Datasheet

7
Prerequisite For Switching Specifications
PARAMETER SYMBOL V
CC
(V)
25
o
C -40
o
C TO 85
o
C -55
o
C TO 125
o
C
UNITSMIN MAX MIN MAX MIN MAX
HC TYPES
Maximum Clock Frequency f
MAX
2 6 - 5 - 4 - MHz
4.5 30 - 24 - 20 - MHz
6 35 - 28 - 24 - MHz
MR Pulse Width t
w
2 80 - 100 - 120 - ns
4.5 16 - 20 - 24 - ns
614-17-20-ns
Clock Pulse Width t
w
2 80 - 100 - 120 - ns
4.5 16 - 20 - 24 - ns
614-17-20-ns
Set-up Time, Data to Clock
and E to Clock
t
SU
260-75-90-ns
4.5 12 - 15 - 18 - ns
610-13-15-ns
Hold Time, Data to Clock t
H
23-3-3-ns
4.5 3 - 3 - 3 - ns
63-3-3-ns
Hold Time, E to Clock t
H
20-0-0-ns
4.5 0 - 0 - 0 - ns
60-0-0-ns
Removal Time, MR to Clock t
REM
260-75-90-ns
4.5 12 - 15 - 18 - ns
610-13-15-ns
HCT TYPES
Maximum Clock Frequency f
MAX
4.5 20 - 16 - 13 - MHz
MR Pulse Width t
w
4.5 15 - 19 - 22 - ns
Clock Pulse Width t
w
4.5 25 - 31 - 38 - ns
Set-up Time, E to Clock t
SU
4.5 12 - 15 - 18 - ns
Set-up Time, Data to Clock t
SU
4.5 18 - 23 - 27 - ns
Hold Time, Data to Clock t
H
4.5 0 - 0 - 0 - ns
Hold Time, E to Clock t
H
4.5 0 - 0 - 0 - ns
Removal Time, MR to Clock t
REM
4.5 12 - 15 - 18 - ns
CD54HC173, CD74HC173, CD54HCT173, CD74HCT173