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參數(shù)資料
| 型號(hào)： | MM54HC4538J |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 諧振器 |
| 英文描述： | HC/UH SERIES, DUAL MONOSTABLE MULTIVIBRATOR, CDIP16 |
| 封裝： | CERAMIC, DIP-16 |
| 文件頁(yè)數(shù)： | 5/10頁(yè) |
| 文件大小： | 199K |
| 代理商： | MM54HC4538J |
DC Electrical Characteristics (Note 4) (Continued)
Clear
A
B
1.
H
L
H
2.
H
3.
H
L
H
Note 6: VIL limits are currently tested at 20% of VCC. The above VIL specification (30% of VCC) will be implemented no later than Q1, CY’89.
AC Electrical Characteristics
V
CC=5V, TA=25 C, CL=15 pF, tr=tf=6ns
Symbol
Parameter
Conditions
Typ
Limit
Units
t
PLH
Maximum Propagation Delay A, or B to Q
23
45
ns
t
PHL
Maximum Propagation Delay A, or B to Q
26
50
ns
t
PHL
Maximum Propagation Delay Clear to Q
23
45
ns
t
PLH
Maximum Propagation Delay Clear to Q
26
50
ns
t
W
Minimum Pulse Width A, B or Clear
10
16
ns
AC Electrical Characteristics
C
L=50 pF, tr=tf=6 ns (unless otherwise specified)
TA=25C
74HC
54HC
Symbol
Parameter
Conditions
VCC
TA=40 to 85C
TA=55 to 125C
Units
Typ
Guaranteed Limits
tPLH
Maximum Propagation
2.0V
100
250
315
373
ns
Delay A, or B to Q
4.5V
25
50
63
75
ns
6.0V
43
54
63
ns
tPHL
Maximum Propagation
2.0V
110
275
347
410
ns
Delay A, or B to Q
4.5V
28
55
69
82
ns
6.0V
23
47
59
70
ns
tPHL
Maximum Propagation
2.0V
100
250
315
373
ns
Delay Clear to Q
4.5V
25
50
63
75
ns
6.0V
21
43
54
63
ns
tPLH
Maximum Propagation
2.0V
110
275
347
410
ns
Delay Clear to Q
4.5V
28
55
69
82
ns
6.0V
23
47
59
70
ns
tTLH,tTHL
Maximum Output
2.0V
30
75
95
110
ns
Rise and Fall
4.5V
10
15
19
22
ns
Time
6.0V
8
13
16
19
ns
tr,tf
Maximum Input
2.0V
1000
ns
Rise and Fall
4.5V
500
ns
Time (Reset only)
6.0V
400
ns
tW
Minimum Pulse Width
2.0V
80
101
119
ns
A, B, Clear
4.5V
16
20
24
ns
6.0V
14
17
20
ns
tREC
Minimum Recovery
2.0V
5
0
ns
Time, Clear
4.5V
0
ns
Inactive to A or B
6.0V
0
ns
tWQ
Output Pulse Width
CX=12 pF
Min
3.0V
283
190
ns
RX=1k
5.0V
147
120
ns
Max
3.0V
283
400
ns
5.0V
147
185
ns
tWQ
Output Pulse Width
CX=100 pF
Min
3.0V
1.2
s
RX=10 k
5.0V
1.0
s
Max
3.0V
1.2
s
5.0V
1.0
s
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