FSA1208 FAIRCHILD | Alldatasheet

Document overview

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Technical content

Features

ƒ Low On Capacitance: 6pF Typical ƒ Low On Resistance: 15Ω Typical ƒ Low Power Consumption: 1μA Maximum ƒ 10μA Maximum ICCT over an Expanded Voltage Range (VIN=2.3V, VCC=4.3V) ƒ Wide -3db Bandwidth: > 400MHz ƒ Packaged in Space-Saving 20-Lead MLP (2.5x4.5mm) ƒ 8kV ESD Rating; >16kV Power/GND ESD Rating ƒ Low COFF Capacitance: 2.5pF Typical

Applications

ƒ DIMM DDR Memory IMPORTANT NOTE: For additional performance info rmation, please contact analogswitch@fairchildsemi.com.

Description

The FSA1208 is a low-power, eight-port, high-speed switch. This part is configured as a single-pole, single- throw switch and is optimized for isolating a high-speed source, such as a DDR memory bus. The FSA1208 features an extremely low on capacitance (C ON) of 6pF. Superior channel-to-channel crosstalk minimizes interference. The FSA1208 contains specia l 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 CC). Applications include port isolation and switching in DDR memory modules, portable cell phones, PDAs, digital cameras, printers, and notebook computers.

Ordering Information

Temperature Range Package Eco Status FSA1208BQX F1208 -40 to +85°C 20-Lead, Quad, Molded Leadless Package (MLP), 2.5x4.5mm Green For Fairchild’s definition of “green” Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html. DIMM DIMM Slot OEOE VCC FSA1208 DIMM Figure 1. Analog Symbol

© 2008 Fairchild Semiconductor Corporation www.fairchildsemi.com FSA1208 Rev. 0.1.2 9 FSA1208 — Low-Power, Eight-Port, High-Speed Isolation Switch ADVANCE INFORMATION —CONFIDENTIAL & PROPRIETARY — DO NOT DISTRIBUTE