Datasheet
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Electrical Characteristics
Switching Characteristics
SN74LVCH16245A
16-BIT BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCES495B – OCTOBER 2003 – REVISED AUGUST 2006
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 15
1.65 V
V
I
= 1.07 V –15
V
I
= 0.7 V 45
2.3 V
I
I(hold)
A or B port 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
(2)
3.6 V ± 500
I
off
V
I
or V
O
= 5.5 V 0 ± 10 µ A
I
OZ
(3)
V
O
= 0 V or (V
CC
to 5.5 V) 2.3 V to 3.6 V ± 5 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
(4)
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 port V
O
= V
CC
or GND 3.3 V 7.5 pF
(1) All typical values are at V
CC
= 3.3 V, T
A
= 25 ° C.
(2) This is the bus-hold maximum dynamic current required to switch the input from one state to another.
(3) For the total leakage current in an I/O port, consult the I
I(hold)
specification for the input voltage condition 0 V < V
I
< V
CC
, and the I
OZ
specification for the input voltage conditions V
I
= 0 V or V
I
= V
CC
to 5.5 V. The bus-hold current, at input voltage greater than V
CC
, is
negligible.
(4) This applies in the disabled state only.
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1 )
V
CC
= 1.8 V V
CC
= 2.5 V V
CC
= 3.3 V
V
CC
= 2.7 V
FROM TO
± 0.15 V ± 0.2 V ± 0.3 V
PARAMETER UNIT
(INPUT) (OUTPUT)
MIN MAX MIN MAX MIN MAX MIN MAX
t
pd
A or B B or A 1.5 7.1 1 4.5 1 4.7 1 4 ns
t
en
OE A or B 1.5 8.9 1 5.6 1.5 6.7 1.5 5.5 ns
t
dis
OE A or B 1.5 11.9 1 6.8 1.5 7.1 1.5 6.6 ns
t
sk(o)
1 ns
5
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