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ST3237EBPR bảng dữ liệu(PDF) 1 Page - STMicroelectronics |
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ST3237EBPR bảng dữ liệu(HTML) 1 Page - STMicroelectronics |
1 / 18 page November 2007 Rev 7 1/18 18 ST3237EB ± 15 kV ESD protected, 1 µA, 3 to 5.5 V, 250 kbps RS-232 transceiver with stand-by Features ■ ESD protection for RS-232 I/O pins – ±15 kV human body model – ±8 kV IEC 1000-4-2 contacts discharge ■ 1 µA low power shutdown with receivers active ■ Guaranteed data rate – 250 kbps (normal operation) – 1 Mbps (very high speed operation) ■ Guaranteed slew rate range – 6 V/µs (normal operation) – 24 V/µs (very high speed operation) ■ 0.1 µF external capacitors ■ Flow-through pinout ■ Low supply current 300 µA ■ Available in SSOP28 and SO-28 Description The ST3237E is a 3 V to 5.5 V powered EIA/TIA- 232 and V.28/V.24 communication interfaces high data-rate capability and enhanced electrostatic discharge (ESD) protection at ±8 kV using IEC1000-4-2 contact discharge and ±15 kV using Human Body Model (HBM). The other pins are protected with standard ESD protection at ±2 kV using HBM method. The ST3237C is a transceiver (5 drivers, 3 receivers) for fast modem applications. The device has a proprietary low-dropout transmitter output stage providing true RS-232 performance from a 3 V to 5.5 V supply using a dual charge pump. The device is guaranteed to run at data rates of 250 kbps in the normal operation mode and 1 Mbps in the very high speed operation mode while maintaining RS-232 output levels. SSOP SOP Table 1. Device summary Order code Temperature range Package Packaging ST3237EBDR -40 to 85 °C SO-28 (tape and reel) 1000 parts per reel ST3237EBPR -40 to 85°C SSOP28 (tape and reel) 1350 parts per reel www.st.com |
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