Datasheet

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   
SCAS535C − SEPTEMBER 1995 − REVISED OCTOBER 2003
3
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 SN54ACT08 SN74ACT08
UNIT
PARAMETER
TEST CONDITIONS
V
CC
MIN TYP MAX MIN MAX MIN MAX
UNIT
I
OH
= −50 A
4.5 V 4.4 4.49 4.4 4.4
I
OH
= −50 µA
5.5 V 5.4 5.49 5.4 5.4
V
OH
I
OH
= −24 mA
4.5 V 3.86 3.7 3.76
V
V
OH
I
OH
= −24 mA
5.5 V 4.86 4.7 4.76
V
I
OH
= −50 mA
†
5.5 V 3.85
I
OH
= −75 mA
†
5.5 V 3.85
I
OL
= 50 A
4.5 V 0.001 0.1 0.1 0.1
I
OL
= 50 µA
5.5 V 0.001 0.1 0.1 0.1
V
OL
I
OL
= 24 mA
4.5 V 0.36 0.5 0.44
V
V
OL
I
OL
= 24 mA
5.5 V 0.36 0.5 0.44
V
I
OL
= 50 mA
†
5.5 V 1.65
I
OL
= 75 mA
†
5.5 V 1.65
I
I
V
I
= V
CC
or GND 5.5 V "0.1 "1 "1 µA
I
CC
V
I
= V
CC
or GND, I
O
= 0 5.5 V 2 80 20 µA
DI
CC
‡
One input at 3.4 V,
Other inputs at GND or V
CC
5.5 V 0.6 1.6 1.5 mA
C
i
VI = V
CC
or GND 5 V 4.5 pF
†
Not more than one output should be tested at a time, and the duration of the test should not exceed 2 ms.
‡
This is the increase in supply current for each input that is at one of the specified TTL voltage levels, rather than 0 V or V
CC
.
switching characteristics over recommended operating free-air temperature range,
V
CC
= 5 V " 0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
T
A
= 25°C SN54ACT08 SN74ACT08
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
MIN TYP MAX MIN MAX MIN MAX
UNIT
t
PLH
A or B
Y
1 6.5 9 1 10 1 10
ns
t
PHL
A or B
Y
1 6.5 9 1 10 1 10
ns
operating characteristics, V
CC
= 5 V, T
A
= 25°C
PARAMETER TEST CONDITIONS TYP UNIT
C
pd
Power dissipation capacitance C
L
= 50 pF, f = 1 MHz 20 pF