PI6C410M/410MA
Clock Generator for Intel PCI Express Mobile Chipset
Features
• 14.318 MHz Crystal Input
• Selectable of 100, 133, 166, 200, 266, 333, and 400 MHz
CPU Output Frequencies
• SMBus: Power Management Control
• Spread Spectrum support (-0.5% down spread)
• Packaging (Pb-free & Green available):
— 56-Pin TSSOP
Description
PI6C410M is a high-speed, low-noise clock generator designed
to work with the Intel Mobile PCI Express Chipset. This Spread
Spectrum PLL based clock generator reduces EMI emission and
supports a wide range of frequencies.
Jitter Performance
•
•
•
•
•
•
Output Features
• Two Pairs of Differential CPU Clocks
• One selectable of CPU/SRC Clock
• Seven Pairs of SRC Clocks
• Six PCI Clocks
• One 48 MHz USB clock
• One REF clock
• One 96 MHz Differential clock
< 85ps Cycle-to-Cycle CPU 0/1 clock jitter
< 125ps Cycle-to-Cycle CPU 2 clock jitter
< 350ps Cycle-to-Cycle 48 MHz clock jitter
< 500ps Cycle-to-Cycle PCI clock jitter
< 125ps Cycle-to-Cycle SRC clock jitter
< 1000ps Cycle-to-Cycle REF clock jitter
Skew Performance
•
•
•
•
< 100ps Output-to-output CPU 0/1 clock skew
< 150ps Output-to-output CPU 2 clock skew
< 500ps Output-to-output PCI clock skew
< 250ps Output-to-output SRC clock skew
Block Diagram
XTAL_IN
XTAL_OUT
SDA
SCL
XTAL
OSC
Pin Configuration
PLL 2
DOT_96
DOT 96#
/2
SMBus
Logic
PLL 1
USB_48 / FS_A
REF
PCIF_0 / ITP_EN
USB_48 / FS_A
FS_B / TEST_MODE
C
O
N
T
R
O
L
Div
PCI [2:5]
PCIF[0:1]
FS_C / TEST_SEL
VTT_PWRGD#
/ PWRDWN
Div
SRC [0:6]
SRC [0:6]#
CPU2_ITP / SRC7
CPU2_ITP# / SRC7#
PCI_STOP#
CPU_STOP#
Div
CPU[0:1]
CPU[0:1]#
VDD_PCI
VSS_PCI
PCI_3
PCI_4
PCI_5
VSS_PCI
VDD_PCI
PCIF_0 / ITP_EN
PCIF_1
VTT_PWRGD# / PWRDWN
VDD_48
USB_48/FS_A
VSS_48
DOT_96
DOT_96#
FS_B / TEST_MODE
SRC_0
SRC_0#
SRC_1
SRC_1#
VDD_SRC
SRC_2
SRC_2#
SRC_3
SRC_3#
SRC_4
SRC_4#
VDD_SRC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
PCI_2
PCI_STOP#
CPU_STOP#
FS_C / TEST_SEL
REF
VSS_REF
XTAL_IN
XTAL_OUT
VDD_REF
SDA
SCL
VSS_CPU
CPU_0
CPU_0#
VDD_CPU
CPU_1
CPU_1#
IREF
VSS_A
VDD_A
CPU2_ITP / SRC7
CPU2_ITP# / SRC7#
VDD_SRC
SRC_6
SRC_6#
SRC_5
SRC_5#
VSS_SRC
1
PS8736C
12/19/05
PERICOM [ PERICOM SEMICONDUCTOR CORPORATION ]
