Electronic Components Datasheet Search
Selected language     English  ▼
Part Name
         Description


CD74HC138 Datasheet(PDF) 1 Page - Texas Instruments

Part No. CD74HC138
Description  High Speed CMOS Logic 3-to-8 Line Decoder/ Demultiplexer Inverting and Non-Inverting
Download  7 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
Logo 

   
 1 page
background image
1
Data sheet acquired from Harris Semiconductor
SCHS147A
Features
• Select One Of Eight Data Outputs
Active Low for 138, Active High for 238
• l/O Port or Memory Selector
• Three Enable Inputs to Simplify Cascading
• Typical Propagation Delay of 13ns at VCC = 5V,
CL = 15pF, TA = 25
oC
• Fanout (Over Temperature Range)
- Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads
- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads
• Wide Operating Temperature Range . . . -55oC to 125oC
• Balanced Propagation Delay and Transition Times
• Significant Power Reduction Compared to LSTTL
Logic ICs
• HC Types
- 2V to 6V Operation
- High Noise Immunity: NIL = 30%, NIH = 30% of VCC
at VCC = 5V
• HCT Types
- 4.5V to 5.5V Operation
- Direct LSTTL Input Logic Compatibility,
VIL= 0.8V (Max), VIH = 2V (Min)
- CMOS Input Compatibility, Il ≤ 1µA at VOL, VOH
Pinout
CD74HC138, CD74HCT138, CD74HC238, CD74HCT238
(PDIP, SOIC)
TOP VIEW
Signal names in parentheses are for ’HC238 and ’HCT238.
14
15
16
9
13
12
11
10
1
2
3
4
5
7
6
8
A0
A1
A2
E1
E2
E3
GND
(Y7) Y7
VCC
Y1 (Y1)
Y2 (Y2)
Y3 (Y3)
Y4 (Y4)
Y5 (Y5)
Y6 (Y6)
Y0 (Y0)
October 1997 - Revised February 1999
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
Copyright
© 1999, Texas Instruments Incorporated
CD74HC138, CD74HCT138,
CD74HC238, CD74HCT238
High Speed CMOS Logic 3-to-8 Line Decoder/
Demultiplexer Inverting and Non-Inverting
[ /Title
(CD74
HC138
,
CD74
HCT13
8,
CD74
HC238
,
CD74
HCT23
8)
/Sub-
ject
(High
Speed




Html Pages

1  2  3  4  5  6  7 


Datasheet Download



Related Electronics Part Number

Part NumberComponents DescriptionHtml ViewManufacturer
CD74HC367High Speed CMOS Logic Hex Buffer/Line Driver Three-State Non-Inverting and Inverting 1 2 3 4 5 MoreTexas Instruments
CD74HC137High Speed CMOS Logic 3-to-8 Line Decoder Demultiplexer with Address Latches 1 2 3 4 5 MoreTexas Instruments
CD74HC366High Speed CMOS Logic Hex Buffer/Line Driver Three-State Non-Inverting and Inverting 1 2 3 4 5 MoreTexas Instruments
CD74HC365High Speed CMOS Logic Hex Buffer/Line Driver Three-State Non-Inverting and Inverting 1 2 3 4 5 MoreTexas Instruments
CD74HC540High Speed CMOS Logic Octal Buffer and Line Drivers Three-State 1 2 3 4 5 MoreTexas Instruments
CD74HC540High Speed CMOS Logic Octal Buffer and Line Drivers Three-State 1 2 3 4 5 MoreTexas Instruments
CD74HCT139High Speed CMOS Logic Dual 2-to-4 Line Decoder/Demultiplexer 1 2 3 4 5 Harris Corporation
CD74HC154High Speed CMOS Logic 4-to-16 Line Decoder/Demultiplexer 1 2 3 4 5 MoreTexas Instruments
CD54HC138High-Speed CMOS Logic 3- to 8-Line Decoder/ Demultiplexer Inverting and Noninverting 1 2 3 4 5 MoreTexas Instruments
CD74HC257High Speed CMOS Logic Quad 2-Input Multiplexer with Three-State Non-Inverting Outputs 1 2 3 4 5 MoreTexas Instruments

Link URL

Does ALLDATASHEET help your business so far?  [ DONATE ]  

About Alldatasheet   |   Advertisement   |   Datasheet Upload   |   Contact us   |   Privacy Policy   |   Bookmark   |   Link Exchange   |   Manufacturer List
All Rights Reserved© Alldatasheet.com 2003 - 2017    


Mirror Sites
English : Alldatasheet.com  , Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp  |   Russian : Alldatasheetru.com
Korean : Alldatasheet.co.kr   |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com  |   Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl