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Integrated Device Technology Electronic Components Datasheet



ICS9LPRS436C

Low Power Clock



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ICS9LPRS436C pdf
Low Power Clock for Intel Atom®-Based Systems
DATASHEET
ICS9LPRS436C
Recommended Application:
NM10 Express Chipset + N450/D410/D510 Atom® CPUs
Output Features:
• 2 - 0.8V push-pull differential CPU pairs
• 2 - 0.8V push-pull differential PCIEX pairs
• 1 - 0.8V push-pull differential SATA75 pair
• 1 - 0.8V push-pull differential DOT96 pair
• 1 - 0.8V push-pull differential CPU/PCIEX selectable pair
• 1 - PCI (33MHz)
• 1 - PCICLK_F, (33MHz) free-running
• 1 - USB, 48MHz
• 1 - 12/48MHz
• 1 - 25MHz
• 1 - REF, 14.318MHz
• 1 - 12.288MHz
Key Specifications:
• CPU outputs cycle-cycle jitter < 85ps
• PCIEX outputs cycle-cycle jitter < 125ps
• SATA outputs cycle-cycle jitter < 125ps
• PCI outputs cycle-cycle jitter < 500ps
• +/- 100ppm frequency accuracy on all clocks
Features/Benefits:
• VDDSUSP allows 25MHz to run in S-states
• Supports programmable spread percentage
• Uses external 25MHz crystal, external crystal load caps
are required for frequency tuning
• PEREQ# pins to support PCIEX/SATA power
management.
• Low power differential clock outputs (No 50Ω resistor to
GND needed)
• Integrated 33Ω series resistor on all differential outputs.
Pin Configuration
**FS3/12_288M_2x 1
VDD12_288 2
PEREQ1# 3
PEREQ2# 4
**FS4/PCICLK0_2x 5
GND 6
VDDPCI 7
**ITP_EN/PCICLK_F0_2x 8
PEREQ3# 9
*SEL12_48#/12_48MHz_2x 10
VDD 11
FSLA/USB48_2x 12
GND 13
DOTT_96MHzLR 14
DOTC_96MHzLR 15
FSLB 16
GNDSATA 17
SATAT_LR/PCIeT_LR3 18
SATAC_LR/PCIeC_LR3 19
VDDSATA 20
PCIeT_LR0 21
PCIeC_LR0 22
PCIeT_LR1 23
PCIeC_LR1 24
48 GND
47 GND
46 REF0_2x/FSLC
45 VDD14
44 Vtt_PwrGd/WOL_STOP#
43 VDDSUSP
42 25MHz
41 GND
40 X1_25
39 X2_25
38 PCI&PCIEX_STOP#
37 CPU_STOP#
36 SDATA
35 SCLK
34 GND
33 CPUT_LR0
32 CPUC_LR0
31 VDDCPU
30 CPUT_LR1
29 CPUC_LR1
28 CPUITPT_LR2/PCIeT_LR2
27 CPUITPC_LR2/PCIeC_LR2
26 VDDPCIEX
25 GND
48-TSSOP
* Internal Pull-Up Resistor
** Internal Pull-Down Resistor
IDT® Low Power Clock for Intel Atom®-Based Systems
1
1561A — 06/01/10
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No Preview Available !

ICS9LPRS436C pdf
ICS9LPRS436C
Low Power Clock for Intel Atom®-Based Systems
48 47 46 45 44 43 42 41 40 39 38 37
**FS3/12_288M_2x 1
36 SDATA
VDD12_288 2
35 SCLK
PEREQ1# 3
34 GND
PEREQ2#
**FS4/PCICLK0_2x
GND
4
5
6
9LPRS436
48 MLF
33 CPUT_LR0
32 CPUC_LR0
31 VDDCPU
VDDPCI 7
**ITP_EN/PCICLK_F0_2x 8
PEREQ3# 9
6x6mm
0.4mm pitch
30 CPUT_LR1
29 CPUC_LR1
28 CPUITPT_LR2/PCIeT_LR2
*SEL12_48#/12_48MHz_2x 10
27 CPUITPC_LR2/PCIeC_LR2
VDD 11
FSLA/USB48_2x 12
26 VDDPCIEX
25 GND
13 14 15 16 17 18 19 20 21 22 23 24
* Internal Pull-Up Resistor
** Internal Pull-Down Resistor
IDT® Low Power Clock for Intel Atom®-Based Systems
2
1561A — 06/01/10



Part Number ICS9LPRS436C
Description Low Power Clock
Maker Integrated Device Technology - Integrated Device Technology
Total Page 20 Pages
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