The ICL3221E, ICL3222E, ICL3223E, ICL3232E, ICL3241E, and ICL3243E are 3. 0V to 5. 5V powered RS-232 transmitters/receivers that meet ElA/TIA-232 and V. 28/V. 24 specifications, even at VCC = 3. 0V. Additionally, 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 notebook and laptop computers in which the low operational power consumption and even lower standby power consumption is critical. Efficient on-chip charge pumps, coupled with manual and automatic power-down functions (except for the ICL3232E), reduce the standby supply current to a 1µA trickle. Small footprint packaging and the use of small, low value capacitors ensure board space savings. Data rates greater than 250kbps are ensured at worst case load conditions. This family is fully compatible with 3. 3V-only systems, mixed 3. 3V and 5. 0V systems, and 5. 0V-only systems. The ICL324XE are 3-driver, 5-receiver devices that provide a complete serial port suitable for laptop or notebook computers. Both devices also include noninverting always-active receivers for “wake-up” capability. The ICL3221E, ICL3223E, and ICL3243E feature an automatic power-down function that powers down the on-chip power supply and driver circuits. Power-down occurs when an attached peripheral device is shut off or the RS-232 cable is removed, which conserves system power automatically without changes to the hardware or operating system. These devices power up again when a valid RS-232 voltage is applied to any receiver input.
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Type | Title | Date |
Datasheet | PDF 907 KB | |
Training | PDF 762 KB | |
Brochure | PDF 5.20 MB 日本語 | |
Training | PDF 208 KB | |
Brochure | PDF 2.95 MB | |
Training | PDF 405 KB | |
Training | PDF 239 KB | |
Application Note | PDF 365 KB | |
Product Change Notice | PDF 132 KB | |
Application Note | PDF 207 KB | |
Application Note | PDF 474 KB | |
Technical Brief | PDF 188 KB | |
End Of Life Notice | PDF 134 KB | |
Application Note | PDF 178 KB | |
Price Increase Notice | PDF 208 KB | |
Product Advisory | PDF 238 KB | |
White Paper | PDF 920 KB 简体中文 | |
Other | PDF 293 KB | |
Application Note | PDF 395 KB | |
Application Note | PDF 443 KB | |
Application Note | PDF 582 KB | |
Product Change Notice | PDF 78 KB | |
Product Change Notice | PDF 98 KB | |
Application Note | PDF 338 KB | |
Application Note | PDF 365 KB | |
Application Note | PDF 375 KB | |
Application Note | PDF 372 KB | |
27 items
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Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.
Select an orderable part number:
Orderable Part ID | Sample |
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ICL3222ECAZ | Availability |
ICL3222ECVZ | Availability |
ICL3222EIAZ | Availability |
ICL3222EIVZ | Availability |
ICL3232ECV-16Z-T7A | Availability |