W40S01-04

W40S01-04 SDRAM Buffer - 4 DIMM Features Eighteen skew controlled CMOS outputs (SDRAM0:17) Supports four SDRAM DIMMs Ideal for high-performance systems designed around Intel®’s 440BX chip set I2C serial configuration interface Output skew between any two outputs is less than 250 ps 1 to 5 ns propagation delay DC to 133-MHz operation Single 3.3V supply voltage Low power CMOS design packaged in a 48-pin SSOP (Small Shrink Outline Package) Key Specifications Supply Voltages: ....................................... VDDQ3 = 3.3V±5% Operating Temperature:.................................... 0°C to +70°C Input Threshold: .................................................. 1.5V typical Maximum Input Voltage: ...................................VDDQ3 + 0.5V Input Frequency:............................................... 0 to 133 MHz BUF_IN to SDRAM0:17 Propagation Delay: ...... 1.0 to 5.0 ns Output Edge Rate:.................................................. >1.5 V/ns Output Skew: ............................................................ ±250 ps Output Duty Cycle: .................................. 45/55% worst case Output Impedance: ........................................15 ohms typical Output Type: ................................................ CMOS rail-to-rail Part to Part Skew:........................................................700 ps Overview The Cypress W40S01-04 is a low-voltage, eighteen-output signal buffer. Output buffer impedance is approximate...