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參數(shù)資料
| 型號(hào)： | KK74ACT138 |
| 廠商： | KODENSHI CORP. |
| 英文描述： | 1-of-8 Decoder/Demultiplexer High-Speed Silicon-Gate CMOS |
| 中文描述： | 1 - 8解碼器/解復(fù)用器高速硅柵CMOS |
| 文件頁(yè)數(shù)： | 1/6頁(yè) |
| 文件大小： | 195K |
| 代理商： | KK74ACT138 |
TECHNICAL DATA
K K
74ACT138
1-of-8 Decoder/Demultiplexer
High-Speed Silicon-Gate CMOS
ORDERING INFORMATION
KK
74ACT138N Plastic
KK
74ACT138D SOIC
T
A
= -40
°
to 85
°
C for all packages
The
KK
74ACT138 is identical in pinout to the LS/ALS138,
HC/HCT138. The
KK
74ACT138 may be used as a level converter for
interfacing TTL or NMOS outputs to High Speed CMOS inputs.
The
KK
74ACT138 decodes a three-bit Address to one-of-eight active-
lot outputs. This device features three Chip Select inputs, two active-low
and one active-high to facilitate the demultiplexing, cascading, and chip-
selecting functions. The demultiplexing function is accomplished by using
the Address inputs to select the desired device output; one of the Chip
Selects is used as a data input while the other Chip Selects are held in
their active states.
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
CS1 CS2 CS3
A2 A1 A0
Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7
X X H
X H X
L X X
X X X
X X X
X X X
H H H H H H H H
H H H H H H H H
H H H H H H H H
H L L
H L L
H L L
H L L
L L L
L L H
L H L
L H H
L H H H H H H H
H L H H H H H H
H H L H H H H H
H H H L H H H H
H L L
H L L
H L L
H L L
H L L
H L H
H H L
H H H
H H H H L H H H
H H H H H L H H
H H H H H H L H
H H H H H H H L
H = high level (steady state)
L = low level (steady state)
X = don’t care
1
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| KK74ACT138D | 1-of-8 Decoder/Demultiplexer High-Speed Silicon-Gate CMOS |
| KK74ACT138N | 1-of-8 Decoder/Demultiplexer High-Speed Silicon-Gate CMOS |
| KK74ACT139 | Dual 1-of-4 Decoder/Demultiplexer High-Speed Silicon-Gate CMOS |
| KK74ACT139D | Dual 1-of-4 Decoder/Demultiplexer High-Speed Silicon-Gate CMOS |
| KK74ACT139N | Dual 1-of-4 Decoder/Demultiplexer High-Speed Silicon-Gate CMOS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| KK74ACT138D | 制造商:KODENSHI 制造商全稱:KODENSHI KOREA CORP. 功能描述:1-of-8 Decoder/Demultiplexer High-Speed Silicon-Gate CMOS |
| KK74ACT138N | 制造商:KODENSHI 制造商全稱:KODENSHI KOREA CORP. 功能描述:1-of-8 Decoder/Demultiplexer High-Speed Silicon-Gate CMOS |
| KK74ACT139 | 制造商:KODENSHI 制造商全稱:KODENSHI KOREA CORP. 功能描述:Dual 1-of-4 Decoder/Demultiplexer High-Speed Silicon-Gate CMOS |
| KK74ACT139D | 制造商:KODENSHI 制造商全稱:KODENSHI KOREA CORP. 功能描述:Dual 1-of-4 Decoder/Demultiplexer High-Speed Silicon-Gate CMOS |
| KK74ACT139N | 制造商:KODENSHI 制造商全稱:KODENSHI KOREA CORP. 功能描述:Dual 1-of-4 Decoder/Demultiplexer High-Speed Silicon-Gate CMOS |
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