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ISL4221E - Transmitters/Receivers

Download the ISL4221E datasheet PDF. This datasheet also covers the ISL3232E variant, as both devices belong to the same transmitters/receivers family and are provided as variant models within a single manufacturer datasheet.

Description

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Features

  • of the IC’s and AN9863 summarizes the features of each device comprising the 3V RS-232 family. Features.
  • Available in near chip scale QFN (5mmx5mm) package, which is 40% smaller than a 20 Ld TSSOP.
  • ESD protection for RS-232 I/O pins to ±15kV (IEC61000).
  • Meets EIA/TIA-232 and V.28/V.24 specifications at 3V.
  • RS-232 compatible with VCC = 2.7V.
  • On-chip voltage converters require only four external 0.1µF capacitors.
  • Manual and automatic powerdown.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (ISL3232E-Renesas.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number ISL4221E
Manufacturer Renesas
File Size 364.58 KB
Description Transmitters/Receivers
Datasheet download datasheet ISL4221E Datasheet

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Other Datasheets by Renesas

Part Number Description
ISL4223E Transmitters/Receivers
ISL4238E RS-232 Transceivers
ISL4241E RS-232 Transmitters/Receivers
ISL4243E RS-232 Transmitters/Receivers
ISL4244E RS-232 Transceivers

Full PDF Text Transcription

Click to expand full text
Datasheet ISL3232E, ISL4221E, ISL4223E QFN Packaged, ±15kV ESD Protected, +2.7V to +5.5V, 150nA, 250kbps, RS-232 Transmitters/Receivers The ISL3232E, ISL4221E, and ISL4223E devices are 2.7V to 5.5V powered RS-232 transmitters/receivers that meet ElA/TIA-232 and V.28/V.24 specifications, even at VCC = 3.0V. They provide ±15kV ESD protection (IEC61000-4-2 Air Gap and Human Body Model) on transmitter outputs and receiver inputs (RS-232 pins). Targeted applications are PDAs, Palmtops, and hand-held products where the low operational power consumption and even lower standby power consumption are critical. Efficient on-chip charge pumps, coupled with manual and automatic powerdown functions, reduce the standby supply current to a 150nA trickle.
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