Datasheet
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Electrical Characteristics
Timing Requirements
SN74LVCH16646A
16-BIT BUS TRANSCEIVER AND REGISTER
WITH 3-STATE OUTPUTS
SCAS318K – NOVEMBER 1993 – REVISED MARCH 2005
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS V
CC
MIN TYP
(1)
MAX UNIT
I
OH
= –100 µ A 1.65 V to 3.6 V V
CC
– 0.2
I
OH
= –4 mA 1.65 V 1.2
I
OH
= –8 mA 2.3 V 1.7
V
OH
V
2.7 V 2.2
I
OH
= –12 mA
3 V 2.4
I
OH
= –24 mA 3 V 2.2
I
OL
= 100 µ A 1.65 V to 3.6 V 0.2
I
OL
= 4 mA 1.65 V 0.45
V
OL
I
OL
= 8 mA 2.3 V 0.7 V
I
OL
= 12 mA 2.7 V 0.4
I
OL
= 24 mA 3 V 0.55
I
I
Control inputs V
I
= 0 to 5.5 V 3.6 V ± 5 µ A
V
I
= 0.58 V
(2)
1.65 V
V
I
= 1.07 V
(2)
V
I
= 0.7 V 45
2.3 V
I
I(hold)
A or B ports V
I
= 1.7 V –45 µ A
V
I
= 0.8 V 75
3 V
V
I
= 2 V –75
V
I
= 0 to 3.6 V
(3)
3..6 V ± 500
I
off
V
I
or V
O
= 5.5 V 0 ± 10 µ A
I
OZ
(4)
V
O
= 0 to 5.5 V 3.6 V ± 10 µ A
V
I
= V
CC
or GND 20
I
CC
I
O
= 0 3.6 V µ A
3.6 V ≤ V
I
≤ 5.5 V
(5)
20
∆ I
CC
One input at V
CC
– 0.6 V, Other inputs at V
CC
or GND 2.7 V to 3.6 V 500 µ A
C
i
Control inputs V
I
= V
CC
or GND 3.3 V 5 pF
C
io
A or B ports V
O
= V
CC
or GND 3.3 V 8.5 pF
(1) All typical values are at V
CC
= 3.3 V, T
A
= 25 ° C.
(2) This information was not available at the time of publication.
(3) This is the bus-hold maximum dynamic current required to switch the input from one state to another.
(4) For I/O ports, the parameter I
OZ
includes the input leakage current, but not I
I(hold)
.
(5) This applies in the disabled state only.
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 2 )
V
CC
= 1.8 V V
CC
= 2.5 V V
CC
= 3.3 V
V
CC
= 2.7 V
± 0.15 V ± 0.2 V ± 0.3 V
UNIT
MIN MAX MIN MAX MIN MAX MIN MAX
f
clock
Clock frequency
(1) (1)
150 150 MHz
t
w
Pulse duration, CLK high or low
(1) (1)
3.3 3.3 ns
t
su
Setup time, A or B before CLKAB ↑ or CLKBA ↑
(1) (1)
3.2 2.9 ns
t
h
Hold time, A or B after CLKAB ↑ or CLKBA ↑
(1) (1)
0 0.3 ns
(1) This information was not available at the time of publication.
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