Product Summary
The ST3237EBPR is a transceiver. The ST3237EBPR is a 3V to 5.5V powered EIA/ TIA-232 and V.28/V.24 communication interfaces high data-rate capability and enhanced electrostatic discharge (ESD) protection at ±8KV using IEC1000-4-2 contact discharge and ±15kV using Human Body Model (HBM). The other pins are protected with standard ESD protection at ±2kV using HBM method. The ST3237EBPR is a transceiver (5 drivers, 3 receivers) for fast modem applications. The ST3237EBPR has a proprietary low-dropout transmitter output stage providing true RS-232 performance from a 3V to 5.5V supply using a dual charge pump. The device is guaranteed to run at data rates of 250Kbps in the normal operation mode and 1Mbps in the very high speed operation mode while maintaining RS-232 output levels.
Parametrics
ST3237EBPR absolute maximum ratings: (1)VCC Supply Voltage: -0.3 to 6 V; (2)V+ Doubled Voltage Terminal: -0.3 to 7 V; (3)V- Inverted Voltage Terminal: 0.3 to -7 V; (4)TIN Transmitter Input Voltage Range: -0.3 to 6 V, SHDN, EN: -0.3 to 6 V; (5)VHSCI Very High Speed Control Input: -0.3 to (VCC +0.3)V; (6)RIN Receiver Input Voltage Range: ± 25 V; (7)TOUT Transmitter Output Voltage Range: ± 13.2 V; (8)ROUT, ROUTB Receiver Output Voltage Range: -0.3 to (VCC + 0.3)V; (9)Tstg Storage Temperature Range: -65 to 150 ℃; (10)ISUPPLY VCC Power Supply Current SHDN=VCC No Load: 0.3 to 1 mA.
Features
ST3237EBPR features: (1)EDS protection for rs-232 i/o pins: ±15kv human body model, ±8kv iec 1000-4-2 contact discharge; (2)1μA low power shutdown with receivers active; (3)guarenteed data rate 250Kbps (Normal Operation), 1Mbps (Very High Speed Operation); (4)guaranteed slew rate range 6V/μs (Normal Operation), 24V/μs (Very High Speed Operation); (5)0.1μF external capacitors; (6)flow-through pinout; (7)available in SO-28 AND SSOP-28; (8)low supply current 300μA.
Diagrams
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ST3237EBPR |
STMicroelectronics |
Buffers & Line Drivers Transcvr 5Drvr/3Rcvr |
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ST32 |
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ST3215SB32768C0HPWBB |
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Crystals 7pF 32.768kHz |
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ST3215SB32768E0HPWBB |
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Crystals 32.768KHz 9.0pF |
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ST3215SB32768E0HPWZZ |
AVX |
Crystals 32.768kHz 9.0pF |
Data Sheet |
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