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參數(shù)資料
| 型號(hào)： | MC74HCT138 |
| 廠(chǎng)商： | Motorola, Inc. |
| 英文描述： | 1-of-8 Decoder/Demultiplexer with LSTTL Compatible Inputs |
| 中文描述： | 1 - 8解碼器/解復(fù)用器的輸入通道兼容輸入 |
| 文件頁(yè)數(shù)： | 1/6頁(yè) |
| 文件大小： | 218K |
| 代理商： | MC74HCT138 |
SEMICONDUCTOR TECHNICAL DATA
1
REV 6
Motorola, Inc. 1995
10/95
!$# &!
%# # $#"
High–Performance Silicon–Gate CMOS
The MC74HCT138A is identical in pinout to the LS138. The HCT138A
may be used as a level converter for interfacing TTL or NMOS outputs to
High Speed CMOS inputs.
The HCT138A 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–select-
ing 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.
Output Drive Capability: 10 LSTTL Loads
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
In Compliance with the Requirements Defined by JEDEC Standard
No. 7A
Chip Complexity: 122 FETs or 30.5 Equivalent Gates
LOGIC DIAGRAM
7
Y6
Y5
Y4
Y3
Y2
Y1
Y0
Y7
9
10
11
12
13
14
15
3
2
1
CS1
CS2
A0
A1
A2
ACTIVE–LOW
OUTPUTS
ADDRESS
INPUTS
CS3
CHIP–
SELECT
INPUTS
5
4
6
PIN 16 = VCC
Design Criteria
Value
Units
Speed Power Product
.0075
pJ
*Equivalent to a two–input NAND gate.
PIN ASSIGNMENT
13
14
15
16
9
10
11
12
5
4
3
2
1
8
7
6
A0
CS2
A2
A1
Y7
CS1
CS3
GND
Y3
Y2
Y1
Y0
VCC
Y5
Y4
Y6
D SUFFIX
SOIC PACKAGE
CASE 751B–05
N SUFFIX
PLASTIC PACKAGE
CASE 648–08
ORDERING INFORMATION
MC74HCTXXXAN
MC74HCTXXXAD
MC74HCTXXXADT
Plastic
SOIC
TSSOP
1
16
1
16
1
16
DT SUFFIX
TSSOP PACKAGE
CASE 948F–01
Inputs
Outputs
CS1CS2 CS3 A2 A1 A0 Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7
X
X
L
H
H
H
H
H
H
H
H
X
H
X
L
L
L
L
L
L
L
L
H
X
X
L
L
L
L
L
L
L
L
X
X
X
L
L
L
L
H
H
H
H
X
X
X
L
L
H
H
L
L
H
H
X
X
X
L
H
L
H
L
H
L
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
L
FUNCTION TABLE
H = high level (steady state)
L = low level (steady state)
X = don’t care
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC74HCT138AD | 功能描述:IC DECODER/DMUX 1-8 LSTTL 16SOIC RoHS:否 類(lèi)別:集成電路 (IC) >> 邏輯 - 信號(hào)開(kāi)關(guān)，多路復(fù)用器，解碼器 系列:74HCT 標(biāo)準(zhǔn)包裝:2,000 系列:74CB 類(lèi)型:FET 總線(xiàn)開(kāi)關(guān) 電路:8 x 1:1 獨(dú)立電路:1 輸出電流高，低:15mA，30mA 電壓電源:單電源 電源電壓:2.3 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:20-TFSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:20-TVSOP 包裝:帶卷 (TR) 產(chǎn)品目錄頁(yè)面:951 (CN2011-ZH PDF) 其它名稱(chēng):296-19129-2 |
| MC74HCT138ADG | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 1OF8 DECODER/ DEMULTIPLER RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線(xiàn)路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| MC74HCT138ADR2 | 制造商:ON Semiconductor 功能描述:Decoder/Demultiplexer Single 3-to-8 16-Pin SOIC T/R |
| MC74HCT138ADR2G | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 1OF8 DECODER/ DEMULTIPLER RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線(xiàn)路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| MC74HCT138ADT | 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
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