Datasheet
54ACT16652, 74ACT16652
16-BIT TRANSCEIVERS AND REGISTERS
WITH 3-STATE OUTPUTS
SCAS128C – MARCH 1990 – REVISED APRIL 1996
7
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 54ACT16652 74ACT16652
UNIT
PARAMETER
TEST
CONDITIONS
V
CC
MIN TYP MAX MIN MAX MIN MAX
UNIT
I
OH
=50µA
4.5 V 4.4 4.4 4.4
I
OH
= –
50
µ
A
5.5 V 5.4 5.4 5.4
V
OH
I
OH
=24mA
4.5 V 3.94 3.8 3.8
V
I
OH
= –
24
mA
5.5 V 4.94 4.8 4.8
I
OH
= –75 mA
†
5.5 V 3.85 3.85
I
OL
=50µA
4.5 V 0.1 0.1 0.1
I
OL
=
50
µ
A
5.5 V 0.1 0.1 0.1
V
OL
I
OL
=24mA
4.5 V 0.36 0.44 0.44
V
I
OL
=
24
mA
5.5 V 0.36 0.44 0.44
I
OL
= 75 mA
†
5.5 V 1.65 1.65
I
I
Control inputs V
I
= V
CC
or GND 5.5 V ±0.1 ±1 ±1 µA
I
OZ
‡
A or B ports V
O
= V
CC
or GND 5.5 V ±0.5 ±5 ±5 µA
I
CC
V
I
= V
CC
or GND, I
O
= 0 5.5 V 8 80 80 µA
∆I
CC
§
One input at 3.4 V,
Other inputs at V
CC
or GND
5.5 V 0.9 1 1 mA
C
i
Control inputs V
I
= V
CC
or GND 5 V 4 pF
C
io
A or B ports 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.
‡
For I/O ports, the parameter I
OZ
includes the input leakage current.
§
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
.
timing requirements over recommended operating free-air temperature range,
V
CC
= 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
T
A
= 25°C 54ACT16652 74ACT16652
UNIT
MIN MAX MIN MAX MIN MAX
UNIT
f
clock
Clock frequency 0 90 0 90 0 90 MHz
t
w
Pulse duration, CLKAB or CLKBA high or low 5.5 5.5 5.5 ns
t
su
Setup time, A before CLKAB↑ or B before CLKBA↑ 4.5 4.5 4.5 ns
t
h
Hold time, A after CLKAB↑ or B after CLKBA↑ 1 1 1 ns
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change or discontinue these products without notice.