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ICS952302 Datasheet(PDF) 1 Page - Integrated Circuit Systems |
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ICS952302 Datasheet(HTML) 1 Page - Integrated Circuit Systems |
1 / 15 page Integrated Circuit Systems, Inc. ICS952302 0957B—10/05/04 Frequency Generator for Transmeta TM EfficeonTM Pin Configuration Recommended Application: Transmeta Efficion, ATi M6 Output Features: • 3 - CPUs @ 3.3V including 1 free running CPUCLK_F • 7 - PCI @ 3.3V, including 4 free running PCICLK_F • 1 - 27MHz clock @ 3.3V • 2 - 48MHz clocks @ 3.3V • 2 - REF clocks @3.3V Key Specifications: • CPU output jitter: < 250ps • PCI output skew: < 250ps • CPUT - PCI output skew: 1-3ns • 27MHz Accuracy < 50ppm • 48MHz Accuracy < 50ppm Functionality Features: • Support I2C Index read/write and block read/write operations. • Uses external 14.318MHz referience input or XTAL. • Full Load Power consumption reduced >10% compared to reference device • Power management via SMBus 00 0 +/-0.3 00 1 +/-0.6 01 0 +/-0.25 01 1 +/-0.45 10 0 -0.60% 10 1 -1.20% 11 0 -0.50% 11 1 -0.90% DOWN Spread % Byte 4b7 Byte 4b6 Byte 4b5 CENTER VDDREF 148 REF1 REF0 247 VDDCPU GNDREF 346 N/C X1 445 CPUCLK0 X2 544 GNDCPU VDDPCI 643 CPUCLK1 PCICLK_F0 742 CPUCLK_F PCICLK_F1 841 CPU_STOP# GNDPCI 940 GND PCICLK0 10 39 N/C PCICLK1 11 38 OE* PCICLK_F2 12 37 N/C PCICLK_F3 13 36 VDD VDDPCI 14 35 N/C PCICLK2 15 34 VDD27 GNDPCI 16 33 GND N/C 17 32 27MHZ N/C 18 31 N/C VDDCOR 19 30 N/C PCI_STOP# 20 29 N/C **PD# 21 28 GND48 GND48 22 27 VDD48 SDATA 23 26 48MHZ_1 SCLK 24 25 48MHZ_0 48-TSSOP * Internal Pull-Up Resistor **No Diode Clamp to VDD |
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