AK8122E datasheet(1/9 Pages) AKM

Part #	AK8122E

Description	Differential Zero Delay Clock Buffer

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Manufacturer	AKM [Asahi Kasei Microsystems]

Direct Link	http://www.akm.com

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ASAHI KASEI EMD CORPORATION

MS0971-E-00

Dec-10

- 1 -

Differential Zero Delay

Clock Buffer

AK8122

Features

Operational Frequency Range:

160MHz – 400MHz

Output delay:

-30 ±100ps

Low Jitter Performance:

20 ps (Period RMS 190 – 360MHz)

30 ps (cycle – cycle RMS 190 – 360MHz)

70 ps (Half Period RMS 190 – 250MHz)

60 ps (Half Period RMS 250 – 300MHz)

40 ps (Half Period RMS 300 – 360MHz)

Supply Voltage:

1.8 ±0.1V

Operating Temperature Range:

-20 to +85℃ : AK8122E

-40 to +85℃ : AK8122V

Package:

8-pin MSOP(Lead Free)

Description

The AK8122 is a high performance differential zero

delay clock buffer IC with Phase Locked Loop

(PLL). Target application is DDR2 SDRAM and

characteristics of these ICs are acceptable to

standards of JEDEC.

Applications

DDR2 SDRAM Clock Buffer

Block Diagram

AK8122 Differential Zero Delay Clock Buffer

CLKP

VDD

VSS

OUTP

OUTN

CLKN

TSTI

(VSS)

TSTO

(VDD)

FBINP

FBINN

BIAS

C

P

L

P

F

V

C

O

P

F

C

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