參數(shù)資料
型號: IN74HC161A
廠商: INTEGRAL JOINT STOCK COMPANY
元件分類: 通用總線功能
英文描述: PRESETTABLE COUNTERS
中文描述: 預置計數(shù)器
文件頁數(shù): 4/9頁
文件大小: 189K
代理商: IN74HC161A
IN74HC161A
4
AC ELECTRICAL CHARACTERISTICS
(C
L
=50pF,Input t
r
=t
f
=6.0 ns)
Symbol
Parameter
V
CC
V
Guaranteed Limit
25
°
C
to
-55
°
C
6
30
35
28
120
20
16
20
145
22
18
20
145
20
17
19
110
16
14
15
85
°
C
125
°
C
Unit
f
max
Maximum Clock Frequency (Figures 1,6)
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
5
24
4
20
24
200
28
22
320
30
23
220
25
21
190
20
17
MHz
t
PLH
Maximum Propagation Delay Clock to Q
(Figures 1,6)
160
23
ns
t
PHL
185
25
ns
t
PHL
Maximum Propagation Delay Reset to Q
(Figures 2 and 6)
185
22
ns
t
PLH
Maximum Propagation Delay Enable T to
Ripple Carry Out
(Figures 3,6)
150
18
ns
t
PHL
2.0
4.5
6.0
2.0
4.5
6.0
135
18
15
120
22
18
175
20
16
160
27
22
210
22
20
200
30
25
ns
t
PLH
Maximum Propagation Delay Clock to
Ripple
Carry Out (Figures 1,6)
ns
t
PHL
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
-
145
22
20
155
22
18
75
15
13
10
185
28
24
190
26
22
95
19
16
10
220
35
28
230
30
25
110
22
19
10
ns
t
PHL
Maximum Propagation Delay Reset to
Ripple Carry Out (Figures 2,6)
ns
t
TLH
, t
THL
Maximum Output Transition Time, Any
Output
(Figures 1 and 6)
C
IN
Maximum Input Capacitance
ns
pF
Power Dissipation Capacitance (Per
Gate)
Used to determine the no-load dynamic
power
P
D
=C
PD
V
CC
Typical @25
°
C,V
CC
=5.0 V
C
PD
consumption:
2
f+I
CC
V
CC
30
pF
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