数据搜索系统，热门电子元器件搜索
  Chinese  ▼
ALLDATASHEETCN.COM

X  

预览 PDF HTML

74LS168 数据表(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部件名 74LS168
功能描述  54LS168 Synchronous Bi-Directional BCD Decade Counter
PDF  6 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

74LS168 数据表(HTML) 3 Page - National Semiconductor (TI)

  74LS168 Datasheet HTML 1Page - National Semiconductor (TI) 74LS168 Datasheet HTML 2Page - National Semiconductor (TI) 74LS168 Datasheet HTML 3Page - National Semiconductor (TI) 74LS168 Datasheet HTML 4Page - National Semiconductor (TI) 74LS168 Datasheet HTML 5Page - National Semiconductor (TI) 74LS168 Datasheet HTML 6Page - National Semiconductor (TI)  
Zoom Inzoom in Zoom Outzoom out
 3 / 6 page
background image
Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(Note 1)
VI
Input Clamp Voltage
VCC e Min II eb18 mA
b
15
V
VOH
High Level Output Voltage
VCC e Min IOH e Max
25
V
VIL e Max VIH e Min
VOL
Low Level Output Voltage
VCC e Min IOL e Max
04
V
VIH e Min VIL e Max
II
Input Current
Max
VCC e Max VI e 100V
01
mA
Input Voltage
IIH
High Level Input Current
VCC e Max VI e 27V
Inputs
20
m
A
CET
40
IIL
Low Level Input Current
VCC e Max VI e 05V
Data
b
05
b
400
CP PE UD CEP
b
30
b
400
m
A
CET
b
60
b
800
IOS
Short Circuit Output Current
VCC e Max (Note 2)
b
20
b
100
mA
ICC
Supply Current
VCC e Max (Note 3)
34
mA
Note 1
All typicals are at VCC e 5V TA e 25 C
Note 2
Not more than one output should be shorted at a time and the duration should not exceed one second
Note 3
ICC is measured with all outputs open and all inputs grounded
Switching Characteristics
VCC ea50V TA ea25 C (See Section 1 for test waveforms and output load)
54LS168
Symbol
Parameter
CL e 15 pF
Units
Min
Max
fMax
Maximum Clock Frequency
25
MHz
tPLH
Propagation Delay
20
ns
tPHL
CP to Qn
20
tPLH
Propagation Delay
30
ns
tPHL
CP to TC
30
tPLH
Propagation Delay
15
ns
tPHL
CET to TC
20
tPLH
Propagation Delay
25
ns
tPHL
UD to TC
25
3



Html Pages

1 2 3 4 5 6


数据表 下载

Go To PDF Page


链接网址



ALLDATASHEET是否为您带来帮助?  [ DONATE ] 

关于 Alldatasheet   |   广告服务   |   联系我们   |   隐私政策   |   数据表链接    |   链接交换   |   制造商名单
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