Datasheet

6
Prerequisite For Switching Specifications
PARAMETER SYMBOL
TEST
CONDITIONS
V
CC
(V)
25
o
C -40
o
C TO 85
o
C -55
o
C TO 125
o
C
UNITSMIN TYP MAX MIN MAX MIN MAX
HC TYPES
Maximum CP Frequency
(Note 6)
f
MAX
- 2 6 - - 5 - 4 - MHz
4.5 30 - - 24 - 20 - MHz
6 35 - - 28 - 24 - MHz
CP Width (Low) t
W(L)
- 2 80 - - 100 - 120 - ns
4.5 16 - - 20 - 24 - ns
6 14 - - 17 - 20 - ns
MR Pulse Width (161) t
W
- 2 100 - - 125 - 150 - ns
4.5 20 - - 25 - 30 - ns
6 17 - - 21 - 26 - ns
Setup Time, Pn to CP t
SU
- 2 60 - - 75 - 90 - ns
4.5 12 - - 15 - 18 - ns
6 10 - - 13 - 15 - ns
Setup Time, PE or TE to CP t
SU
- 2 50 - - 65 - 75 - ns
4.5 10 - - 13 - 15 - ns
6 9 - - 11 - 13 - ns
Setup Time, SPE to CP t
SU
- 2 60 - - 75 - 90 - ns
4.5 12 - - 15 - 18 - ns
6 10 - - 13 - 15 - ns
Setup Time, MR to CP (163) t
SU
- 2 65 - - 80 - 100 - ns
4.5 13 - - 16 - 20 - ns
6 11 - - 14 - 17 - ns
Hold Time, PN to CP t
H
-23--3-3-ns
4.5 3 - - 3 - 3 - ns
63--3-3-ns
Hold Time, TE or PE to CP t
H
-20--0-0-ns
4.5 0 - - 0 - 0 - ns
60--0-0-ns
Hold Time, SPE to CP t
H
-20--0-0-ns
4.5 0 - - 0 - 0 - ns
60--0-0-ns
Recovery Time, MR to CP (161) t
REC
- 2 75 - - 95 - 110 - ns
4.5 15 - - 19 - 22 - ns
6 13 - - 16 - 19 - ns
CD54/74HC161, CD54/74HCT161, CD54/74HC163, CD54/74HCT163