參數(shù)資料
型號(hào): M54HC191
廠商: 意法半導(dǎo)體
元件分類: 通用總線功能
英文描述: 4 Bit Synchronous Up/Down Counters(4位同步加/減計(jì)數(shù)器)
中文描述: 4位同步加/減計(jì)數(shù)器(4位同步加/減計(jì)數(shù)器)
文件頁(yè)數(shù): 7/14頁(yè)
文件大小: 298K
代理商: M54HC191
DC SPECIFICATIONS
Symbol
Parameter
Test Conditions
Value
-40 to 85
o
C
74HC
Min.
1.5
3.15
4.2
Unit
V
CC
(V)
T
A
= 25
o
C
54HC and 74HC
Min.
Typ.
1.5
3.15
4.2
-55 to 125
o
C
54HC
Min.
1.5
3.15
4.2
Max.
Max.
Max.
V
IH
High Level Input
Voltage
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
4.5
6.0
2.0
4.5
6.0
4.5
6.0
V
V
IL
Low Level Input
Voltage
0.5
1.35
1.8
0.5
1.35
1.8
0.5
1.35
1.8
V
V
OH
High Level
Output Voltage
V
I
=
V
IH
or
V
IL
I
O
=-20
μ
A
1.9
4.4
5.9
4.18
5.68
2.0
4.5
6.0
4.31
5.8
0.0
0.0
0.0
0.17
0.18
1.9
4.4
5.9
4.13
5.63
1.9
4.4
5.9
4.10
5.60
V
I
O
=-4.0 mA
I
O
=-5.2 mA
V
OL
Low Level Output
Voltage
V
I
=
V
IH
or
V
IL
I
O
= 20
μ
A
0.1
0.1
0.1
0.26
0.26
±
0.1
0.1
0.1
0.1
0.33
0.33
±
1
0.1
0.1
0.1
0.40
0.40
±
1
V
I
O
= 4.0 mA
I
O
= 5.2 mA
I
I
Input Leakage
Current
Quiescent Supply
Current
6.0
V
I
= V
CC
or GND
μ
A
I
CC
6.0
V
I
= V
CC
or GND
4
40
80
μ
A
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.
30
-55 to 125
o
C
54HC
Min.
Max.
75
15
13
180
36
31
120
24
20
240
48
41
205
41
35
Max.
95
19
16
225
45
38
150
30
26
300
60
51
255
51
43
Max.
110
22
19
270
54
46
180
36
31
360
72
61
310
62
53
t
TLH
t
THL
Output Transition
Time
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
ns
8
7
t
PLH
t
PHL
Propagation
Delay Time
(CLOCK - Q)
92
23
20
39
13
11
120
30
26
108
27
23
ns
t
PLH
t
PHL
Propagation
Delay Time
(CLOCK - RCO)
ns
t
PLH
t
PHL
Propagation Delay
Time (CLOCK -
MAX/MIN)
ns
t
PLH
t
PHL
Propagation
Delay Time
(LOAD - Q)
ns
M54/M74HC190/191
7/14
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