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參數(shù)資料
| 型號(hào)： | KK74ACT157 |
| 廠商： | KODENSHI CORP. |
| 英文描述： | Quad 2-Input Data Selector/Multiplexer High-Speed Silicon-Gate CMOS |
| 中文描述： | 四2輸入數(shù)據(jù)選擇器/多路高速硅柵CMOS |
| 文件頁(yè)數(shù)： | 1/6頁(yè) |
| 文件大小： | 225K |
| 代理商： | KK74ACT157 |
TECHNICAL DATA
K K
74ACT157
Quad 2-Input Data Selector/Multiplexer
High-Speed Silicon-Gate CMOS
ORDERING INFORMATION
KK
74ACT157N Plastic
KK
74ACT157D SOIC
T
A
= -40
°
to 85
°
C for all packages
The
KK
74ACT157 is identical in pinout to the LS/ALS157,
HC/HCT157. The
KK
74ACT157 may be used as a level converter for
interfacing TTL or NMOS outputs to High Speed CMOS inputs.
This device routes 2 nibbles (A or B) to a single port (Y) as
determined by the Select input. The data is presented at the outputs in
noninvertered form. A high level on the Output Enable input sets all four
Y outputs to a low level.
TTL/NMOS Compatible Input Levels
Outputs Directly Interface to CMOS, NMOS, and TTL
Operating Voltage Range: 4.5 to 5.5 V
Low Input Current: 1.0
μ
A; 0.1
μ
A @ 25
°
C
Outputs Source/Sink 24 mA
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 |
|---|---|
| KK74ACT157N | Quad 2-Input Data Selector/Multiplexer High-Speed Silicon-Gate CMOS |
| KK74ACT157D | Quad 2-Input Data Selector/Multiplexer High-Speed Silicon-Gate CMOS |
| KK74ACT158 | Quad 2-Input Data Selector/Multiplexer High-Speed Silicon-Gate CMOS |
| KK74ACT158N | Quad 2-Input Data Selector/Multiplexer High-Speed Silicon-Gate CMOS |
| KK74ACT158D | Quad 2-Input Data Selector/Multiplexer High-Speed Silicon-Gate CMOS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| KK74ACT157D | 制造商:KODENSHI 制造商全稱:KODENSHI KOREA CORP. 功能描述:Quad 2-Input Data Selector/Multiplexer High-Speed Silicon-Gate CMOS |
| KK74ACT157N | 制造商:KODENSHI 制造商全稱:KODENSHI KOREA CORP. 功能描述:Quad 2-Input Data Selector/Multiplexer High-Speed Silicon-Gate CMOS |
| KK74ACT158 | 制造商:KODENSHI 制造商全稱:KODENSHI KOREA CORP. 功能描述:Quad 2-Input Data Selector/Multiplexer High-Speed Silicon-Gate CMOS |
| KK74ACT158D | 制造商:KODENSHI 制造商全稱:KODENSHI KOREA CORP. 功能描述:Quad 2-Input Data Selector/Multiplexer High-Speed Silicon-Gate CMOS |
| KK74ACT158N | 制造商:KODENSHI 制造商全稱:KODENSHI KOREA CORP. 功能描述:Quad 2-Input Data Selector/Multiplexer High-Speed Silicon-Gate CMOS |
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