• Part: IMIC9531
  • Description: PCIX I/O System Clock Generator
  • Manufacturer: Cypress
  • Size: 115.60 KB
Download IMIC9531 Datasheet PDF
Cypress
IMIC9531
Features Features - Dedicated clock buffer power pins for reduced noise, crosstalk and jitter - Input clock frequency of 25 MHz to 33 MHz - Output frequencies of XINx1, XINx2, XINx3 and XINx4 - One output bank of 5 clocks. - One REF XIN clock output. - SMBus clock control interface for individual clock disabling and SSCG control - Output clock duty cycle is 50% (± 5%) - < 250 ps skew between output clocks within a bank - Output jitter <175 ps - Spread Spectrum feature for reduced electromagnetic interference (EMI) - OE pin for entire output bank enable control and testability - 28-pin SSOP and TSSOP packages Table 1. Test Mode Logic Table[1] Input Pins OE HIGH HIGH HIGH HIGH LOW S1 LOW LOW HIGH HIGH X S0 LOW HIGH LOW HIGH X Output Pins CLK XIN 2 - XIN 3 - XIN 4 - XIN REF XIN XIN XIN XIN Three-state Three-state Block Diagram Pin Configuration 1 2 3 4 5 6 28 27 26 25 24 23 SDATA SCLK VSS VDDP CLK0 CLK1 CLK2 VSS VDDP CLK3 CLK4 VDDA VSS SSCG# SSCG# SSCG Logic /N 1 0 CLK0...