PI6C410 Pericom Semiconductor Corporation, PI6C410 Datasheet - Page 2

• Manufacturer Part Number: PI6C410
• Description: 400mhz Clock Generator For Desktop Pc
• Manufacturer: Pericom Semiconductor Corporation

Pin Description
Pin Name
REF
XTAL_IN
XTAL_OUT
CPU[0:1] & CPU[0:1]#
SRC[1:6] & SRC[1:6]#
CPU2_ITP / SRC_7 &
CPU2_ITP# / SRC_7#
PCIF_0 / ITP_EN
PCIF[1:2]
PCI[0:5]
USB_48
DOT_96 & DOT_96#
FS_A
FS_B / TEST_MODE
FS_C / TEST_SEL
IREF
VTT_PWRGD# /
PWRDWN
SDA
SCL
VDD_PCI
VDD_48
VDD_SRC
VDD_CPU
VDD_REF
VSS_PCI
VSS_48
VSS_SRC
VSS_CPU
VSS_REF
VDD_A
VSS_A
06-0020
Type
Input / Output
Ground
Ground
Ground
Ground
Ground
Ground
Output
Output
Output
Output
Output
Output
Output
Output
Output
Power
Power
Power
Power
Power
Power
Input
Input
Input
Input
Input
Input
Input
I/O
Pin No
19, 20, 22, 23,
24, 25, 26, 27,
3, 4, 5, 54, 55,
40, 41, 43, 44
30, 31, 32, 33
21, 28, 34
35, 36
14, 15
9, 10
1, 7
2, 6
52
50
49
56
12
18
16
53
39
17
47
46
11
42
48
13
29
45
51
37
38
8
2
Descriptions
3.3V 14.31818MHz output
14.31818MHz crystal input
14.31818MHz crystal output
Differential CPU outputs
Differential Serial Reference Clock outputs
Selectable Differential CPU or SRC clock output
ITP_EN = 0 @ Vtt_Pwrgd# assertion = SRC
ITP_EN = 1 @ Vtt_Pwrgd# assertion = CPU
33MHz clock output / CPU2 select when HIGH
33MHz clocks outputs (free running)
33MHz clocks outputs
48MHz clock output
96MHz differential clock output
3.3V LVTTL inputs for CPU frequency selection
3.3V LVTTL inputs for CPU frequency selection / Test Mode
select: 0 = HiZ, 1 = Ref/N
3.3V LVTTL inputs for CPU frequency selection / Test Mode
select if pulled to 3.3V when Vtt_Pwrgd# is asserted LOW
External resistor connection for internal current reference
3.3V LVTTL Level sensitive strobe used to determine to latch
the FS_A, FS_B/TEST_MODE, FS_C/TEST_SEL and PCIF0/
ITP_EN inputs (active low) / 3.3V LVTTL active high input for
Power Down operation.
SMBus compatible SDATA
SMBus compatible SCLOCK
3.3V Power Supply for Outputs
3.3V Power Supply for Outputs
3.3V Power Supply for Outputs
3.3V Power Supply for Outputs
3.3V Power Supply for Outputs
Ground for Outputs
Ground for Outputs
Ground for Outputs
Ground for Outputs
Ground for Outputs
3.3V Power Supply for PLL
Ground for PLL
PCI-Express Desktop Chipset
Clock Generator for Intel
PS8734B
PI6C410
01/11/07