Datasheet

www.ti.com
Electrical Characteristics
(1) (2)
SN74LVC8T245
8-BIT DUAL-SUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SCES584A – JUNE 2005 – REVISED AUGUST 2005
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS V
CCA
V
CCB
MIN TYP MAX MIN MAX UNIT
I
OH
= –100 µ A, V
I
= V
IH
1.65 V to 4.5 V 1.65 V to 4.5 V V
CCO
– 0.1
I
OH
= –4 mA, V
I
= V
IH
1.65 V 1.65 V 1.2
V
OH
I
OH
= –8 mA, V
I
= V
IH
2.3 V 2.3 V 1.9 V
I
OH
= –24 mA, V
I
= V
IH
3 V 3 V 2.4
I
OH
= –32 mA, V
I
= V
IH
4.5 V 4.5 V 3.8
I
OL
= 100 µ A, V
I
= V
IL
1.65 V to 4.5 V 1.65 V to 4.5 V 0.1
I
OL
= 4 mA, V
I
= V
IL
1.65 V 1.65 V 0.45
V
OL
I
OL
= 8 mA, V
I
= V
IL
2.3 V 2.3 V 0.3 V
I
OL
= 24 mA, V
I
= V
IL
3 V 3 V 0.55
I
OL
= 32 mA, V
I
= V
IL
4.5 V 4.5 V 0.55
I
I
DIR V
I
= V
CCA
or GND 1.65 V to 5.5 V 1.65 V to 5.5 V ± 1 ± 2 µ A
0 V 0 to 5.5 V ± 1 ± 2
A or B
I
off
V
I
or V
O
= 0 to 5.5 V µ A
port
0 to 5.5 V 0 V ± 1 ± 2
A or B V
O
= V
CCO
or GND,
I
OZ
1.65 V to 5.5 V 1.65 V to 5.5 V ± 1 ± 2 µ A
port OE = V
IH
1.65 V to 5.5 V 1.65 V to 5.5 V 15
I
CCA
V
I
= V
CCI
or GND, I
O
= 0 5 V 0 V 15 µ A
0 V 5 V –2
1.65 V to 5.5 V 1.65 V to 5.5 V 15
I
CCB
V
I
= V
CCI
or GND, I
O
= 0 5 V 0 V –2 µ A
0 V 5 V 15
I
CCA
+ I
CCB
V
I
= V
CCI
or GND, I
O
= 0 1.65 V to 5.5 V 1.65 V to 5.5 V 25 µ A
One A port at V
CCA
– 0.6 V,
A port 50
DIR at V
CCA
, B port = open
∆ I
CCA
3 V to 5.5 V 3 V to 5.5 V µ A
DIR at V
CCA
– 0.6 V,
DIR B port = open, 50
A port at V
CCA
or GND
One B port at V
CCB
– 0.6 V,
∆ I
CCB
B port 3 V to 5.5 V 3 V to 5.5 V 50 µ A
DIR at GND, A port = open
Control
C
i
V
I
= V
CCA
or GND 3.3 V 3.3 V 4 5 pF
inputs
A or B
C
io
V
O
= V
CCA/B
or GND 3.3 V 3.3 V 8.5 10 pF
port
(1) V
CCO
is the V
CC
associated with the output port.
(2) V
CCI
is the V
CC
associated with the input port.
5