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Integrated Device Technology - PROGRAMMABLE FLEXPC CLOCK FOR P4 PROCESSOR

Numéro de référence IDTCV115C
Description PROGRAMMABLE FLEXPC CLOCK FOR P4 PROCESSOR
Fabricant Integrated Device Technology 
Logo Integrated Device Technology 





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IDTCV115C fiche technique
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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

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