SP237ACS Exar Corporation, SP237ACS Datasheet
SP237ACS
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SP237ACS Summary of contents
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SP230A/234A/235A/236A/237A/238A/241A ® +5V Powered Multi-Channel RS-232 Drivers/Receivers Operates from Single +5V Power Supply Meets All RS-232D and V.28 Specifications ±9V Output Swing with +5V Supply Improved Driver Output Capacity for Mouse Applications Low Power Shutdown – 1µA WakeUp Feature in ...
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ABSOLUTE MAXIMUM RATINGS This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operation sections of this specification is not implied. Exposure to absolute maximum rating conditions ...
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Transmitter Output Waveforms OUT No load Transmitter Propagation Delay OUT Rise Time R = 3kΩ 2,500pF L L All inputs = 20kHz Receiver Output Waveform In Out Date: 8/3/04 ...
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Receiver Propagation Delay OUT 0V Fall Time PINOUT T OUT OUT OUT OUT ...
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Receiver Output Enable/Disable Times OUT 0V Disable PINOUT T OUT OUT OUT OUT ...
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FEATURES… The multi–channel RS-232 line drivers/receivers pro- vides a variety of configurations to fit most communi- cation needs, especially those applications where ±12V is not available. The SP230A, SP235A/B, SP236A/B, SP240A/B, and SP241A/B feature a shutdown mode which reduces device ...
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RS-232–D 2.1.7, Paragraph (5)]. The transition of the loaded output from V meets the monotonicity requirements of the standard [EIA RS-232–D 2.1.7, Paragraphs (1) & (2)]. Receivers The receivers convert RS-232 input signals to in- verted TTL signals. ...
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Power SD EN Up/Down Down 1 1 Down Table 2. Wake–Up Truth Table + output impedance of V and V degrade V and V . Capacitor values can ...
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(mA Figure 4. Mouse Application Drive Capability ...
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If the SP2XXB is powered up with SD low, then only the 2ms delay time will apply (refer to Figure 6). Under normal operation, both the wait time and delay time should be transparent to the ...
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Data Terminal Ready (DTR) This is the pin the computer uses to tell periph- eral devices that it is on–line and ready to communicate. Data Set Ready (DSR) Peripheral devices use this line to tell the com- puter that they ...
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Once the computer is powered–up and ready, it will send out a signal on the DTR to inform the printer that it is powered–up and ready to go. The printer really doesn’t care, since it will simply print data ...
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TYPICAL CIRCUITS +5V INPUT 1–10µF V+ +5V to +10V 6. Voltage Doubler 1–10µF +10V to -10V V- 16V Voltage Inverter ...
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TYPICAL CIRCUITS +5V INPUT 1–10µF V+ +5V to +10V 6. Voltage Doubler 1–10µF +10V to -10V V- 16V Voltage Inverter ...
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TYPICAL CIRCUITS +5V INPUT +5V to +10V 4.7µF V+ Voltage Doubler 6. – +10V to -10V 4.7µF V- Voltage Inverter 16V 29 C – 2 400k ...
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... SP236BES ................................................................................... –40°C to +85°C ............................................................................. 24 pin PDIP SP236BET ................................................................................... –40°C to +85°C .......................................................................... 24 pin WSOIC SP236BET /TR ............................................................................ –40°C to +85°C .......................................................................... 24 pin WSOIC SP237ACS ..................................................................................... 0°C to +70°C ............................................................................... 24 pin PDIP SP237ACT ..................................................................................... 0°C to +70°C ............................................................................ 24 pin WSOIC SP237ACT/TR ............................................................................... 0°C to +70°C ............................................................................ 24 pin WSOIC SP237ACX ..................................................................................... 0°C to +70°C ............................................................................................ Dice SP237AES ................................................................................... – ...
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SP238ACS ..................................................................................... 0°C to +70°C ............................................................................... 24 pin PDIP SP238ACT ..................................................................................... 0°C to +70°C ............................................................................ 24 pin WSOIC SP238ACT/TR ............................................................................... 0°C to +70°C ............................................................................ 24 pin WSOIC SP238ACX ..................................................................................... 0°C to +70°C ............................................................................................ Dice SP238AES ................................................................................... –40°C to +85°C ............................................................................. ...