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ST3222E bảng dữ liệu(PDF) 1 Page - STMicroelectronics |
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ST3222E bảng dữ liệu(HTML) 1 Page - STMicroelectronics |
1 / 18 page March 2006 Rev 6 1/ 18 Order code Part number Temperature range Package Comments ST3222ECDR 0 to 70 °C SO-18 (Tape & Reel) 1000 parts per reel ST3222ECPR 0 to 70 °C SSOP20 (Tape & Reel) 1350 parts per reel ST3222EBPR -40 to 85 °C SSOP20 (Tape & Reel) 1350 parts per reel ST3222ECTR 0 to 70 °C TSSOP20 (Tape & Reel) 2500 parts per reel ST3222EBTR -40 to 85 °C TSSOP20 (Tape & Reel) 2500 parts per reel ST3222E ± 15KV ESD-protected, 3 to 5.5V Low power, up to 250KBps, RS-232 drivers and receivers General features I ESD protection for RS-232 I/O pins ± 15KV human body model, ± 8KV IEC 1000-4-2 contact discharge I 300 µA supply current I 250KBps minimum guarantee data rate I 6V/ µs minimum guarantee slew rate I Meet EIA/TIA-232 specification down to 3V I Available in SO-18, SSOP20 and TSSOP20 Description The ST3222E is a 3V powered EIA/TIA-232 and V.28/V.24 communications interface with low power requirements, high data-rate capabilities and enhanced electrostatic discharge (ESD) protection to ±8kV using IEC1000-4-2 Contact Discharge and ±15kV using the Human Body Model. ST3222E has a proprietary low dropout transmitter output stage providing true RS-232 performance from 3 to 5V supplies with a dual charge pump. The charge pump requires only four small 0.1mF external capacitors for operation form 3V supply. The device has two receivers and two drivers. The ST3222E features a 1mA 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 1mA supply current. The device is guaranteed to run at data rates of 250Kbps while maintaining RS-232 output levels. Typical applications are Notebook, Sub-notebook and Palmtop Computers, Battery Powered Equipment, Hand-Held Equipment, Peripherals and Printers. SSOP TSSOP SOP www.st.com |
Số phần tương tự - ST3222E_06 |
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Mô tả tương tự - ST3222E_06 |
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