Renesas’ Timing product portfolio has been acquired by SiTime.

Datasheets, documentation, and sample orders remain available on Renesas.com through late 2026. For new designs, purchasing, support, and product inquiries, visit SiTime.com or send an email to [email protected]. Full transition to SiTime is expected by late 2026.

9UMS9001

PC Main Clock-CK540

Features

2 - CPU Low Power differential push-pull pairs
1 - ITP low power differential push-pull pair
4 - SRC low power differential push-pull pairs
1 - LCD100 SSCD low power differential push-pull pair
1 - DOT96 low power differential push-pull pair
3 - PCI, 33MHz
1 - USB, 48MHz
1 - REF, 14.31818MHz
Supports Dothan ULV CPUs with 100 and 133 MHz CPU outputs
Dedicated TEST/SEL and TEST/MODE pins saves isolation resistors on pins
PCI_SRC and CPU STOP inputs for power management
Fully integrated Vreg
Integrated series resistors on differential outputs
Supports split rail operation for maximum power savings
Also runs from single 3.3V rail
1.05V-3.3V support for differential VDDIO

Find Other Products in Clock Generation

9UMS9001 - Block Diagram

9UMS9001 - Pinout

9UMS9001 - Pinout

Description

PC Main Clock - CK540

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