Datasheet

TXB0108
www.ti.com SCES643B –NOVEMBER 2006–REVISED FEBRUARY 2010
Electrical Characteristics
(1) (2)
over recommended operating free-air temperature range (unless otherwise noted)
T
A
= 25°C –40°C to 85°C
TEST
PARAMETER V
CCA
V
CCB
UNIT
CONDITIONS
MIN TYP MAX MIN MAX
1.2 V 1.1
V
OHA
I
OH
= –20 mA V
1.4 V to 3.6 V V
CCA
– 0.4
1.2 V 0.9
V
OLA
I
OL
= 20 mA V
1.4 V to 3.6 V 0.4
V
OHB
I
OH
= –20 mA 1.65 V to 5.5 V V
CCB
– 0.4 V
V
OLB
I
OL
= 20 mA 1.65 V to 5.5 V 0.4 V
I
I
OE 1.2 V to 3.6 V 1.65 V to 5.5 V ±1 ±2 mA
A port 0 V 0 V to 5.5 V ±1 ±2
I
off
mA
B port 0 V to 3.6 V 0 V ±1 ±2
I
OZ
A or B port OE = GND 1.2 V to 3.6 V 1.65 V to 5.5 V ±1 ±2 mA
1.2 V 0.06
1.65 V to 5.5 V
1.4 V to 3.6 V 5
V
I
= V
CCI
or GND,
I
CCA
mA
I
O
= 0
3.6 V 0 V 2
0 V 5.5 V –2
1.2 V 3.4
1.65 V to 5.5 V
1.4 V to 3.6 V 5
V
I
= V
CCI
or GND,
I
CCB
mA
I
O
= 0
3.6 V 0 V –2
0 V 5.5 V 2
1.2 V 3.5
V
I
= V
CCI
or GND,
I
CCA
+ I
CCB
1.65 V to 5.5 V mA
I
O
= 0
1.4 V to 3.6 V 10
V
I
= V
CCI
or GND, 1.2 V 0.05
I
CCZA
I
O
= 0, 1.65 V to 5.5 V mA
1.4 V to 3.6 V 5
OE = GND
V
I
= V
CCI
or GND, 1.2 V 3.3
I
CCZB
I
O
= 0, 1.65 V to 5.5 V mA
1.4 V to 3.6 V 5
OE = GND
C
I
OE 1.2 V to 3.6 V 1.65 V to 5.5 V 5 5.5 pF
A port 5 6.5
C
io
1.2 V to 3.6 V 1.65 V to 5.5 V pF
B port 8 10
(1) V
CCI
is the supply voltage associated with the input port.
(2) V
CCO
is the supply voltage associated with the output port.
Timing Requirements
T
A
= 25°C, V
CCA
= 1.2 V
V
CCB
= 1.8 V V
CCB
= 2.5 V V
CCB
= 3.3 V V
CCB
= 5 V
UNIT
TYP TYP TYP TYP
Data rate 20 20 20 20 Mbps
t
w
Pulse duration Data inputs 50 50 50 50 ns
Timing Requirements
over recommended operating free-air temperature range, V
CCA
= 1.5 V ± 0.1 V (unless otherwise noted)
V
CCB
= 1.8 V V
CCB
= 2.5 V V
CCB
= 3.3 V V
CCB
= 5 V
± 0.15 V ± 0.2 V ± 0.3 V ± 0.5 V
UNIT
MIN MAX MIN MAX MIN MAX MIN MAX
Data rate 50 50 50 50 Mbps
t
w
Pulse duration Data inputs 20 20 20 20 ns
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