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參數(shù)資料
| 型號(hào)： | KK74HCT157A |
| 廠商： | KODENSHI CORP. |
| 英文描述： | Quad 2-Input Data Selectors/Multiplexer High-Performance Silicon-Gate CMOS |
| 中文描述： | 四2輸入數(shù)據(jù)選擇器/多路高性能硅柵CMOS |
| 文件頁(yè)數(shù)： | 1/6頁(yè) |
| 文件大?。?/td> | 163K |
| 代理商： | KK74HCT157A |
TECHNICAL DATA
K K
74HCT157A
Quad 2-Input Data Selectors/Multiplexer
High-Performance Silicon-Gate CMOS
ORDERING INFORMATION
KK
74HCT157AN Plastic
KK
74HCT157AD SOIC
T
A
= -55
°
to 125
°
C for all packages
The
KK
74HCT157A is identical in pinout to the LS/ALS157. This
device 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
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 |
|---|---|
| KK74HCT157AD | Quad 2-Input Data Selectors/Multiplexer High-Performance Silicon-Gate CMOS |
| KK74HCT157AN | Quad 2-Input Data Selectors/Multiplexer High-Performance Silicon-Gate CMOS |
| KK74HCT163A | Presettable Counters High-Performance Silicon-Gate CMOS |
| KK74HCT163AD | Replacement for Texas Instruments part number 54162/BEA. Buy from authorized manufacturer Rochester Electronics. |
| KK74HCT163AN | Replacement for Texas Instruments part number 54162/BFA. Buy from authorized manufacturer Rochester Electronics. |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| KK74HCT157AD | 制造商:KODENSHI 制造商全稱:KODENSHI KOREA CORP. 功能描述:Quad 2-Input Data Selectors/Multiplexer High-Performance Silicon-Gate CMOS |
| KK74HCT157AN | 制造商:KODENSHI 制造商全稱:KODENSHI KOREA CORP. 功能描述:Quad 2-Input Data Selectors/Multiplexer High-Performance Silicon-Gate CMOS |
| KK74HCT163A | 制造商:KODENSHI 制造商全稱:KODENSHI KOREA CORP. 功能描述:Presettable Counters High-Performance Silicon-Gate CMOS |
| KK74HCT163AD | 制造商:KODENSHI 制造商全稱:KODENSHI KOREA CORP. 功能描述:Presettable Counters High-Performance Silicon-Gate CMOS |
| KK74HCT163AN | 制造商:KODENSHI 制造商全稱:KODENSHI KOREA CORP. 功能描述:Presettable Counters High-Performance Silicon-Gate CMOS |
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