參數(shù)資料
型號： SN54HC191FK
廠商： TEXAS INSTRUMENTS INC
元件分類： 計(jì)數(shù)器
英文描述： HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, CQCC20
封裝： CERAMIC, CC-20
文件頁數(shù)： 11/13頁
文件大?。?/td> 203K
代理商： SN54HC191FK
SN54HC191, SN74HC191
4-BIT SYNCHRONOUS UP/DOWN BINARY COUNTERS
SCLS121B – DECEMBER 1982 – REVISED MAY 1997
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
timing requirements over recommended operating free-air temperature range (unless otherwise
noted)
VCC
TA = 25°C
SN54HC191
SN74HC191
UNIT
VCC
MIN
MAX
MIN
MAX
MIN
MAX
UNIT
2 V
0
4.2
0
2.8
0
3.3
fclock
Clock frequency
4.5 V
0
21
0
14
0
17
MHz
6 V
0
24
0
16
0
19
2 V
120
180
150
LOAD low
4.5 V
24
36
30
t
Pulse duration
6 V
21
31
26
ns
tw
Pulse duration
2 V
120
180
150
ns
CLK high or low
4.5 V
24
36
30
6 V
21
31
26
↑
2 V
150
230
188
Data before LOAD
↑
4.5 V
30
46
38
6 V
25
38
32
↑
2 V
205
306
255
CTEN before CLK
↑
4.5 V
41
61
51
t
Setup time
6 V
35
53
44
ns
tsu
Setup time
↑
2 V
205
306
255
ns
D/U before CLK
↑
4.5 V
41
61
51
6 V
35
53
44
↑
2 V
150
225
190
LOAD inactive before CLK
↑
4.5 V
30
45
38
6 V
25
38
32
↑
2 V
5
Data after LOAD
↑
4.5 V
5
6 V
5
↑
2 V
5
th
Hold time
CTEN after CLK
↑
4.5 V
5
ns
6 V
5
↑
2 V
5
D/U after CLK
↑
4.5 V
5
6 V
5
相關(guān)PDF資料
PDF描述
SN54HC191W HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, CDFP16
SN54HC191J HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, CDIP16
SN54HC193FK HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, CQCC20
SN54HC193J HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, CDIP16
SN74HC193NSR HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDSO16
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SN54HC191J 制造商:Texas Instruments 功能描述:Counter Single 4-Bit Async Binary UP/Down 16-Pin CDIP Tube 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:COUNTER SGL 4BIT ASYNC BINARY UP/DOWN 16CDIP - Rail/Tube
SN54HC193J 制造商:Texas Instruments 功能描述:Counter Single 4-Bit Binary UP/Down 16-Pin CDIP Tube 制造商:Texas Instruments 功能描述:COUNTER SGL 4BIT BINARY UP/DOWN 16CDIP - Rail/Tube
SN54HC193W 制造商:Texas Instruments 功能描述:
SN54HC194J 制造商:Rochester Electronics LLC 功能描述:- Bulk
SN54HC195J 制造商:Texas Instruments 功能描述:Shift Register Single 4-Bit Serial/Parallel to Parallel 16-Pin CDIP Tube 制造商:Rochester Electronics LLC 功能描述:- Bulk
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