ics932s421c Integrated Device Technology, ics932s421c Datasheet - Page 4

• Manufacturer Part Number: ics932s421c
• Description: Pcie Gen 2 And Qpi Clock For Intel-based Servers
• Manufacturer: Integrated Device Technology

The ICS932S421C is a main clock synthesizer for CK410B+ generation Intel server platforms. The ICS932S421C is driven
with a 14.318MHz crystal. It generates CPU outputs up to 400MHz and PCI-Express clocks at 100 or 200 MHz. The 48 MHz
USB clock is an exact 48.000 MHz clock.
General Description
Block Diagram
Power Groups
1460E—08/25/09
15,25,28
47,44,38
VDD
1,8
53
35
12
Pin Number
Integrated
Circuit
Systems, Inc.
VTT_PWRGD#/PD
GND
TEST_SEL
2,7
50
20
34
14
41
FS(C:A)
SDATA
SCLK
X2
X1
Master clock, CPU Analog
SRCCLK outputs
CPUCLK clocks
PCICLK outputs
48MHz, PLL_48
XTAL
OSC.
Description
CONTROL
Xtal, Ref
LOGIC
FIXED PLL
CPU PLL
SRC/PCI
PLL
4
DIVIDERS
DIVIDERS
DIVIDER
IREF
PCICLK(3:0), PCICLK_F(2:0)
CPUCLK(3:0)
SRCCLK(4:0)
ICS932S421C
REF(1:0)
48MHz