Description

Output Features

DDR I/DDR II Zero Delay Clock Buffer

• Low skew, low jitter PLL clock driver

• Max frequency supported = 400MHz (DDRII 800)

• I2C for functional and output control

• Feedback pins for input to output synchronization

• Spread Spectrum tolerant inputs

• Programmable skew through SMBus

• Frequency defect control thorugh SMBus

• Individual output control programmable through SMBus

Key Specifications

• CYCLE - CYCLE jitter: <100ps

• OUTPUT - OUTPUT skew: <100ps

• DUTY CYCLE: 48 - 52

• 28-pin SSOP package

• Available in RoHS compliant packaging

• Operates @ 2.5V or 1.8V