Integrated
Circuit
ICS954201
Systems, Inc.
Programmable Timing Control Hub™ for Mobile P4™ Systems
Recommended Application:
Features/Benefits:
CK410M clock, Intel Yellow Cover part
•
Supports tight ppm accuracy clocks for Serial-ATA and
PCI-Express
Output Features:
•
Supports spread spectrum modulation, 0 to -0.5%
down spread
•
•
2 - 0.7V current-mode differential CPU pairs
7 - 0.7V current-mode differential SRC pair for SATA and
PCI-E
•
•
Supports CPU clocks up to 400MHz
Uses external 14.318MHz crystal, external crystal load
caps are required for frequency tuning
•
1 - 0.7V current-mode differential CPU/SRC selectable
pair
•
Supports undriven differential CPU, SRC pair in PD#
for power management.
•
•
•
•
•
4 - PCI (33MHz)
2 - PCICLK_F, (33MHz) free-running
1 - USB, 48MHz
1 - DOT, 96MHz, 0.7V current differential pair
1 - REF, 14.318MHz
Key Specifications:
•
•
•
•
•
CPU outputs cycle-cycle jitter < 85ps
SRC outputs cycle-cycle jitter < 125ps
PCI outputs cycle-cycle jitter < 500ps
+/- 300ppm frequency accuracy on CPU & SRC clocks
+/- 100ppm frequency accuracy on USB clocks
Pin Configuration
Functionality
CPU
MHz
SRC
MHz
PCI
MHz
REF
MHz
USB
MHz
DOT
MHz
VDDPCI 1
GND 2
PCICLK3 3
PCICLK4 4
PCICLK5 5
56 PCICLK2
FS_C1 FS_B2 FS_A2
55 PCI/SRC_STOP#
54 CPU_STOP#
53 FS_C/TEST_SEL
52 REFOUT
51 GND
50 X1
49 X2
48 VDDREF
47 SDATA
46 SCLK
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
266.66
133.33
200.00
166.66
333.33
100.00
400.00
100.00 33.33 14.318
100.00 33.33 14.318
100.00 33.33 14.318
100.00 33.33 14.318
100.00 33.33 14.318
100.00 33.33 14.318
100.00 33.33 14.318
48.00
48.00
48.00
48.00
48.00
48.00
48.00
48.00
96.00
96.00
96.00
96.00
96.00
96.00
96.00
96.00
GND 6
VDDPCI 7
ITP_EN/PCICLK_F0 8
PCICLK_F1 9
Vtt_PwrGd#/PD 10
VDD48 11
USB_48MHz/FS_A 12
GND 13
RESERVED
14.318
1. FS_C is a three-level input. Please see VIL_FS and VIH_FS specifications in
the Input/Supply/Common Output Parameters Table for correct values.
Also refer to the Test Clarification Table.
2. FS_B and FS_A are low-threshold inputs. Please see the VIL_FS and VIH_FS
specifications in the Input/Supply/Common Output Parameters Table for correct values.
45 GND
44 CPUCLKT0
43 CPUCLKC0
42 VDDCPU
41 CPUCLKT1
40 CPUCLKC1
39 IREF
DOTT_96MHz 14
DOTC_96MHz 15
FS_B/TEST_MODE 16
SRCCLKT0 17
SRCCLKC0 18
SRCCLKT1 19
SRCCLKC1 20
VDDSRC 21
SRCCLKT2 22
SRCCLKC2 23
SRCCLKT3 24
SRCCLKC3 25
SRCCLKT4_SATA 26
SRCCLKC4_SATA 27
VDDSRC 28
38 GNDA
37 VDDA
36 CPUCLKT2_ITP/SRCCLKT7
35 CPUCLKC2_ITP/SRCCLKC7
34 VDDSRC
33 SRCCLKT6
32 SRCCLKC6
31 SRCCLKT5
30 SRCCLKC5
29 GND
56-pin SSOP & TSSOP
0819G—12/06/04