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ST3222ECTR データシート(PDF) 1 Page - STMicroelectronics |
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ST3222ECTR データシート(HTML) 1 Page - STMicroelectronics |
1 / 15 page January 2008 Rev 8 1/15 15 ST3222EB ST3222EC ± 15 kV ESD protected, 3 to 5.5 V low power, up to 250 Kbps, RS-232 drivers and receivers Features ■ ESD protection for RS-232 I/O pins ± 15 kV human body model, ± 8 kV IEC 1000-4-2 contact discharge ■ 300 µA supply current ■ 250KBps minimum guarantee data rate ■ 6 V/µs minimum guarantee slew rate ■ Meet EIA/TIA-232 specification down to 3 V ■ Available in SSOP20 and TSSOP20 Description The ST3222E is a 3 V 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 ± 8 kV using IEC1000-4-2 Contact Discharge and ±15 kV using the Human Body Model. ST3222E has a proprietary low dropout transmitter output stage providing true RS-232 performance from 3 to 5 V supplies with a dual charge pump. The charge pump requires only four small 0.1 mF external capacitors for operation form 3 V supply. The device has two receivers and two drivers. The ST3222E features a 1 mA 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 mA supply current. The device is guaranteed to run at data rates of 250 Kbps 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 Table 1. Device summary Order codes Temperature range Package Packaging ST3222ECPR 0 to 70 °C SSOP20 (tape and reel) 1350 parts per reel ST3222EBPR -40 to 85 °C SSOP20 (tape and reel) 1350 parts per reel ST3222ECTR 0 to 70 °C TSSOP20 (tape and reel) 2500 parts per reel ST3222EBTR -40 to 85 °C TSSOP20 (tape and reel) 2500 parts per reel www.st.com |
同様の部品番号 - ST3222ECTR |
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同様の説明 - ST3222ECTR |
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