Datasheet
SN54ACT16374, 74ACT16374
16-BIT D-TYPE EDGE-TRIGGERED FLIP-FLOPS
WITH 3-STATE OUTPUTS
SCAS124B – MARCH 1990 – REVISED APRIL 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
CC
T
A
= 25°C SN54ACT16374 74ACT16374
UNIT
PARAMETER
TEST
CONDITIONS
V
CC
MIN TYP MAX MIN MAX MIN MAX
UNIT
I
OH
=50A
4.5 V 4.4 4.4 4.4
I
OH
= –
50
A
5.5 V 5.4 5.4 5.4
I
OH
=24mA
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
OL
=50 A
4.5 V 0.1 0.1 0.1
I
OL
=
50
A
5.5 V 0.1 0.1 0.1
I
OL
=24mA
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 A
I
OZ
V
O
= V
CC
or GND 5.5 V ±0.5 ±10 ±5 A
I
CC
V
I
= V
CC
or GND, I
O
= 0 5.5 V 8 160 80 A
I
One input at 3.4 V,
55V
09
1
1
mA
I
CC
,
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
O
= 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 SN54ACT16374 74ACT16374
UNIT
MIN MAX MIN MAX MIN MAX
UNIT
f
clock
Clock frequency 0 65 0 65 0 65 MHz
t
Pulse duration
CLK low 7.5 7.5 7.5
ns
t
w
P
u
lse
d
u
ration
CLK high 4.5 4.5 4.5
ns
t
su
Setup time, data before CLK↑ 6.5 6.5 6.5 ns
t
h
Hold time, data after CLK↑ 1 1 1 ns