ICL3221 PDF Datasheet


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Description

This is 1 Microamp Supply-Current/ +3V to +5.5V/ 250kbps/ RS-232 Transmitters/Receivers. Data Sheet ICL3221, ICL3222, ICL3223, ICL3232, ICL3241, ICL3243 September 1, 2015 FN4805.22 One Microamp Supply-Current, +3V to +5.5V, 250kbps, RS-232 Transmitters, Receivers The Intersil ICL32XX devices are 3.0V to 5.5V powered RS-232 transmitters, receivers which meet ElA, TIA-232 and V.28, V.24 specifications, even at VCC = 3.0V. Targeted applications are PDAs, Palmtops, and notebook and laptop computers where the low operational, and even lower standby, power consumption is critical. Efficient on-chip charge pumps, coupled with manual and automatic powerdown functions (except for the ICL3232), reduce the standby supply current to a 1 A trickle. Small footprint packaging, and the use of small, low value capacitors ensure board space savings as well. Data rates greater than 250kbps are guaranteed 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 ICL324X are 3-driver, 5-receiver devices th.