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| ADVANCE INFORMATION --CONFIDENTIAL & PROPRIETARY -- DO NOT DISTRIBUTE FSA1208 -- Low-Power, Eight-Port, High-Speed Isolation Switch June 2008 FSA1208 Low-Power, Eight-Port, High-Speed Isolation Switch Features Low On Capacitance: 6pF Typical Low On Resistance: 15 Typical Low Power Consumption: 1A Maximum 10A Maximum ICCT over an Expanded Voltage Range (VIN=2.3V, VCC=4.3V) Wide -3db Bandwidth: > 400MHz Packaged in Space-Saving 20-Lead MLP (2.5x4.5mm) 8kV ESD Rating; >16kV Power/GND ESD Rating Low COFF Capacitance: 2.5pF Typical Description The FSA1208 is a low-power, eight-port, high-speed switch. This part is configured as a single-pole, singlethrow switch and is optimized for isolating a high-speed source, such as a DDR memory bus. The FSA1208 features an extremely low on capacitance (CON) of 6pF. Superior channel-to-channel crosstalk minimizes interference. The FSA1208 contains special circuitry on the A & B pins that allows the device to withstand an over-voltage condition. This device is also designed to minimize current consumption even when the control voltage applied to the /OE pin is lower than the supply voltage (VCC). Applications include port isolation and switching in DDR memory modules, portable cell phones, PDAs, digital cameras, printers, and notebook computers. Applications DIMM DDR Memory IMPORTANT NOTE: For additional performance information, please contact analogswitch@fairchildsemi.com. Ordering Information Part Number FSA1208BQX Top Mark F1208 Operating Temperature Range -40 to +85C Package 20-Lead, Quad, Molded Leadless Package (MLP), 2.5x4.5mm Eco Status Green For Fairchild's definition of "green" Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html. DIMM 8A 7A 6A 5A 4A 3A 2A 1A FSA1208 OE 8B 7B 6B 5B 4B 3B 2B 1B VCC DIMM DIMM Slot Figure 1. Analog Symbol (c) 2008 Fairchild Semiconductor Corporation FSA1208 Rev. 0.1.2 www.fairchildsemi.com ADVANCE INFORMATION --CONFIDENTIAL & PROPRIETARY -- DO NOT DISTRIBUTE FSA1208 -- Low-Power, Eight-Port, High-Speed Isolation Switch (c) 2008 Fairchild Semiconductor Corporation FSA1208 Rev. 0.1.2 www.fairchildsemi.com 9 |
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