Datasheet

DRIVER SECTION
Electrical Characteristics
(1)
Switching Characteristics
(1)
SN65C3243 , SN75C3243
www.ti.com ................................................................................................................................................. SLLS353H – JUNE 1999 – REVISED SEPTEMBER 2008
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 6 )
PARAMETER TEST CONDITIONS MIN TYP
(2)
MAX UNIT
High-level output
V
OH
All DOUT at R
L
= 3 k Ω to GND 5 5.4 V
voltage
Low-level output
V
OL
All DOUT at R
L
= 3 k Ω to GND – 5 – 5.4 V
voltage
Output voltage DIN1 = DIN2 = GND, DIN3 = V
CC
, 3-k Ω to GND at DOUT3,
V
O
± 5 V
(mouse driveability) DOUT1 = DOUT2 = 2.5 mA
I
IH
High-level input current V
I
= V
CC
± 0.01 ± 1 µ A
I
IL
Low-level input current V
I
= GND ± 0.01 ± 1 µ A
V
CC
= 3.6 V, V
O
= 0 V ± 35 ± 60
Short-circuit output
I
OS
mA
current
(3)
V
CC
= 5.5 V, V
O
= 0 V ± 35 ± 90
r
o
Output resistance V
CC
, V+, and V – = 0 V, V
O
= ± 2 V 300 10M Ω
V
O
= ± 12 V, V
CC
= 3 V to 3.6 V ± 25
I
off
Output leakage current FORCEOFF = GND µ A
V
O
= ± 10 V, V
CC
= 4.5 V to 5.5 V ± 25
(1) Test conditions are C1 – C4 = 0.1 µ F at V
CC
= 3.3 V ± 0.3 V; C1 = 0.047 µ F, C2 – C4 = 0.33 µ F at V
CC
= 5 V ± 0.5 V.
(2) All typical values are at V
CC
= 3.3 V or V
CC
= 5 V, and T
A
= 25 ° C.
(3) Short-circuit durations should be controlled to prevent exceeding the device absolute power dissipation ratings, and not more than one
output should be shorted at a time.
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 6 )
PARAMETER TEST CONDITIONS MIN TYP
(2)
MAX UNIT
C
L
= 1000 pF 250
Maximum data rate R
L
= 3 k Ω ,
C
L
= 250 pF, V
CC
= 3 V to 4.5 V 1000 kbit/s
(see Figure 1 ) One DOUT switching
C
L
= 1000 pF, V
CC
= 4.5 V to 5.5 V 1000
t
sk(p)
Pulse skew
(3)
C
L
= 150 pF to 2500 pF, R
L
= 3 k Ω to 7 k Ω , See Figure 2 25 ns
Slew rate,
SR(tr) transition region C
L
= 150 pF to 1000 pF, R
L
= 3 k Ω to 7 k Ω , V
CC
= 3.3 V 18 150 V/ µ s
(see Figure 1 )
(1) Test conditions are C1 – C4 = 0.1 µ F at V
CC
= 3.3 V ± 0.3 V; C1 = 0.047 µ F, C2 – C4 = 0.33 µ F at V
CC
= 5 V ± 0.5 V.
(2) All typical values are at V
CC
= 3.3 V or V
CC
= 5 V, and T
A
= 25 ° C.
(3) Pulse skew is defined as |t
PLH
– t
PHL
| of each channel of the same device.
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