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參數(shù)資料
| 型號： | SN54HC193W |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 300mA, 3.3V ±1% Output Voltage, Low Dropout Voltage Regulator; Package: SOT-223 (TO-261) 4 LEAD; No of Pins: 4; Container: Tape and Reel; Qty per Container: 4000 |
| 中文描述： | 4位同步向上/向下計數(shù)器雙時鐘清除 |
| 文件頁數(shù)： | 6/9頁 |
| 文件大?。?/td> | 143K |
| 代理商： | SN54HC193W |
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
TYP
1.998
SN54HC193
MIN
1.9
SN74HC193
MIN
1.9
UNIT
MIN
1.9
MAX
MAX
MAX
2 V
IOH = –20
μ
A
4.5 V
4.4
4.499
4.4
4.4
VOH
VI = VIH or VIL
6 V
5.9
5.999
5.9
5.9
V
IOH = –4 mA
IOH = –5.2 mA
4.5 V
3.98
4.3
3.7
3.84
6 V
5.48
5.8
5.2
5.34
2 V
0.002
0.1
0.1
0.1
IOL = 20
μ
A
4.5 V
0.001
0.1
0.1
0.1
VOL
VI = VIH or VIL
6 V
0.001
0.1
0.1
0.1
V
IOL = 4 mA
IOL = 5.2 mA
4.5 V
0.17
0.26
0.4
0.33
6 V
0.15
±
0.1
0.26
±
100
0.4
0.33
±
1000
II
ICC
Ci
VI = VCC or 0
VI = VCC or 0,
6 V
±
1000
160
nA
μ
A
pF
IO = 0
6 V
8
80
2 V to 6 V
3
10
10
10
timing requirements over recommended operating free-air temperature range (unless otherwise
noted)
VCC
TA = 25
°
C
MIN
0
SN54HC193
MIN
0
SN74HC193
MIN
0
UNIT
MAX
4.2
MAX
2.8
MAX
3.3
2 V
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
5
5
th
Hold time
Data after LOAD inactive
4.5 V
6 V
5
5
5
5
5
5
ns
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