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| CALIFORNIA MICRO DEVICES PACUSB100 USB UPSTREAM PORT FILTER WITH ESD PROTECTION Features Provides EMI/RFI filtering Bi-Directional ESD protection Circuitry for optimum system protection Very small package USB 1.1 compliant Applications Keyboard, mouse, game peripherals Speakers Scanners/printers Monitors Modems Product Description The USB is a four wire system utilizing a two wire twisted pair for transferring data, and two lines to supply power and ground connection to hubs and devices. The USB allows for two modes of signaling. The low speed mode is defined at 1.5Mbs with the full speed at 12Mbs. The PACUSB100 provides ESD protection with EMI filtering and termination. It is ideal for protecting vulnerable components in devices like keyboard, mouse, scanner/printer, etc. The PACUSB100 also supports upstream ports. California Micro Devices also offers a complementary device (PACUSB200) to provide filtering and ESD protection for downstream ports. The PACUSB100 has the following characteristics: Compatible with Universal Serial Bus specification 1.0. Protects both the system and device from external ESD pulses up to 6KV per the Human Body Model. Suppresses EMI/RFI noise on high speed data lines. Absolute Tolerance (33 OHM resistors) Absolute Tolerance (1.5 ohm resistors) Absolute Tolerance (47pF capacitors) Operating Temperature Range ESD Protection (Human Body Model) MIL-STD -883, Method 3015 In System Protection (Note 1) Package STANDARD SPECIFICATIONS 5% 10% 20% 0C to 70C >4KV* >6KV* 8 pin QSOP SCHEMATIC CONFIGURATION * Guaranteed by design Note 1: Pins 1,4 and 8 grounded Pins 3,5 and 6 open Contact discharge between pins 7 and 2 to ground, one at a time GND Pins = 1, 4, 8 Pins 8 Package MSOP STANDARD PART ORDERING INFORMATION Ordering Part Number Style Tubes Tape & Reel PACUSB100MS/T PACUSB100MS/R Part Marking U 10 0 (c) 2000 California Micro Devices Corp. All rights reserved. 12/15/2000 C0160997D 215 Topaz Street, Milpitas, California 95035 Tel: (408) 263-3214 Fax: (408) 263-7846 www.calmicro.com 1 CALIFORNIA MICRO DEVICES Application Diagram 1. 2. 3. 4. R1 = 33 Ohm R2 = 15K Ohm R3 = 1.5K Ohm2 C1 = 47 pF PACUSB100 Note 2: Full speed and low speed devices are differentiated by the position of the pull-up (1.5K) resistor on the downstream end of the cable. Full speed devices are terminated with pull-up on the D+ line. Low speed devices are terminated with the pull-up on the D- line. (c)2000 California Micro Devices Corp. All rights reserved. 2 215 Topaz Street, Milpitas, California 95035 Tel: (408) 263-3214 Fax: (408) 263-7846 www.calmicro.com 12/15/2000 |
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