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SN65240PW Datasheet(PDF) 1 Page - Texas Instruments |
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SN65240PW Datasheet(HTML) 1 Page - Texas Instruments |
1 / 12 page SN65220 SN65240 SN75240 SLLS266F − FEBRUARY 1997 − REVISED JULY 2004 USB PORT TRANSIENT SUPPRESSORS YZB-4 DBV-6 PW-8 P-8 FEATURES D Design to Protect Submicron 3-V or 5-V Circuits from Noise Transients D Port ESD Protection Capability Exceeds: − 15-kV Human Body Model − 2-kV Machine Model D Available in a WCSP Chip-Scale Package D Stand-Off Voltage ... 6 V Min D Low Current Leakage ... 1 µA Max at 6 V D Low Capacitance ... 35 pF Typical DESCRIPTION The SN65220 is a single transient voltage suppressor and the SN65240 and SN75240 are dual transient voltage suppressors designed to provide electrical noise transient protection to Universal Serial Bus (USB) 1.1 ports. Note that the input capacitance of the device makes it unsuitable for high-speed USB 2.0 applications. Any cabled I/O can be subjected to electrical noise transients from various sources. These noise transients can cause damage to the USB transceiver and/or the USB ASIC if they are of sufficient magnitude and duration. USB ports are typically implemented in 3-V or 5-V digital CMOS with very limited ESD protection. The SN65220, SN65240, and SN75240 can significantly increase the port ESD protection level and reduce the risk of damage to the circuits of the USB port. The IEC1000-4-2 ESD performance of the SN65220, SN65240, and SN75240 is measured at the system level. Therefore, system design impacts the results of these tests. A high compliance level may be attained with proper board design and layout. APPLICATIONS D USB 1.1 Host, Hub, or Peripheral Ports PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. www.ti.com Copyright 1997 − 2003, Texas Instruments Incorporated A1 A2 B2 B1 A GND GND B SN65220YZB (Size: 925 mm x 925 mm +6 mm) (TOP VIEW) 3 2 4 6 (TOP VIEW)† 1 NC GND NC A B SN65220DBV GND 5 NC − No internal connection 1 2 3 4 8 7 6 5 GND C GND D A GND B GND SN65240P, SN65240PW SN75240P, SN75240PW (TOP VIEW) †When read horizontally, Pin 1 is the bottom left pin. NOTE A: Typical current versus voltage curve was derived using the IEC 1.2/50- µs surge waveform. CURRENT vs VOLTAGE −2.5 −5 −7.5 −10 −5 0 0 2.5 5 5 10 15 Voltage − V −10 7.5 A or C GND B or D (One Suppressor Shown) NOTE: All GND terminals should be connected to ground. EQUIVALENT SCHEMATIC DIAGRAM |
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