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

X  

CD74HC190NSR 数据表(PDF) 2 Page - Texas Instruments

Click here to check the latest version.
部件名 CD74HC190NSR
功能描述  SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL
Download  26 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

CD74HC190NSR 数据表(HTML) 2 Page - Texas Instruments

  CD74HC190NSR Datasheet HTML 1Page - Texas Instruments CD74HC190NSR Datasheet HTML 2Page - Texas Instruments CD74HC190NSR Datasheet HTML 3Page - Texas Instruments CD74HC190NSR Datasheet HTML 4Page - Texas Instruments CD74HC190NSR Datasheet HTML 5Page - Texas Instruments CD74HC190NSR Datasheet HTML 6Page - Texas Instruments CD74HC190NSR Datasheet HTML 7Page - Texas Instruments CD74HC190NSR Datasheet HTML 8Page - Texas Instruments CD74HC190NSR Datasheet HTML 9Page - Texas Instruments Next Button
Zoom Inzoom in Zoom Outzoom out
 2 / 26 page
background image
CD54HC190, CD74HC190
CD54HC191, CD74HC191, CD54HCT191, CD74HCT191
SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL
SCHS275E − MARCH 2002 − REVISED OCTOBER 2003
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
description/ordering information (continued)
When an overflow or underflow of the counter occurs, the MAX/MIN output, which is low during counting, goes
high and remains high for one clock cycle. This output can be used for look-ahead carry in high-speed cascading
(see Figure 1). The MAX/MIN output also initiates the ripple clock (RCO) output, which normally is high, goes
low, and remains low for the low-level portion of the clock pulse. These counters can be cascaded using RCO
(see Figure 2).
If a decade counter is preset to an illegal state or assumes an illegal state when power is applied, it returns to
the normal sequence in one or two counts, as shown in the state diagrams (see Figure 3).
FUNCTION TABLE
INPUTS
FUNCTION
LOAD
CTEN
D/U
CLK
FUNCTION
H
L
L
Count up
H
L
H
Count down
L
X
X
X
Asynchronous preset
H
H
X
X
No change
D/U or CTEN should be changed only when clock is high.
X = Don’t care
Low-to-high clock transition


类似零件编号 - CD74HC190NSR

制造商部件名数据表功能描述
logo
Texas Instruments
CD74HC190NSR TI1-CD74HC190NSR Datasheet
1Mb / 31P
[Old version datasheet]   SYNCHORONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL
More results

类似说明 - CD74HC190NSR

制造商部件名数据表功能描述
logo
Texas Instruments
SN54190 TI-SN54190 Datasheet
512Kb / 14P
[Old version datasheet]   SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL
SN54190 TI1-SN54190_13 Datasheet
1Mb / 16P
[Old version datasheet]   SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL
CD54HC190 TI1-CD54HC190_15 Datasheet
1Mb / 31P
[Old version datasheet]   SYNCHORONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL
logo
National Semiconductor ...
MM54HC190 NSC-MM54HC190 Datasheet
202Kb / 8P
   MM54HC190/MM74HC190 Synchronous Decade Up/Down Counters with Mode Control MM54HC191/MM74HC191 Synchronous Binary Up/Down Counters with Mode Control
DM54LS190 NSC-DM54LS190 Datasheet
174Kb / 8P
   Synchronous 4-Bit Up/Down Counters with Mode Control
MM54HC192 NSC-MM54HC192 Datasheet
180Kb / 8P
   Synchronous Decade Up/Down Counters Synchronous Binary Up/Down Counters
logo
Hitachi Semiconductor
HD74LS668 HITACHI-HD74LS668 Datasheet
103Kb / 7P
   Synchronous Up/Down Decade Counters
logo
National Semiconductor ...
MM54HCT193 NSC-MM54HCT193 Datasheet
117Kb / 8P
   Synchronous Binary Up/Down Counters
January 1988
logo
Microsemi Corporation
TSC373 MICROSEMI-TSC373 Datasheet
1Mb / 4P
   Up-Down Counters
logo
Texas Instruments
SN54LS668 TI-SN54LS668 Datasheet
481Kb / 12P
[Old version datasheet]   SYNCHRONOUS 4-BIT UP/DOWN COUNTERS
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26


数据表 下载

Go To PDF Page


链接网址




隐私政策
ALLDATASHEETCN.COM
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   |   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