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MM74HC393 Datasheet(PDF) 3 Page - Fairchild Semiconductor

Part No. MM74HC393
Description  Dual 4-Bit Binary Counter
Download  8 Pages
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Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

MM74HC393 Datasheet(HTML) 3 Page - Fairchild Semiconductor

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AC Electrical Characteristics
VCC = 5V, TA = 25°C, CL = 15 pF, tr = tf = 6 ns
AC Electrical Characteristics
CL = 50 pF, tr = tf = 6 ns (unless otherwise specified)
Note 5: CPD determines the no load dynamic power consumption, PD = CPD VCC
2f
+ I
CC VCC, and the no load dynamic current consumption,
IS = CPD VCCf + ICC.
Symbol
Parameter
Conditions
Typ
Guaranteed
Units
Limit
fMAX
Maximum Operating Frequency
50
30
MHz
tPHL, tPLH
Maximum Propagation Delay, Clock A to QA
13
20
ns
tPHL, tPLH
Maximum Propagation Delay, Clock A to QB
19
35
ns
tPHL, tPLH
Maximum Propagation Delay, Clock A to QC
23
42
ns
tPHL, tPLH
Maximum Propagation Delay, Clock A to QD
27
50
ns
tPHL
Maximum Propagation Delay, Clear to any
Q
15
28
ns
tREM
Minimum Removal Time
−25
ns
tW
Minimum Pulse Width Clear or Clock
10
16
ns
Symbol
Parameter
Conditions
VCC
TA = 25°CTA = −40 to 85°CTA = −55 to 125°C
Units
Typ
Guaranteed Limits
fMAX
Maximum Operating
2.0V
5
4
3
Frequency
4.5V
27
21
18
MHz
6.0V
31
24
20
MHz
tPHL, tPLH Maximum Propagation
2.0V
45
120
150
180
ns
Delay Clock A to QA
4.5V
15
24
30
35
ns
6.0V
13
21
26
31
ns
tPHL, tPLH Maximum Propagation
2.0V
68
190
240
285
ns
Delay Clock A to QB
4.5V
23
38
47
57
ns
6.0V
20
32
40
48
ns
tPHL, tPLH Maximum Propagation
2.0V
90
240
300
360
ns
Delay Clock A to QC
4.5V
30
48
60
72
ns
6.0V
26
41
51
61
ns
tPHL, tPLH Maximum Propagation Delay
2.0V
100
290
360
430
ns
Clock to QD
4.5V
35
58
72
87
ns
6.0V
30
50
62
75
ns
tPHL
Maximum Propagation
2.0V
54
165
210
250
ns
Delay Clear to any Q
4.5V
18
33
41
49
ns
6.0V
15
28
35
42
ns
tREM
Minimum Clear
2.0V
25
25
25
ns
Removal Time
4.5V
5
5
5
ns
6.0V
5
5
5
ns
tW
Minimum Pulse Width
2.0V
30
80
100
120
ns
Clear or Clock
4.5V
10
16
20
24
ns
6.0V
9
14
18
20
ns
tTHL, tTLH Maximum Output
2.0V
30
75
95
110
ns
Rise and Fall Time
4.5V
8
15
19
22
ns
6.0V
7
13
16
19
ns
tr, tf
Maximum Input
1000
1000
1000
ns
Rise and Fall Time
500
500
500
ns
400
400
400
ns
CPD
Power Dissipation
(per counter)
42
pF
Capacitance (Note 5)
CIN
Maximum Input Capacitance
5
10
10
10
pF


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