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ST3222BD 데이터시트(PDF) 1 Page - STMicroelectronics |
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ST3222BD 데이터시트(HTML) 1 Page - STMicroelectronics |
1 / 9 page 1/9 October 2002 s 300 µA SUPPLY CURRENT s 250Kbps MINIMUM GUARENTEED DATA RATE s 6V/ µs MINIMUM GUARANTEED SLEW RATE s MEET EIA/TIA-232 SPECIFICATIONS DOWN TO 3V s AVAILABLE INSO-18 ANDTSSOP20 DESCRIPTION The ST3222 is a 3V powered EIA/TIA-232 and V.28/V.24 communications interface with low power requirements and high data-rate capabilities. ST3222 has a proprietary low dropout transmitter output stage providing true RS-232 performance from 3 to 3.6V power supplies. The device requires only four small 0.1 µF standard external capacitors for operating from 3V supply. The ST3222 has two receivers and two drivers. TheST3222features a 1 µA shutdown mode that reduces power consumption and extends battery life in portable systems. Its receivers can remain active in shutdown mode, allowing external devices such as modems to be monitored using only 1 µA supply current. The device is guaranteed to run at data rates of 250Kbps while maintaining RS-232 output levels. Typical applications are Notebook, Subnotebook and Palmtop Computers, Battery Powered Equipment, Hand-Held Equipment, Peripherals and Printers. ORDERING CODES Type Temperature Range Package Comments ST3222CD 0 to 70 °C SO-18 (Tube) 50parts per tube / 20tube per box ST3222BD -40 to 85 °C SO-18 (Tube) 50parts per tube / 20tube per box ST3222CDR 0 to 70 °C SO-18 (Tape & Reel) 1000 parts per reel ST3222BDR -40 to 85 °C SO-18 (Tape & Reel) 1000 parts per reel ST3222CTR 0 to 70 °C TSSOP20 (Tape & Reel) 2500 parts per reel ST3222BTR -40 to 85 °C TSSOP20 (Tape & Reel) 2500 parts per reel ST3222 3 TO 3.6V, LOW POWER, UP TO 400KBPS, RS-232 DRIVERS AND RECEIVERS SOP TSSOP |
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