MAX3243 Datasheet, PDF (5/11 Pages) Texas Instruments – 3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER

MAX3243
3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER
DRIVER SECTION
SLLS350B – APRIL 1999 – REVISED JANUARY 2000
electrical characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Note 3 and Figure 6)
PARAMETER
TEST CONDITIONS
MIN TYP† MAX UNIT
VOH
VOL
VO
High-level output voltage
Low-level output voltage
Output voltage
(mouse driveability)
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
5 5.4
V
–5 –5.4
V
±5
V
IIH
High-level input current
VI = VCC
±0.01
±1 µA
IIL
Low-level input current
VI at GND
±0.01
±1 µA
IOS
Short-circuit output current‡ ^{VCC = 3.6 V,}
VCC = 5.5 V,
VO = 0 V
VO = 0 V
±35 ±60 mA
ro
Output resistance
VCC, V+, and V– = 0 V, VO = ±2 V
300 10M
Ω
Ioff
Output leakage current
FORCEOFF = GND,
VO = ±12 V, 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.
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
TEST CONDITIONS
CL = 1000 pF,
One DOUT switching,
RL = 3 kΩ,
See Figure 1
MIN TYP† MAX UNIT
250
kbit/s
tsk(p) Pulse skew§
CL = 150 pF to 2500 pF
RL = 3 kΩ to 7 kΩ,
See Figure 2
100
ns
Slew rate, transition region
SR(tr) _{(see Figure 1)}
VCC = 3.3 V,
RL = 3 kΩ to 7 kΩ
CL = 150 pF to 1000 pF
6
CL = 150 pF to 2500 pF
4
30
30
† _{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.
V/µs
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