SN65C3221EDBR
Texas Instruments
The Texas Instruments SN65C3221EDBR is a single-channel RS232 transceiver operating at up to 1 Mbps. It features a wide supply voltage range and robust ESD protection.
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60 pcs
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60 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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The SN65C3221EDB from Texas Instruments is a single-channel RS232 line driver and receiver designed for reliable serial communication. It operates from a single 3-V to 5.5-V supply and supports data signaling rates up to 1 Mbit/s.
Key electrical features include ±15-kV ESD protection on RS-232 pins, meeting IEC 61000-4-2 standards for contact and air-gap discharges. The device also offers a low standby current of 1 μA typical and an auto-powerdown feature to conserve power when the serial port is inactive. It accepts 5-V logic input with a 3.3-V supply, providing flexibility in mixed-voltage systems.
This transceiver is suitable for applications requiring robust serial communication interfaces. It is available in a 16-SSOP surface-mount package, making it suitable for various industrial and portable electronic devices.
The device requires four external capacitors (0.1 μF) for its charge pump circuit. The driver output slew rate ranges from 24 V/μs to 150 V/μs.
| Qty | Low | High |
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| 1+ | $1.47 | $1.47 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The SN65C3221EDB operates within a voltage range of 3 V to 5.5 V.
The SN65C3221EDB is packaged in a 16-SSOP surface-mount package.
The maximum data rate supported is 1 Mbps.
Yes, it supports full duplex communication.
The receiver hysteresis is 500 mV.
It has ESD protection of ±15 kV (HBM and air-gap) and ±8 kV (IEC 61000-4-2 contact).