IDT, Integrated Device Technology Inc 9LPRS471CKLF
- Part Number:
- 9LPRS471CKLF
- Manufacturer:
- IDT, Integrated Device Technology Inc
- Ventron No:
- 2971463-9LPRS471CKLF
- Description:
- IC SYST CLK PROGR K8TM 64-VFQFPN
- ECAD Model:
-
- Datasheet:
- 9LPRS471CKLF
Description
The LPRS471C.2 is a programmable system clock chip designed for ATI RS790 systems using AMD K8 processors. It provides a range of clock outputs, including:
6 lowpower differential SRC pairs
2 lowpower differential SouthBridge SRC pairs
4 lowpower differential ATIG pairs
1 selectable lowpower differential 100MHz nonspread SATA/SRC output
1 selectable 100MHz lowpower differential/66MHz singleended HTT clock
2 48MHz USB clocks
3 14.318MHz Reference clocks
Features
CPU outputs cycletocycle jitter < 85ps
SRC outputs cycletocycle jitter < 125ps
ATIG outputs cycletocycle jitter < 125ps
/ 300ppm frequency accuracy on CPU, SRC, and ATIG clocks
CPU, ATIG, SB SRC, and SRC outputs are independently programmable for frequency
Spread Spectrum for EMI reduction
Outputs may be disabled via SMBus
External crystal load capacitors for maximum frequency accuracy
Meets PCIEX Gen2 specifications
Applications
ATI RS790 systems using AMD K8 processors
The LPRS471C.2 is a programmable system clock chip designed for ATI RS790 systems using AMD K8 processors. It provides a range of clock outputs, including:
6 lowpower differential SRC pairs
2 lowpower differential SouthBridge SRC pairs
4 lowpower differential ATIG pairs
1 selectable lowpower differential 100MHz nonspread SATA/SRC output
1 selectable 100MHz lowpower differential/66MHz singleended HTT clock
2 48MHz USB clocks
3 14.318MHz Reference clocks
Features
CPU outputs cycletocycle jitter < 85ps
SRC outputs cycletocycle jitter < 125ps
ATIG outputs cycletocycle jitter < 125ps
/ 300ppm frequency accuracy on CPU, SRC, and ATIG clocks
CPU, ATIG, SB SRC, and SRC outputs are independently programmable for frequency
Spread Spectrum for EMI reduction
Outputs may be disabled via SMBus
External crystal load capacitors for maximum frequency accuracy
Meets PCIEX Gen2 specifications
Applications
ATI RS790 systems using AMD K8 processors
IDT, Integrated Device Technology Inc 9LPRS471CKLF technical specifications, attributes, parameters and parts with similar specifications to IDT, Integrated Device Technology Inc 9LPRS471CKLF.
- Mounting TypeSurface Mount
- Package / Case64-VFQFN Exposed Pad
- Operating Temperature0°C~70°C
- PackagingTube
- Part StatusObsolete
- Moisture Sensitivity Level (MSL)3 (168 Hours)
- Voltage - Supply3.3V
- Base Part NumberICS9LPRS471
- OutputClock
- InputCrystal
- PLLNo
- Main PurposeAMD CPU, SATA CPU
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