Electronic Components Datasheet Search
  English  ▼

Delete All
ON OFF
ALLDATASHEET.COM

X  

Preview PDF Download HTML

DM74LS257B Datasheet(PDF) 3 Page - Fairchild Semiconductor

Part No. DM74LS257B
Description  3-STATE Quad 2-Data Selectors/Multiplexers
Download  5 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
Logo 

DM74LS257B Datasheet(HTML) 3 Page - Fairchild Semiconductor

   
Zoom Inzoom in Zoom Outzoom out
 3 / 5 page
background image
3
www.fairchildsemi.com
Switching Characteristics
VCC = 5V and TA = 25°C
Note 5: CL = 5 pF
Symbol
Parameter
RL
= 667Ω
Units
From (Input)
CL = 45 pF
CL = 150 pF
To (Output)
Min
Max
Min
Max
tPLH
Propagation Delay Time
Data to Output
18
27
ns
LOW-to-HIGH Level Output
tPHL
Propagation Delay Time
Data to Output
18
27
ns
HIGH-to-LOW Level Output
tPLH
Propagation Delay Time
Select to Output
28
35
ns
LOW-to-HIGH Level Output
tPHL
Propagation Delay Time
Select to Output
35
42
ns
HIGH-to-LOW Level Output
tPZH
Output Enable Time
Output Control to Y
15
27
ns
to HIGH Level Output
tPZL
Output Enable Time
Output Control to Y
28
38
ns
to LOW Level Output
tPHZ
Output Disable Time from
Output Control to Y
28
ns
HIGH Level Output (Note 5)
tPLZ
Output Disable Time from
Output Control to Y
25
ns
LOW Level Output (Note 5)


Html Pages

1  2  3  4  5 


Datasheet Download



Related Electronics Part Number

Part NumberComponents DescriptionHtml ViewManufacturer
MC74HC125AQuad 3-State Noninverting Buffers 1 2 3 4 5 MoreON Semiconductor
74ABT126Quad buffer 3-State 1 2 3 4 5 MoreNXP Semiconductors
74AHC125Quad buffer/line driver; 3-state 1 2 3 4 5 MoreNXP Semiconductors
74VHC125QUAD BUS BUFFERS 3-STATE 1 2 3 4 5 MoreSTMicroelectronics
HD74AC125Quad Buffer/Line Driver with 3-State Output 1 2 3 4 5 MoreHitachi Semiconductor
74ACT125MTRQUAD BUS BUFFERS 3-STATE 1 2 3 4 5 MoreSTMicroelectronics
MC74LVX257Quad 2-Channel Multiplexer with 3-State Outputs 1 2 3 4 5 MoreON Semiconductor
54LS257ATRI-STATE Quad 2-Data Selectors/Multiplexers 1 2 3 4 5 MoreNational Semiconductor (TI)
74AHC126Quad buffer/line driver; 3-state 1 2 3 4 5 MoreNXP Semiconductors
74F125Quad buffers 3-State 1 2 3 4 5 MoreNXP Semiconductors

Link URL




Privacy Policy
ALLDATASHEET.COM
Does ALLDATASHEET help your business so far?  [ DONATE ]  

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


Mirror Sites
English : Alldatasheet.com  |   English : 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  |   Vietnamese : Alldatasheet.vn