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參數(shù)資料
| 型號： | SN54HC193FK |
| 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, LCC-20 |
| 文件頁數(shù)： | 9/12頁 |
| 文件大?。?/td> | 226K |
| 代理商： | SN54HC193FK |
SN54HC193, SN74HC193
4-BIT SYNCHRONOUS UP/DOWN COUNTERS
(DUAL CLOCK WITH CLEAR)
SCLS122B – DECEMBER 1982 – REVISED MAY 1997
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
TA = 25°C
SN54HC193
SN74HC193
UNIT
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
2 V
1.9
1.998
1.9
IOH = –20 A
4.5 V
4.4
4.499
4.4
VOH
VI = VIH or VIL
6 V
5.9
5.999
5.9
V
IOH = –4 mA
4.5 V
3.98
4.3
3.7
3.84
IOH = –5.2 mA
6 V
5.48
5.8
5.2
5.34
2 V
0.002
0.1
IOL = 20 A
4.5 V
0.001
0.1
VOL
VI = VIH or VIL
6 V
0.001
0.1
V
IOL = 4 mA
4.5 V
0.17
0.26
0.4
0.33
IOL = 5.2 mA
6 V
0.15
0.26
0.4
0.33
II
VI = VCC or 0
6 V
±0.1
±100
±1000
nA
ICC
VI = VCC or 0,
IO = 0
6 V
8
160
80
A
Ci
2 V to 6 V
3
10
pF
timing requirements over recommended operating free-air temperature range (unless otherwise
noted)
VCC
TA = 25°C
SN54HC193
SN74HC193
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
CLR high
4.5 V
24
36
30
6 V
21
31
26
2 V
120
180
150
tw
Pulse duration
LOAD low
4.5 V
24
36
30
ns
6 V
21
31
26
2 V
120
180
150
UP or DOWN high or low
4.5 V
24
36
30
6 V
21
31
26
2 V
110
165
140
Data before LOAD inactive
4.5 V
22
33
28
6 V
19
28
24
↑
2 V
110
165
140
tsu
Setup time
CLR inactive before UP
↑ or DOWN↑
4.5 V
22
33
28
ns
6 V
19
28
24
↑
2 V
110
165
140
LOAD inactive before UP
↑ or DOWN↑
4.5 V
22
33
28
6 V
19
28
24
2 V
5
th
Hold time
Data after LOAD inactive
4.5 V
5
ns
6 V
5
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