Datasheet
54AC16652, 74AC16652
16-BIT BUS TRANSCEIVERS AND REGISTERS
WITH 3-STATE OUTPUTS
SCAS242A – 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 54AC16652 74AC16652
UNIT
PARAMETER
TEST
CONDITIONS
V
CC
MIN TYP MAX MIN MAX MIN MAX
UNIT
3 V 2.9 2.9 2.9
I
OH
= –50 µA
4.5 V 4.4 4.4 4.4
5.5 V 5.4 5.4 5.4
V
OH
I
OH
= –4 mA 3 V 2.58 2.4 2.48
V
V
OH
I
OH
=24mA
4.5 V 3.94 3.7 3.8
V
I
OH
= –
24
mA
5.5 V 4.94 4.7 4.8
I
OH
= –50 mA
†
5.5 V 3.85
I
OH
= –75 mA
†
5.5 V 3.85
3 V 0.1 0.1 0.1
I
OL
= 50 µA
4.5 V 0.1 0.1 0.1
5.5 V 0.1 0.1 0.1
V
OL
I
OL
= 12 mA 3 V 0.36 0.5 0.44
V
V
OL
I
OL
=24mA
4.5 V 0.36 0.5 0.44
V
I
OL
=
24
mA
5.5 V 0.36 0.5 0.44
I
OL
= 50 mA
†
5.5 V 1.65
I
OL
= 75 mA
†
5.5 V 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 ±10 ±5 µA
I
CC
V
I
= V
CC
or GND, I
O
= 0 5.5 V 8 160 80 µA
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.
timing requirements over recommended operating free-air temperature range,
V
CC
= 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 2)
T
A
= 25°C 54AC16652 74AC16652
UNIT
MIN MAX MIN MAX MIN MAX
UNIT
f
clock
Clock frequency 0 55 0 55 0 55 MHz
t
w
Pulse duration, CLKAB or CLKBA high or low 9 9 9 ns
t
su
Setup time, A before CLKAB↑ or B before CLKBA↑ 7 7 7 ns
t
h
Hold time, A after CLKAB↑ or B after CLKBA↑ 0 0 0 ns
timing requirements over recommended operating free-air temperature range,
V
CC
= 5 V ± 0.5 V (unless otherwise noted) (see Figure 2)
T
A
= 25°C 54AC16652 74AC16652
UNIT
MIN MAX MIN MAX MIN MAX
UNIT
f
clock
Clock frequency 0 95 0 95 0 95 MHz
t
w
Pulse duration, CLKAB or CLKBA high or low 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↑ 0 0 0 ns
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design phase of development. Characteristic data and other
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change or discontinue these products without notice.