ASM5I9772AG-52-ER datasheet(10/15 Pages) ALSC

Part #	ASM5I9772AG-52-ER

Description	2.5V or 3.3V, 200-MHz, 12-Output Zero Delay Buffer

Download	15 Pages

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Manufacturer	ALSC [Alliance Semiconductor Corporation]

Direct Link	https://www.alliancememory.com

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10 / 15 page

June 2005

ASM5I9772A

rev 0.3

2.5V or 3.3V, 200-MHz, 12-Output Zero Delay Buffer

10 of 15

Notice: The information in this document is subject to change without notice.

Power Management

The individual output enable / freeze control of the

ASM5I9772A allows the user to implement unique power

management schemes into the design. The outputs are

stopped in the logic ‘0’ state when the freeze control bits

are activated. The serial input register contains one

programmable freeze enable bit for 12 of the 14 output

clocks. The QC0 and FB_OUT outputs cannot be frozen

with the serial port. This avoids any potential lock up

situation should an error occur in the loading of the serial

data. An output is frozen when a logic ‘0’ is programmed

and enabled when a logic ‘1’ is written. The enabling and

freezing of individual outputs is done in such a manner as

to eliminate the possibility of partial “runt” clocks. The

serial input register is programmed through the SDATA

input by writing a logic ‘0’ start bit followed by 12 NRZ

freeze enable bits. The period of each SDATA bit equals

the period of the free running SCLK signal. The SDATA is

sampled on the rising edge of SCLK.

1:1 Mode

2:1 Mode

3:1 Mode

3:2 Mode

4:1 Mode

4:3 Mode

6:1 Mode

VCO

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QC

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Figure 1

Similar Part No. - ASM5I9772AG-52-ER

Manufacturer	Part #	Datasheet	Description
Alliance Semiconductor ...	ASM5I9773A	624Kb / 16P	2.5V or 3.3V, 200-MHz, 12-Output Zero Delay Buffer
	ASM5I9773A-52-ER	624Kb / 16P	2.5V or 3.3V, 200-MHz, 12-Output Zero Delay Buffer
	ASM5I9773A-52-ET	624Kb / 16P	2.5V or 3.3V, 200-MHz, 12-Output Zero Delay Buffer
	ASM5I9773AG-52-ER	624Kb / 16P	2.5V or 3.3V, 200-MHz, 12-Output Zero Delay Buffer
	ASM5I9773AG-52-ET	624Kb / 16P	2.5V or 3.3V, 200-MHz, 12-Output Zero Delay Buffer

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Similar Description - ASM5I9772AG-52-ER

Manufacturer	Part #	Datasheet	Description
Cypress Semiconductor	CY29773	102Kb / 12P	2.5V or 3.3V, 200-MHz, 12-Output Zero Delay Buffer
PulseCore Semiconductor	PCS5I9773	625Kb / 16P	2.5V or 3.3V, 200-MHz, 12-Output Zero Delay Buffer
PulseCore Semiconductor	PCS5I9774	479Kb / 12P	2.5V or 3.3V, 200-MHz, 12-Output Zero Delay Buffer
Alliance Semiconductor ...	ASM5I9773A	624Kb / 16P	2.5V or 3.3V, 200-MHz, 12-Output Zero Delay Buffer
PulseCore Semiconductor	PCS5I9772	584Kb / 15P	2.5V or 3.3V, 200-MHz, 12-Output Zero Delay Buffer
Cypress Semiconductor	CY29772	92Kb / 12P	2.5V or 3.3V, 200-MHz, 12-Output Zero Delay Buffer
Alliance Semiconductor ...	ASM5I9774A	477Kb / 12P	2.5V or 3.3V, 200-MHz, 12-Output Zero Delay Buffer
Cypress Semiconductor	CY29658	109Kb / 7P	2.5V or 3.3V 200-MHz 10-Output Zero Delay Buffer
Alliance Semiconductor ...	ASM5I9352	475Kb / 12P	2.5V or 3.3V, 200 MHz, 11 Output Zero Delay Buffer
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ASM5I9772AG-52-ER Datasheet(PDF) 10 Page - Alliance Semiconductor Corporation

ASM5I9772AG-52-ER Datasheet(HTML) 10 Page - Alliance Semiconductor Corporation

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