Datasheet
SCLS086F − DECEMBER 1982 − REVISED AUGUST 2003
4
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 SN54HC20 SN74HC20
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V
CC
MIN TYP MAX MIN MAX MIN MAX
UNIT
2 V 45 110 165 140
t
pd
A, B, C, or D Y
4.5 V 14 22 33 28
ns
t
pd
A, B, C, or D
Y
6 V 11 19 28 24
ns
2 V 27 75 110 95
t
t
Y
4.5 V 9 15 22 19
ns
t
t
Y
6 V 7 13 19 16
ns
operating characteristics, T
A
= 25°C
PARAMETER TEST CONDITIONS TYP UNIT
C
pd
Power dissipation capacitance No load 25 pF