54AC16652, 74AC16652
16-BIT BUS TRANSCEIVERS AND REGISTERS
WITH 3-STATE OUTPUTS
SCAS242A – MARCH 1990 – REVISED APRIL 1996
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
T
A
= 25°C
54AC16652
74AC16652
PARAMETER
TEST CONDITIONS
V
UNIT
CC
MIN
2.9
TYP
MAX
MIN
2.9
4.4
5.4
2.4
3.7
4.7
3.85
MAX
MIN
2.9
MAX
3 V
4.5 V
5.5 V
3 V
I
= –50 µA
4.4
4.4
OH
5.4
5.4
I
I
= –4 mA
2.58
3.94
4.94
2.48
3.8
OH
V
OH
V
4.5 V
5.5 V
5.5 V
5.5 V
3 V
= –24 mA
OH
4.8
†
†
I
I
= –50 mA
= –75 mA
OH
3.85
OH
0.1
0.1
0.1
0.1
0.1
0.1
I
= 50 µA
4.5 V
5.5 V
3 V
OL
0.1
0.1
0.1
I
I
= 12 mA
= 24 mA
0.36
0.36
0.36
0.5
0.44
0.44
0.44
OL
V
OL
V
4.5 V
5.5 V
5.5 V
5.5 V
5.5 V
5.5 V
5.5 V
5 V
0.5
OL
0.5
†
†
I
I
= 50 mA
1.65
OL
= 75 mA
1.65
±1
OL
I
I
I
Control inputs V = V
or GND
±0.1
±0.5
8
±1
±10
160
µA
µA
µA
pF
pF
I
I
CC
‡
A or B ports
V
= V or GND
CC
±5
OZ
CC
O
V = V
or GND,
or GND
I = 0
O
80
I
CC
CC
C
C
Control inputs V = V
4
i
I
A or B ports
V
= V or GND
CC
5 V
12
io
O
†
‡
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 includes the input leakage current.
OZ
timing requirements over recommended operating free-air temperature range,
= 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 2)
V
CC
T
= 25°C
54AC16652
74AC16652
A
UNIT
MIN
0
MAX
MIN
0
MAX
55
MIN
0
MAX
55
f
t
t
t
Clock frequency
55
MHz
ns
clock
Pulse duration, CLKAB or CLKBA high or low
Setup time, A before CLKAB↑ or B before CLKBA↑
Hold time, A after CLKAB↑ or B after CLKBA↑
9
9
9
w
7
7
7
ns
su
h
0
0
0
ns
timing requirements over recommended operating free-air temperature range,
= 5 V ± 0.5 V (unless otherwise noted) (see Figure 2)
V
CC
T
= 25°C
54AC16652
74AC16652
A
UNIT
MIN
0
MAX
MIN
0
MAX
95
MIN
0
MAX
95
f
t
t
t
Clock frequency
95
MHz
ns
clock
Pulse duration, CLKAB or CLKBA high or low
Setup time, A before CLKAB↑ or B before CLKBA↑
Hold time, A after CLKAB↑ or B after CLKBA↑
5
5
5
w
4.5
0
4.5
0
4.5
0
ns
su
h
ns
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
7
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