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參數(shù)資料
| 型號(hào)： | KK74HC157AD |
| 廠商： | KODENSHI CORP. |
| 英文描述： | Quad 2-Input Data Selectors/Multiplexer |
| 中文描述： | 四2輸入數(shù)據(jù)選擇器/復(fù)用器 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大小： | 164K |
| 代理商： | KK74HC157AD |
TECHNICAL DATA
K K
74HC157A
Quad 2-Input Data Selectors/Multiplexer
ORDERING INFORMATION
KK
74HC157AN Plastic
KK
74HC157AD SOIC
T
A
= -55
°
to 125
°
C for all packages
The
KK
74HC157A is identical in pin out to the LS/ALS157. The device
inputs are compatible with standard CMOS outputs; with pull up resistors, they
are compatible with LS/ALSTTL outputs.
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 non inverted form. A
high level on the Output Enable input sets all four Y outputs to a low level.
Outputs Directly Interface to CMOS, NMOS, and TTL
Operating Voltage Range: 2.0 to 6.0 V
Low Input Current: 1.0
μ
A
High Noise Immunity Characteristic of CMOS Devices
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 |
|---|---|
| KK74HC157AN | Quad 2-Input Data Selectors/Multiplexer |
| KK74HC158A | Quad 2-Input Data Selectors/Multiplexers High-Performance Silicon-Gate CMOS |
| KK74HC158AD | Quad 2-Input Data Selectors/Multiplexers High-Performance Silicon-Gate CMOS |
| KK74HC158AN | Replacement for Texas Instruments part number SN74LS27N. Buy from authorized manufacturer Rochester Electronics. |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| KK74HC157AN | 制造商:KODENSHI 制造商全稱:KODENSHI KOREA CORP. 功能描述:Quad 2-Input Data Selectors/Multiplexer |
| KK74HC158A | 制造商:KODENSHI 制造商全稱:KODENSHI KOREA CORP. 功能描述:Quad 2-Input Data Selectors/Multiplexers High-Performance Silicon-Gate CMOS |
| KK74HC158AD | 制造商:KODENSHI 制造商全稱:KODENSHI KOREA CORP. 功能描述:Quad 2-Input Data Selectors/Multiplexers High-Performance Silicon-Gate CMOS |
| KK74HC158AN | 制造商:KODENSHI 制造商全稱:KODENSHI KOREA CORP. 功能描述:Quad 2-Input Data Selectors/Multiplexers High-Performance Silicon-Gate CMOS |
| KK74HC161A | 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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