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ICL3232IBZ Datasheet(PDF) 1 Page - Renesas Technology Corp |
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ICL3232IBZ Datasheet(HTML) 1 Page - Renesas Technology Corp |
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1 / 28 page  FN4805 Rev 22.00 Page 1 of 28 September 1, 2015 FN4805 Rev 22.00 September 1, 2015 ICL3221, ICL3222, ICL3223, ICL3232, ICL3241, ICL3243 One Microamp Supply-Current, +3V to +5.5V, 250kbps, RS-232 Transmitters/Receivers DATASHEET 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 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 ICL3221, ICL3223 and ICL3243, feature an automatic powerdown function which powers down the on-chip power-supply and driver circuits. This occurs when an attached peripheral device is shut off or the RS-232 cable is removed, conserving 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. Table 1 summarizes the features of the devices represented by this data sheet, while Application Note AN9863 summarizes the features of each device comprising the ICL32XX 3V family. Features • Pb-Free Plus Anneal Available as an Option (RoHS Compliant) (See Ordering Info) • 15kV ESD Protected (Human Body Model) • Drop in Replacements for MAX3221, MAX3222, MAX3223, MAX3232, MAX3241, MAX3243, SP3243 • ICL3221 is Low Power, Pin Compatible Upgrade for 5V MAX221 • ICL3222 is Low Power, Pin Compatible Upgrade for 5V MAX242, and SP312A • ICL3232 is Low Power Upgrade for HIN232/ICL232 and Pin Compatible Competitor Devices • RS-232 Compatible with VCC = 2.7V • Meets EIA/TIA-232 and V.28/V.24 Specifications at 3V • Latch-Up Free • On-Chip Voltage Converters Require Only Four External 0.1 F Capacitors • Manual and Automatic Powerdown Features (Except ICL3232) • Guaranteed Mouse Driveability (ICL324X Only) • Receiver Hysteresis For Improved Noise Immunity • Guaranteed Minimum Data Rate . . . . . . . . . . . . . 250kbps • Guaranteed Minimum Slew Rate . . . . . . . . . . . . . . . 6V/ s • Wide Power Supply Range . . . . . . . Single +3V to +5.5V • Low Supply Current in Powerdown State. . . . . . . . . . .1 A Applications • Any System Requiring RS-232 Communication Ports - Battery Powered, Hand-Held, and Portable Equipment - Laptop Computers, Notebooks, Palmtops - Modems, Printers and other Peripherals - Digital Cameras - Cellular/Mobile Phones TABLE 1. SUMMARY OF FEATURES PART NUMBER NO. OF Tx. NO. OF Rx. NO. OF MONITOR Rx. (ROUTB) DATA RATE (kbps) Rx. ENABLE FUNCTION? READY OUTPUT? MANUAL POWER- DOWN? AUTOMATIC POWERDOWN FUNCTION? ICL3221 1 1 0 250 Yes No Yes Yes ICL3222 2 2 0 250 Yes No Yes No ICL3223 2 2 0 250 Yes No Yes Yes ICL3232 2 2 0 250 No No No No ICL3241 3 5 2 250 Yes No Yes No ICL3243 3 5 1 250 No No Yes Yes |
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