IBM31T1100 ETC [List of Unclassifed Manufacturers], IBM31T1100 Datasheet
IBM31T1100
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IBM31T1100 Summary of contents
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... Shutdown pin for power management x Programmable bandwidth control x Compatible with all major Super I/Os General Description The IBM31T1100A is a multi-mode integrated infrared (IR) transceiver module communication systems. The transceiver supports IrDA speeds Mbps, HP-SIR and Sharp ASK modes. Integrated into this tiny package is a photodiode, LED and analog transceiver ASIC to provide a total solution in a single package ...
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... SD/BW This CMOS input is used to put the IBM31T1100A in shutdown mode. Nominal supply current draw in this mode is 35 input, this pin also sets the receiver bandwidth low when SD/BW transitions from high to low, the receiver bandwidth is optimized for operation up to 1.2 Mbps high when SD/BW transitions from high to low, the receiver bandwidth is optimized for operation at 4 Mbps ...
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... IBM31T1100A Electrical and Timing Specifications Absolute Maximum Ratings Symbol Parameter V Supply Voltage Range CC P Power Dissipation D T Junction Temperature J Storage Temperature Range Soldering Temperature I LED Current LED Voltage at Any Pin Recommended Operating Conditions Symbol Parameter V Supply Voltage CC T Operating Temperature Range ...
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... IBM31T1100A AC Electrical Characteristics Symbol Parameter RX Rise Time Fall Time Setup Time to SD/BW Low Hold Time from SD/BW Low Pulse Width PW RX Pulse Width Pulse Width Pulse Width PW t Output Delay @ mW/ Latency L RX Valid After Shutdown ...
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... IBM31T1100A 700 600 Min 500 400 300 200 100 2.0 2.2 VLEDA Forward Voltage ( 25°C Figure 1. VLEDA to GND Voltage vs. peak LED current. 175 150 125 Typ 100 0.2 0.4 I Forward Current in Amperes F Figure 3. Output Intensity vs. Current 2.4 2.3 2.2 I =430mA F 2.1 2.0 1.9 1 Temperature in °C Figure 5. VLEDA to GND Voltage vs. Temperature. ...
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... IBM31T1100A Timing Diagrams TX 50 Figure 7. Latency Timing TX 50% t DIS_LED LEDC Figure 9. LED Protection Timing RXH RX 50% Figure 11. RX Timing, SIR mode. The output is indeterminate in the shaded area. Spurious transitions may occur SD/ 50 Vcc 50% Figure 10 ...
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... It is recommended that the SD/BW pin be connected to GND if bandwidth adjustment and shutdown mode are not used. To switch the IBM31T1100A from the default state to 4 Mbps and vice versa, the programming specifications are as follows: Setting the receiver to 4 Mbps mode 1 ...
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... IBM31T1100A Revision History The following changes have been made in the specifications from the IBM31T1100 data sheet. 1. Improved Irradiance values have been updated. 2. LED protection circuit has been added. 3. The RX rise time specification instead of 35 ns. 4. 200K internal pull-down resistor has been removed from the SD/BW pin ...