L
A0-A3
L
H
B0-B3
X=don’t care
A0-A3,B0-B3=the levels of the respective
Data-Word Inputs
1
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| KK74LS157D | Quad 2-Input Data Selector/Multiplexer |
| KK74LS157N | Quad 2-Input Data Selector/Multiplexer |
| KK74LS161 | Synchronous 4 Bit Counters; Binary, Direct Reset |
| KK74LS161D | Synchronous 4 Bit Counters; Binary, Direct Reset |
| KK74LS161N | Synchronous 4 Bit Counters; Binary, Direct Reset |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| KK74LS157D | 制造商:KODENSHI 制造商全稱:KODENSHI KOREA CORP. 功能描述:Quad 2-Input Data Selector/Multiplexer |
| KK74LS157N | 制造商:KODENSHI 制造商全稱:KODENSHI KOREA CORP. 功能描述:Quad 2-Input Data Selector/Multiplexer |
| KK74LS161 | 制造商:KODENSHI 制造商全稱:KODENSHI KOREA CORP. 功能描述:Synchronous 4 Bit Counters; Binary, Direct Reset |
| KK74LS161D | 制造商:KODENSHI 制造商全稱:KODENSHI KOREA CORP. 功能描述:Synchronous 4 Bit Counters; Binary, Direct Reset |
| KK74LS161N | 制造商:KODENSHI 制造商全稱:KODENSHI KOREA CORP. 功能描述:Synchronous 4 Bit Counters; Binary, Direct Reset |
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