Datasheet

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SCLS136D − DECEMBER 1982 − REVISED AUGUST 2003
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range, C
L
= 50 pF (unless
otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
V
CC
T
A
= 25°C SN54HC273 SN74HC273
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V
CC
MIN TYP MAX MIN MAX MIN MAX
UNIT
2 V 5 11 4 4
f
max
4.5 V 27 50 18 21
MHz
f
max
6 V 32 60 21 25
MHz
2 V 55 160 240 200
t
PHL
CLR Any
4.5 V 15 32 48 40
ns
t
PHL
CLR
Any
6 V 12 27 41 34
ns
2 V 56 160 240 200
t
pd
CLK Any
4.5 V 15 32 48 40
ns
t
pd
CLK
Any
6 V 13 27 41 34
ns
2 V 38 75 110 95
t
t
Any
4.5 V 8 15 22 19
ns
t
t
Any
6 V 6 13 19 16
ns
operating characteristics, T
A
= 25°C
PARAMETER TEST CONDITIONS TYP UNIT
C
pd
Power dissipation capacitance per flip-flop No load 35 pF