Datasheet
SN54ACT16373, 74ACT16373
16-BIT D-TYPE TRANSPARENT LATCHES
WITH 3-STATE OUTPUTS
SCAS122C − MARCH 1990 − REVISED SEPTEMBER 1996
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
V
T
A
= 25°C SN54ACT16373 74ACT16373
UNIT
PARAMETER TEST CONDITIONS V
CC
MIN TYP MAX MIN MAX MIN MAX
UNIT
I 50 A
4.5 V 4.4 4.4 4.4
I
OH
= −50 mA
5.5 V 5.4 5.4 5.4
I 24 mA
4.5 V 3.94 3.7 3.8
V
OH
I
OH
= −24 mA
5.5 V 4.94 4.7 4.8
V
I
OH
= −50 mA
{
5.5 V 3.85
I
OH
= −75 mA
{
5.5 V 3.85
I 50 A
4.5 V 0.1 0.1 0.1
I
OL
= 50 mA
5.5 V 0.1 0.1 0.1
I 24 mA
4.5 V 0.36 0.5 0.44
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 mA
I
OZ
V
O
= V
CC
or GND 5.5 V ±0.5 ±10 ±5 mA
I
CC
V
I
= V
CC
or GND, I
O
= 0 5.5 V 8 160 80 mA
DI
CC
}
One input at 3.4 V,
Other inputs at GND or V
CC
5.5 V 0.9 1 1 mA
C
i
V
I
= V
CC
or GND 5 V 4.5 pF
C
o
V
I
= V
CC
or GND 5 V 12 pF
†
Not more than one output should be tested at a time, and the duration of the test should not exceed 10 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 to V
CC
.
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Figure 1)
T
A
= 25°C SN54ACT16373 74ACT16373
UNIT
MIN MAX MIN MAX MIN MAX
UNIT
t
w
Pulse duration, LE high 4 4 1 ns
t
su
Setup time, data before LE↓ 1 1 1 ns
t
h
Hold time, data after LE↓ 5 5 5 ns
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Figure 1)
PARAMETER
FROM TO
T
A
= 25°C SN54ACT16373 74ACT16373
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
MIN TYP MAX MIN MAX MIN MAX
UNIT
t
PLH
D
Q
3.8 7.9 9.4 3.8 11.8 3.8 11.1
ns
t
PHL
D Q
3.1 8.2 9.7 3.1 13 3.1 12.3
ns
t
PLH
LE
Q
4.6 9.3 10.8 4.6 13.7 4.6 12.8
ns
t
PHL
LE Q
4.5 9.1 10.5 4.5 13 4.5 12.2
ns
t
PZH
OE
Q
3.1 8 9.5 3.1 13 3.1 12.1
ns
t
PZL
OE
Q
3.8 9.4 11.1 3.8 15.1 3.8 14.2
ns
t
PHZ
OE
Q
5.3 8.6 9.9 5.3 11 5.3 10.7
ns
t
PLZ
OE
Q
4.3 7.4 8.7 4.3 9.8 4.3 9.4
ns