MAX3243
3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER
SLLS350B – APRIL 1999 – REVISED JANUARY 2000
DRIVER SECTION
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Note 3 and Figure 6)
PARAMETER
VOH
VOL
VO
IIH
IIL
IOS
ro
High-level output voltage
Low-level output voltage
Output voltage
(mouse driveability)
High-level input current
Low-level input current
Short-circuit o tp t c rrent
Short circ it output current‡
Output resistance
TEST CONDITIONS
All DOUT at RL = 3 kΩ to GND
All DOUT at RL = 3 kΩ to GND
DIN1 = DIN2 = GND, DIN3 = VCC,
3-kΩ to GND at DOUT3,
DOUT1 = DOUT2 = 2.5 mA
VI = VCC
VI at GND
VCC = 3.6 V,
VCC = 5.5 V,
VCC, V+, and V– = 0 V,
FORCEOFF = GND,
VO = 0 V
VO = 0 V
VO =
±2
V
VO =
±12
V,
300
MIN
5
–5
±5
±0.01
±0.01
±35
10M
±1
±1
±60
TYP†
5.4
–5.4
MAX
UNIT
V
V
V
µA
µA
mA
Ω
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Note 3 and Figure 6)
PARAMETER
Maximum data rate
tsk(p)
SR(tr)
Pulse skew§
Slew rate, transition region
g
(see Figure 1)
TEST CONDITIONS
CL = 1000 pF,
One DOUT switching,
CL = 150 pF to 2500 pF
VCC = 3.3 V,
RL = 3 kΩ to 7 kΩ
RL = 3 kΩ,
See Figure 1
RL = 3 kΩ to 7 kΩ,
See Figure 2
CL = 150 pF to 1000 pF
CL = 150 pF to 2500 pF
6
4
MIN
250
100
30
30
TYP†
MAX
UNIT
kbit/s
ns
V/µs
† All typical values are at VCC = 3.3 V or VCC = 5 V, and TA = 25°C.
§ Pulse skew is defined as |tPLH – tPHL| of each channel of the same device.
NOTE 3. Test conditions are C1–C4 = 0.1
µF
at VCC = 3.3 V
±
0.3 V; C1 = 0.047
µF,
C2–C4 = 0.33
µF
at VCC = 5 V
±
0.5 V.
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
5
PRODUCT PREVIEW
Ioff
Output leakage current
VCC = 0 to 5.5 V
±25
µA
† All typical values are at VCC = 3.3 V or VCC = 5 V, and TA = 25°C.
‡ 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.
NOTE 3. Test conditions are C1–C4 = 0.1
µF
at VCC = 3.3 V
±
0.3 V; C1 = 0.047
µF,
C2–C4 = 0.33
µF
at VCC = 5 V
±
0.5 V.
TI [ TEXAS INSTRUMENTS ]
