參數(shù)資料
型號: SN74HC161PWRE4
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 UP BINARY COUNTER, PDSO16
封裝: GREEN, PLASTIC, TSSOP-16
文件頁數(shù): 26/27頁
文件大?。?/td> 886K
代理商: SN74HC161PWRE4
SN54HC161, SN74HC161
4BIT SYNCHRONOUS BINARY COUNTERS
SCLS297D JANUARY 1996 REVISED SEPTEMBER 2003
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range, CL = 50 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
VCC
TA = 25°C
SN54HC161
SN74HC161
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
2 V
6
14
4.2
5
fmax
4.5 V
31
40
21
25
MHz
fmax
6 V
36
44
25
29
MHz
2 V
83
215
325
270
RCO
4.5 V
24
43
65
54
CLK
RCO
6 V
20
37
55
46
CLK
2 V
80
205
310
255
tpd
Any Q
4.5 V
25
41
62
51
ns
tpd
Any Q
6 V
21
35
53
43
ns
2 V
62
195
295
245
ENT
RCO
4.5 V
17
39
59
49
ENT
RCO
6 V
14
33
50
42
2 V
105
210
315
265
Any Q
4.5 V
21
42
63
53
tPHL
CLR
Any Q
6 V
18
36
54
45
ns
tPHL
CLR
2 V
110
220
330
275
ns
RCO
4.5 V
22
44
66
55
RCO
6 V
19
37
56
47
2 V
38
75
110
95
tt
Any
4.5 V
8
15
22
19
ns
tt
Any
6 V
6
13
19
16
ns
operating characteristics, TA = 25°C
PARAMETER
TEST CONDITIONS
TYP
UNIT
Cpd
Power dissipation capacitance
No load
60
pF
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