PDF IDTCV115C Data sheet ( Hoja de datos )

Número de pieza	IDTCV115C
Descripción	PROGRAMMABLE FLEXPC CLOCK FOR P4 PROCESSOR
Fabricantes	Integrated Device Technology
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No Preview Available ! www.DataSheet4U.com IDTCV115C PROGRAMMABLEFLEXPC™ CLOCKFORP4PROCESSOR COMMERCIALTEMPERATURERANGE PROGRAMMABLE FLEXPC™ CLOCK FOR P4 PROCESSOR IDTCV115C FEATURES: • One high precision N and SSC programmable PLL for SRC/PCI • One high precision N and SSC programmable PLL for CPU • One high precision SSC programmable PLL for SATA • One high precision PLL for 96MHz/48MHz • Band-gap circuit for differential outputs • Support multiple spread spectrum modulation, down and center • Support SMBus block read/write, index read/write • Selectable output strength for REF, PCI, and USB48MHz • Available in SSOP package DESCRIPTION: IDTCV115C is a 56 pin clock device, complying the latest Intel CK410 requirements, for Intel advance P4 processors. The CPU output buffer is designed to support up to 400MHz processor. One dedicated PLL for Serial ATA clock provides high accuracy frequency. This device also implements Band-gap referenced IREF to reduce the impact of VDD variation on differential outputs, which can provide more robust system performance. Each CPU/SRC/PCI, SATA clock has its own Spread Spectrum selection, which allows for isolated changes instead of affecting other clock groups. KEY SPECIFICATION: • CPU/SRC CLK cycle to cycle jitter < 85ps • SATA CLK cycle to cycle jitter < 85ps • Static PLL frequency divide error < 114 ppm • Static PLL frequency divide error for 48MHz < 5 ppm FUNCTIONAL BLOCK DIAGRAM DataSheet4U.com SATA PLL SCC Programmable SATA/ 14.318MHz Osc PCIEX PLL SCC N Programmable CPU PLL SCC N Programmable PCIE/ Host/ PCI/ MUX SRC4 - SATA PCI[4:0], PCIF[2:0] SRC[6:5] [3:1] CPU_ITP/ SRC7 CPU[1:0] 48MHz/ USB48 DataShee Fixed PLL No SCC OUTPUT TABLE CPU CPU_ITP/SRC 21 SRC 5 DataSheet4U.com The IDT logo is a registered trademark of Integrated Device Technology, Inc. COMMERCIAL TEMPERATURE RANGE © 2004 Integrated Device Technology, Inc. SATA 1 1 96MHz/ PCI/PCIF 8 DOT96 REF DOT96 48MHz 1 11 MAY 2004 DSC - 6520/10 1 page www.DataSheet4U.com IDTCV115C PROGRAMMABLEFLEXPC™ CLOCKFORP4PROCESSOR COMMERCIALTEMPERATURERANGE S.E. CLOCK STRENGTH SELECTION (PCI, REF, USB48) Str[1:0] Multiple loads Single loads 00 2L Recommend 01 1H Recommend 10 1L Recommend 11 2H Recommend USB48 Recommend Recommend SSC MAGNITUDE CONTROL, SMC et4U.com SMC[2:0] 000 001 010 011 100 101 110 111 % OFF - 0.25 - 0.5 ±0.125 ±0.25 ±0.375 ±0.5 ±0.75 PCI When Byte5 bit6 = 0; otherwise, PCI = SRC frequency/3 PCIS[1:0] 00 01 10 11 PCI 33.33 36.36 40 S_CBS[1:0], H_CBS[1:0] BAND SELECTION DataSheet4U.com S_CNS, S_PNS, H_CNS,H_PNS N SELECTION S_CBS/H_CBS[1:0] 00 01 10 11 FS[C,B,A] CB1_[2:0], byte17, CPU PLL Mode selection1 CB2_[2:0], byte17, CPU PLL Mode selection2 Don’t care NS[1:0] 00 01 10 11 Standard of Each CPU Mode (Band) N Selection 1 N Selection 2 Don’t care DataShee RESOLUTION CPU = 100MHz mode CPU = 133MHz mode CPU = 166MHz mode CPU = 200MHz mode CPU = 266MHz mode CPU = 333MHz mode CPU = 400MHz mode SRC (PCI Express) N Resolution (MHz) 0.666667 0.888889 1.333333 1.333333 2.666667 2.666667 2.666667 0.666667 % 0.67% 0.67% 0.8% 0.67% 1.00% 0.8% 0.67% 0.67% N= 150 150 125 150 100 125 150 150 CB1[2:0]. CB2[2:0], CPU MODE SELECTION CB[2:0] CPU Mode, MHz 101 100 001 133 011 166 010 200 000 266 100 333 110 400 111 Reserve DataSheet4U.com 5 5 Page www.DataSheet4U.com IDTCV115C PROGRAMMABLEFLEXPC™ CLOCKFORP4PROCESSOR BYTE 27 Bit 7 6 5 4 3 2 1 0 Output(s) Affected Watch Dog Enable Soft Alarm Enable Reserved Hard Alarm Enable Reserved Hard Alarm FS Relatch Enable Reserved Description / Function Watch Dog Enable Soft Alarm Enable Hard Alarm Enable Relatch FS[C, B, A] at Hard Alarm 0 Disable Disable Disable Disable COMMERCIALTEMPERATURERANGE 1 Enable Enable Enable Relatch Type Power On RW 0 RW 0 RW 0 RW 0 RW 0 RW 0 RW 0 BYTE 42, 43 SRC SPREAD MAGNITUDE (1) BYTE 44 SRC SPREAD CENTER(1) BYTE 38 SRC SPREAD CONTROL SWITCH (FROM BYTE 6 TO BYTES 42, 43, 44)(1) NOTE: 1. Contact IDT for detailed application note. et4U.com DataShee DataSheet4U.com DataSheet4U.com 11 11 Page

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Número de pieza	Descripción	Fabricantes
IDTCV115C	PROGRAMMABLE FLEXPC CLOCK FOR P4 PROCESSOR	Integrated Device Technology

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