參數資料
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/向下計數器雙時鐘清除
文件頁數： 7/9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
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range, C
L
= 50 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
VCC
TA = 25
°
C
TYP
SN54HC193
MIN
2.8
SN74HC193
MIN
3.3
UNIT
(OUTPUT)
MIN
4.2
MAX
MAX
MAX
2 V
8
fmax
4.5 V
21
55
14
17
MHz
6 V
24
60
16
19
2 V
75
165
250
205
UP
CO
4.5 V
24
33
50
41
6 V
20
28
43
35
2 V
75
165
250
205
DOWN
BO
4.5 V
24
33
50
41
td
tpd
6 V
20
28
43
35
ns
2 V
190
250
375
315
UP or DOWN
Any Q
4.5 V
40
50
75
63
6 V
35
43
64
54
2 V
190
260
390
325
LOAD
Any Q
4.5 V
40
52
78
65
6 V
35
44
66
55
2 V
170
240
360
300
tPHL
CLR
Any Q
4.5 V
36
48
72
60
ns
6 V
31
41
61
51
2 V
38
75
110
95
tt
Any
4.5 V
6 V
8
6
15
13
22
19
19
16
ns
operating characteristics, T
A
= 25
°
C
PARAMETER
TEST CONDITIONS
TYP
UNIT
Cpd
Power dissipation capacitance
No load
50
pF
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