Datasheet

5
Rt
WL
2 100 - - 125 - - 150 - 150 ns
4.5 20 - - 25 - - 30 - 30 ns
6 17 - - 21 - - 26 - 26 ns
A and B Hold Time t
H
2 50 - - 65 - - 75 - 75 ns
4.5 10 - - 13 - - 15 - 15 ns
6 9 - - 11 - - 13 - 13 ns
Reset Removal Time t
REM
2 50 - - 65 - - 75 - 75 ns
4.5 10 - - 13 - - 15 - 15 ns
6 9 - - 11 - - 13 - 13 ns
Retrigger Time Number t
rT
5---------ns
R
X
= 10KΩ, C
X
= 0 - 50 - - 63 - - 76 - ns
Output Pulse Width t
W
5
Q or Q
R
X
= 10KΩ,C
X
= 10nF 40 - 50 38.7 - 51.3 38.2 - 51.8 µs
HCT TYPES
Minimum Input,
Pulse Width t
WL
5
-
A20--25--30--ns
Bt
WH
20 - - 25 - - 30 - - ns
Rt
WL
20 - - 25 - - 30 - - ns
A and B Hold Time t
H
510- -13- -15- -ns
Reset Removal Time t
REM
510- -13- -15 -ns
Retrigger Time Number
(Note 3)
R
X
= 10KΩ, C
X
= 0 t
rT
5 - 50 - - 63 - - 76 - ns
Output Pulse Width Q or Q t
W
5 40 - 50 38.7 - 51.3 38.2 - 51.8 µs
R
X
= 10KΩ,C
X
= 10nF
NOTE:
3. Time to trigger depends on the values of R
X
and C
X
. The output pulse width can only be extended when the time between the active-
going edges of the trigger input pulses meet the minimum retrigger time requirement.
Prerequisite for Switching Specifications (Continued)
PARAMETER SYMBOL V
CC
(V)
25
o
C -40
o
C TO 85
o
C -55
o
C TO 125
o
C
UNITSMIN TYP MAX MIN TYP MAX MIN TYP MAX
CD54/74HC123, CD54/74HCT123, CD74HC423, CD74HCT423