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FSA1208

Low-Power, Eight-Port, High-Speed Isolation Switch

ON Semiconductor 

FSA1208

Low-Power, Eight-Port, High-Speed Isolation Switch

Features

 Low On Capacitance: 6 pF Typical

 Low On Resistance: 15 Ω Typical

 Low Pow er Consumption: 1 A Maximum

 10 μA Maximum ICCT over an Expanded Voltage

Range (VIN=2.3 V, VCC=4.3 V)

 Wide -3 dB Bandw idth: > 400 MHz

 Packaged in Space-Saving 20-Lead MLP

(2.5 x 4.5 mm)

 7.5 kV ESD Rating; >16 kV Pow er/GND ESD

Rating

 Low COFF Capacitance: 2.5 pF Typical

Applications

 DIMM DDR Memory

Description

The FSA1208 is a low -pow er, eight-port, high-speed

sw itch. This part is configured as a single-pole, single-

throw sw itch 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 6 pF Superior channel-to-channel crosstalk

minimizes interference.

The FSA1208 contains special circuitry on the A & B

pins that allow s the device to w ithstand an over-voltage

condition. This device is also designed to minimize

current consumption even w hen the control voltage

applied to the /OE pin is low er than the supply voltage

(VCC). Applications include port isolation and sw itching

in DDR memory modules, portable cell phones, PDAs,

digital cameras, printers, and notebook computers.

Ordering Information

Part Number Top Mark

FSA1208BQX

F1208

Operating

Temperature Range

-40 to +85°C

Package

20-Lead, Quad, Molded Leadless Package

(MLP), 2.5 x 4.5 mm

DIMM

OE

VCC

DIMM

DIMM Slot

Figure 1. Analog Sym bol

© 2008 Semiconductor Components Industries, LLC

October-2017, Rev. 2

Publication Order Number:

FSA1208/D

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