Datasheet
SCLS133E − DECEMBER 1982 − REVISED SEPTEMBER 2003
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
V
CC
T
A
= 25°C SN54HC253 SN74HC253
UNIT
PARAMETER
TEST CONDITIONS
V
CC
MIN TYP MAX MIN MAX MIN MAX
UNIT
2 V 1.9 1.998 1.9 1.9
I
OH
= −20 µA
4.5 V 4.4 4.499 4.4 4.4
V
OH
V
I
= V
IH
or V
IL
I
OH
= −20 µA
6 V 5.9 5.999 5.9 5.9
V
V
OH
V
I
= V
IH
or V
IL
I
OH
= −6 mA 4.5 V 3.98 4.3 3.7 3.84
V
I
OH
= −7.8 mA 6 V 5.48 5.8 5.2 5.34
2 V 0.002 0.1 0.1 0.1
I
OL
= 20 µA
4.5 V 0.001 0.1 0.1 0.1
V
OL
V
I
= V
IH
or V
IL
I
OL
= 20 µA
6 V 0.001 0.1 0.1 0.1
V
V
OL
V
I
= V
IH
or V
IL
I
OL
= 6 mA 4.5 V 0.17 0.26 0.4 0.33
V
I
OL
= 7.8 mA 6 V 0.15 0.26 0.4 0.33
I
I
V
I
= V
CC
or 0 6 V ±0.1 ±100 ±1000 ±1000 nA
I
OZ
V
O
= V
CC
or 0 6 V ±0.01 ±0.5 ±10 ±5 µA
I
CC
V
I
= V
CC
or 0, I
O
= 0 6 V 8 160 80 µA
C
i
2 V to 6 V 3 10 10 10 pF
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 SN54HC253 SN74HC253
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V
CC
MIN TYP MAX MIN MAX MIN MAX
UNIT
2 V 62 150 225 190
A or B Any Y
4.5 V 19 30 45 38
t
pd
A or B
Any Y
6 V 16 26 38 32
ns
t
pd
Data
2 V 54 126 210 175
ns
Data
(Any C)
Y
4.5 V 16 28 42 35
(Any C)
Y
6 V 13 23 36 30
2 V 28 100 150 125
t
en
OE Y
4.5 V 11 20 30 25
ns
t
en
OE
Y
6 V 9 17 26 21
ns
2 V 21 135 203 170
t
dis
OE Y
4.5 V 14 30 45 38
ns
t
dis
OE
Y
6 V 12 35 38 31
ns
2 V 28 60 90 75
t
t
Y
4.5 V 8 12 18 15
ns
t
t
Y
6 V 6 10 15 13
ns