MM54HCT193 National, MM54HCT193 Datasheet - Page 3

• Manufacturer Part Number: MM54HCT193
• Description: Synchronous Binary Up/Down Counters
• Manufacturer: National

f
t
t
t
t
t
t
t
t
t
t
t
t
t
t
C
C
Symbol
MAX
PLH PHL
PLH PHL
PLH PHL
PLH PHL
PLH PHL
PLH PHL
W
S
H
REM
REM
W
W
TLH THL
PD
IN
AC Electrical Characteristics
(Note 6) V
f
t
t
t
t
t
t
AC Electrical Characteristics
V
Note 5 C
Note 6 Refer to Section 1 for Typical MM54 74HCT AC Switchforms and Test Circuits
Symbol
MAX
PLH PHL
PLH PHL
PLH PHL
PLH PHL
PLH PHL
PLH PHL
CC
e
PD
5V
Maximum Clock Frequency
Maximum Propagation
Delay Time
Maximum Propagation
Delay Time
Maximum Propagation
Delay Time
Maximum Propagation
Delay Time
Maximum Propagation
Delay Time
Maximum Propagation
Delay Time
Minimum Clock
Pulse Width
Minimum Setup Time Data
before Load-LH
Minimum Hold Time Data
after Load-LH
Minimum Removal Time
Load to Count
Minimum Removal Time
Clear to Count
Minimum Load
Pulse Width
Minimum Clear
Pulse Width
Output Rise or Fall Time
Power Dissipation
Capacitance
Maximum Input Capacitance
determines the no load dynamic power consumption P
CC
g
e
10% C
Maximum Clock
Frequency
Maximum Propagation
Delay Time
Maximum Propagation
Delay Time
Maximum Propagation
Delay Time
Maximum Propagation
Delay Time
Maximum Propagation
Delay Time
Maximum Propagation
Delay Time
5V T
Parameter
Parameter
L
A
e
e
50 pF (unless otherwise specified)
25 C C
L
e
Count-Up
Count-Up
or -Down
15 pF t
(Input)
Data A
Count-
From
Down
Clear
Load
Count-Up
Count-Up
Count-Dn
or -Down
Data A
B C D
(Input)
From
Clear
Load
r
(Note 6)
e
(Output)
QC QD
QA QB
QA QB
QC QD
QC QD
QC QD
QA QB
QA QB
Borrow
t
Carry
f
D
To
e
e
C
6 ns (unless otherwise specified)
PD
(Output)
QA QB
QA QB
QA QB
QA QB
QC QD
QC QD
QC QD
QC QD
V
Borrow
Carry
CC
T
To
3
2
e
Typ
b
b
f
32
29
28
30
25
25
28
16
18
10
40
a
25 C T
2
8
5
3
2
I
CC
V
CC
e
and the no load dynamic current consumption I
Conditions
20
44
40
43
30
30
35
25
20
20
20
15
10
5
5
5
25 C
T
eb
Guaranteed Limits
74HC
40 to 85 C T
16
55
50
54
38
38
44
31
25
25
25
19
10
6
6
6
Typ
35
26
25
26
22
22
25
Guaranteed
eb
Limit
55 to 125 C Units
54HC
13
66
60
65
45
45
53
38
30
30
30
22
10
8
8
8
s
e
C
PD
V
CC
Units
f
MHz
a
ns
ns
ns
ns
ns
ns
MHz
I
CC
pF
pF
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns