1

INDUSTRIALTEMPERATURERANGE

IDT5V9352

3.3V/2.5V PHASE-LOCK LOOP CLOCK DRIVER ZERO DELAY BUFFER

÷6

÷4

÷2

÷2

VCO

1

0

1

0

CCLK

1

0

BANK A

BANK B

BANK C

1

0

1

0

PLL_En

REFCLK

FBIN

MR/OE

PLL

REF

FB

AUGUST 2003

2003

Integrated Device Technology, Inc.

DSC 5973/18

c

IDT5V9352

INDUSTRIAL TEMPERATURE RANGE

3.3V/2.5V PHASE-LOCK

LOOP CLOCK DRIVER

ZERO DELAY BUFFER

The 5V9352 is a low-skew, low-jitter, phase-lock loop (PLL) clock driver

targeted for high performance clock tree applications. It uses a PLL to

precisely align, in both frequency and phase. The 5V9352 operates at 2.5V

and 3.3V.

FUNCTIONAL BLOCK DIAGRAM

DESCRIPTION:

The 5V9352 features three banks of individually configurable outputs.

The banks are configured with five, four, and two outputs. The internal

divide circuitry allows for output frequency ratios of 1:1, 2:1, 3:1, and 3:2:1.

compatibleinputs

Unlike many products containing PLLs, the 5V9352 does not require

external RC networks. The loop filter for the PLL is included on-chip,

minimizing component count, board space, and cost.

Because it is based on PLL circuitry, the 5V9352 requires a stabilization

time to achieve phase lock of the feedback signal to the reference signal.

This stabilization time is required, following power up and application of a

fixed-frequency, fixed-phase signal at REFCLK, as well as following any

changes to the PLL reference or feedback signals. The PLL can be

bypassed for test purposes by setting the PLL_EN to high.

The 5V9352 is available in Industrial temperature range (-40°C to

+85°C).

The IDT logo is a registered trademark of Integrated Device Technology, Inc.

FEATURES:

• Phase-lock loop clock distribution for high performance clock

tree applications

• Output enable bank control

• External feedback (FBIN) pin is used to synchronize the

outputs to the clock input signal

• No external RC network required for PLL loop stability

• Spread Spectrum Compatible

• Operating frequency up to 200MHz

• Compatible with Motorola MPC9352

• Available in 32-pin TQFP package