參數(shù)資料
型號(hào): M74HCT160
廠商: 意法半導(dǎo)體
元件分類: 通用總線功能
英文描述: SYNCHRONOUS PRESETTABLE 4-BIT COUNTER
中文描述: 同步預(yù)置4位計(jì)數(shù)器
文件頁(yè)數(shù): 9/16頁(yè)
文件大?。?/td> 329K
代理商: M74HCT160
AC ELECTRICAL CHARACTERISTICS
(C
L
= 50 pF, Input t
r
= t
f
= 6 ns)
Symbol
Parameter
Test Conditions
Value
-40 to 85
o
C
74HC
Min.
Unit
V
CC
(V)
T
A
= 25
o
C
54HC and 74HC
Min.
Typ.
-55 to 125
o
C
54HC
Min.
Max.
15
Max.
19
Max.
22
t
TLH
t
THL
t
PLH
t
PHL
Output Transition
Time
Propagation
Delay Time
(CK - Q)
Propagation
Delay Time
(CK-CO)
Propagation
Delay Time
(TE-CO)
Propagation
Delay Time
(CLEAR - Q)
Propagation
Delay Time
(CLEAR-CO)
Maximum Clock
Frequency
Minimum Pulse
Width (CK)
Minimum Pulse
Width
(CLEAR)
Minimum Set-up
Time
(LOAD, PE, TE)
Minimum Set-up
Time
(A, B, C, D)
Minimum Set-up
Time
(CLEAR)
Minimum Hold
Time
Minimum
Removal Time
(CLEAR)
Input Capacitance
Power Dissipation
Capacitance
4.5
8
ns
4.5
23
36
45
54
ns
t
PLH
t
PHL
4.5
27
42
53
63
ns
t
PLH
4.5
21
33
41
50
ns
t
PLH
4.5
for
HCT160/161
only
for
HCT160/161
only
26
40
50
60
ns
t
PHL
4.5
28
43
54
65
ns
f
MAX
4.5
31
49
25
21
MHz
t
W(H)
t
W(L)
t
W(L)
4.5
8
15
19
22
ns
4.5
for
HCT160/161
only
8
15
19
22
ns
t
s
4.5
11
20
25
30
ns
t
s
4.5
5
15
19
22
ns
t
s
4.5
for
HCT162/163
only
5
15
19
22
ns
t
h
4.5
5
5
8
ns
t
REM
4.5
for
HCT160/161
only
5
15
19
22
ns
C
IN
5
10
10
10
pF
pF
C
PD
(*)
33
(*) C
PD
isdefined asthe value ofthe IC’sinternal equivalent capactance which is calculated from the operating current consumption without load.
(Refer to Test Circuit).Average operting current can be obtained by thefollowingequation. I
CC
(opr) = C
PD
V
CC
f
IN
+ I
CC
M54/M74HCT160/161/162/163
9/16
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