W311

• Maximized EMI Suppression using Cypress's Spread Spectrum Technology
• System frequency synthesizer for VIA Pro-2000
• Programmable clock output frequency with less than 1 MHz increment
• Integrated fail-safe Watchdog Timer for system recovery
• Automatically switch to HW selected or SW programmed clock frequency when Watchdog Timer time-out
• Capable of generate system RESET after a Watchdog Timer time-out occurs or a change in output frequency via SMBus interface
• Support SMBus byte read/write and block read/ write operations to simplify system BIOS development
• Vendor ID and Revision ID support
• Programmable drive strength for CPU and PCI output clocks
• Programmable output skew between CPU, AGP and PCI
• Supports Intel® Celeron® and Pentium® III class processor
• Three copies of CPU output
• Nine copies of PCI output
• One 48 MHz output for USB
• One 24 MHz or 48 MHz output for SIO
• Two buffered reference outputs
• Three copies of APIC output
• Supports frequencies up to 200MHz
• SMBus Interface for programming
• Power management control inputs
• Available in 48-pin SSOP

Stresses greater than those listed in this table may cause permanent damage to the device. These represent a stress rating only. Operation of the device at these or any other conditions above those specified in the operating sections of this specification is not implied. Maximum conditions for extended periods may affect reliability.
V_DD, V_IN Voltage on any pin with respect to GND ...........0.5 to +7.0 V
T_STG Storage Temperature ............................................65 to +150
T_B Ambient Temperature under Bias ...............................55 to +125
T_A Operating Temperature ....................................................0 to +70
ESD_PROT Input ESD Protection.............................................. 2 (min.) kV