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ST3241EC Dataheets PDF



Part Number ST3241EC
Manufacturers STMicroelectronics
Logo STMicroelectronics
Description (ST3241EB/C) transceiver
Datasheet ST3241EC DatasheetST3241EC Datasheet (PDF)

ST3241EB ST3241EC ±15 kV ESD protected 3 to 5.5 V, 400 kbps, RS-232 transceiver with auto-power-down Features ■ ESD protection for RS-232 I/O pins: ±8 kV IEC 1000-4-2 contact discharge ±15 kV human body model 1 µA supply current achieved when in autopower-down 250 kbps minimum guaranteed data rate Guaranteed 6 V/ms slew rate range Guaranteed mouse drive ability 0.1 µF external capacitors Meets EIA/TIA-232 specifications down to 3 V Available in SSOP-28 package It is a complete serial port (3 dr.

  ST3241EC   ST3241EC



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ST3241EB ST3241EC ±15 kV ESD protected 3 to 5.5 V, 400 kbps, RS-232 transceiver with auto-power-down Features ■ ESD protection for RS-232 I/O pins: ±8 kV IEC 1000-4-2 contact discharge ±15 kV human body model 1 µA supply current achieved when in autopower-down 250 kbps minimum guaranteed data rate Guaranteed 6 V/ms slew rate range Guaranteed mouse drive ability 0.1 µF external capacitors Meets EIA/TIA-232 specifications down to 3 V Available in SSOP-28 package It is a complete serial port (3 drivers, 5 receivers) intended for notebook or sub-notebook computers. Receivers R1 and R2 have extra outputs in addition to their standard outputs. These extra outputs are always active. www.DataSheet.net/ ■ ■ ■ ■ ■ ■ ■ SSOP-28 Description The ST3241E device consists of 3 drivers, 5 receivers and a dual charge-pump circuit. The device meets the requirements of EIA/TIA and V.28/V.24 communication standards providing high data rate capability and enhanced electrostatic discharge (ESD) protection. All transmitter outputs and receiver inputs are protected to ±8 kV using IEC 1000-4-2 contact discharge and ±15 kV using the human body model. The receiver R2 is always active to implement a wake-up feature for serial port. The ST3241E has a proprietary low-dropout transmitter output stage enabling true RS-232 performance from a 3.0 V to 5.5 V supply with a dual charge pump. The device is guaranteed to run at data rates of 250 kbps while maintaining RS-232 output levels. Table 1. Device summary Temperature range 0 to 70°C –40 to 85°C Typical applications are in notebooks, subnotebooks, palmtop computers, battery-powered equipment, hand-held equipment, peripherals and printers. Order code ST3241ECPR ST3241EBPR Package SSOP-28 (tape and reel) SSOP-28 (tape and reel) Packaging 1350 parts per reel 1350 parts per reel September 2010 Doc ID 9066 Rev 5 1/13 www.st.com 1 Datasheet pdf - http://www.DataSheet4U.co.kr/ Contents ST3241EB - ST3241EC Contents 1 2 3 4 5 6 Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 www.DataSheet.net/ 2/13 Doc ID 9066 Rev 5 Datasheet pdf - http://www.DataSheet4U.co.kr/ ST3241EB - ST3241EC Pin configuration 1 Pin configuration Figure 1. Pin configuration CS10800 Table 2. Pin number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Pin description Symbol www.DataSheet.net/ Name and function Positive terminal of inverting charge pump capacitor Negative termi.


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