Electronic Components Datasheet Search
  English  ▼
ALLDATASHEET.COM

X  

SN74ALS639A Datasheet(PDF) 4 Page - Texas Instruments

Click here to check the latest version.
Part # SN74ALS639A
Description  OCTAL BUS TRANSCEIVERS
Download  16 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

SN74ALS639A Datasheet(HTML) 4 Page - Texas Instruments

  SN74ALS639A Datasheet HTML 1Page - Texas Instruments SN74ALS639A Datasheet HTML 2Page - Texas Instruments SN74ALS639A Datasheet HTML 3Page - Texas Instruments SN74ALS639A Datasheet HTML 4Page - Texas Instruments SN74ALS639A Datasheet HTML 5Page - Texas Instruments SN74ALS639A Datasheet HTML 6Page - Texas Instruments SN74ALS639A Datasheet HTML 7Page - Texas Instruments SN74ALS639A Datasheet HTML 8Page - Texas Instruments SN74ALS639A Datasheet HTML 9Page - Texas Instruments Next Button
Zoom Inzoom in Zoom Outzoom out
 4 / 16 page
background image
SN74ALS638A, SN74ALS639A, SN74AS638A, SN74AS639
OCTAL BUS TRANSCEIVERS
SDAS123A – DECEMBER 1983 – REVISED JANUARY 1995
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
RL = 680 Ω (A outputs),
R1 = R2 = 500
Ω (B outputs),
TA = MIN to MAX†
UNIT
SN74ALS638A
SN74ALS639A
MIN
MAX
MIN
MAX
tPLH
A
B
2
12
2
12
ns
tPHL
A
B
2
12
2
12
ns
tPLH
B
A
8
25
10
30
ns
tPHL
B
A
8
30
5
22
ns
tPLH
OE
A
5
25
10
30
ns
tPHL
OE
A
10
45
10
35
ns
tPZH
OE
B
5
20
6
21
ns
tPZL
OE
B
5
22
8
25
ns
tPHZ
OE
B
2
10
2
10
ns
tPLZ
OE
B
3
15
3
16
ns
† For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, VCC
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage, VI: All inputs
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A-bus I/O ports
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
B-bus I/O ports
5.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, TA: SN74AS638A, SN74AS639
0
°C to 70°C
. . . . . . . . . . . . . . . . . . . .
Storage temperature range
– 65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
‡ Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
recommended operating conditions
SN74AS638A
SN74AS639
UNIT
MIN
NOM
MAX
VCC
Supply voltage
4.5
5
5.5
V
VIH
High-level input voltage
2
V
VIL
Low-level input voltage
0.8
V
VOH
High-level output voltage
A ports
5.5
V
IOH
High-level output current
B ports
–15
mA
IOL
Low-level output current
A or B ports
64
mA
TA
Operating free-air temperature
0
70
°C


Similar Part No. - SN74ALS639A

ManufacturerPart #DatasheetDescription
logo
Texas Instruments
SN74ALS639A TI-SN74ALS639A Datasheet
115Kb / 7P
[Old version datasheet]   OCTAL BUS TRANSCEIVERS
SN74ALS639ADW TI-SN74ALS639ADW Datasheet
115Kb / 7P
[Old version datasheet]   OCTAL BUS TRANSCEIVERS
SN74ALS639AN TI-SN74ALS639AN Datasheet
115Kb / 7P
[Old version datasheet]   OCTAL BUS TRANSCEIVERS
More results

Similar Description - SN74ALS639A

ManufacturerPart #DatasheetDescription
logo
Texas Instruments
SN54BCT245 TI-SN54BCT245_07 Datasheet
597Kb / 20P
[Old version datasheet]   OCTAL BUS TRANSCEIVERS OCTAL BUS TRANSCEIVERS
SN74ALS620A TI-SN74ALS620A Datasheet
390Kb / 15P
[Old version datasheet]   OCTAL BUS TRANSCEIVERS
logo
Fairchild Semiconductor
DM74ALS645A FAIRCHILD-DM74ALS645A Datasheet
47Kb / 4P
   Octal Bus Transceivers
logo
Texas Instruments
SN54LS620 TI1-SN54LS620_09 Datasheet
511Kb / 10P
[Old version datasheet]   OCTAL BUS TRANSCEIVERS
logo
Motorola, Inc
SN54LS640 MOTOROLA-SN54LS640 Datasheet
118Kb / 3P
   OCTAL BUS TRANSCEIVERS
logo
Texas Instruments
SN54LS620 TI-SN54LS620 Datasheet
284Kb / 8P
[Old version datasheet]   OCTAL BUS TRANSCEIVERS
logo
Unisonic Technologies
U74HC245 UTC-U74HC245_15 Datasheet
238Kb / 5P
   OCTAL BUS TRANSCEIVERS
logo
Texas Instruments
SN54LS638_1999 TI1-SN54LS638_1999 Datasheet
205Kb / 5P
[Old version datasheet]   OCTAL BUS TRANSCEIVERS
SN74ALS638A TI-SN74ALS638A Datasheet
115Kb / 7P
[Old version datasheet]   OCTAL BUS TRANSCEIVERS
logo
Unisonic Technologies
U74AHC245 UTC-U74AHC245_15 Datasheet
227Kb / 5P
   OCTAL BUS TRANSCEIVERS
logo
Texas Instruments
SN54ALS245A TI1-SN54ALS245A_16 Datasheet
1Mb / 22P
[Old version datasheet]   OCTAL BUS TRANSCEIVERS
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16


Datasheet Download

Go To PDF Page


Link URL




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

About Alldatasheet   |   Advertisement   |   Datasheet Upload   |   Contact us   |   Privacy Policy   |   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
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com