GENERAL DESCRIPTION

The W83178S is a 13 outputs SDRAM clock buffer for 3-DIMMs models incorporate with W83196S-14 which is the clock synthesizer especially for the 100 MHz models such as Intel BX chipsets. (Refer the datasheet fo Winbond W83196S-14)

FEATURES

· Supports Intel Pentium II CPUs for BX chipset

· 13 SDRAM clocks for 3-DIMMs

· Clock skew less than 250 pS

· Almost none delay Buffer-in controlling SDRAM clocks(<4 nS propagation delay)

· I2C 2-wire serial interface

· Programmable registers to enable/stop each output

· Incorporate with W83196S-14

· Packagedin 28-pin SOP