SY89465U datasheet(12/19 Pages) MICREL

Part #	SY89465U

Description	Precision LVDS 1:10 Fanout with 2:1 Runt Pulse Eliminator MUX and Internal Termination

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Manufacturer	MICREL [Micrel Semiconductor]

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12 / 19 page

Micrel, Inc.

SY89465U

December 2005

M9999-120105-A

hbwhelp@micrel.com or (408) 955-1690

12

Enable Output (EN) Description

The enable function is synchronous so that the

outputs will be enabled/disabled when they are

already in the LOW state. This avoids any chance of

generating a runt pulse when the device is

enabled/disabled as can happen with asynchronous

control.

Disable Output(s):

1. EN toggles from High-to-Low

2. Output(s) follow the selected Clock input

3. Output (CLK) goes to a logic LOW level

(/CLK goes to a logic HIGH), after next High-

to-Low transition of the selected input. See

Timing Diagram 5.

Enable Output(s):

1. EN toggles from Low-to-High.

2. Output(s) follow the selected clock after next

HIGH-to-LOW transition of the selected

input. See “Timing Diagram 5.”

Timing Diagram 5

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