PERICOM PI6C102-16 Spread Spectrum Clock Synthesizer for Mobile Pentium II User Manual
Summary
This Spread Spectrum Clock Synthesizer is a high-speed, low-noise component designed specifically for Mobile Pentium II architectures. It generates essential clock supplies, including multiple CPU and PCI clocks at varying frequencies (e.g., 66 MHz or 100 MHz). The accompanying manual provides comprehensive documentation, detailing the pin configuration, power management control signals, operational modes (run/stop/power down), and suggested PCB layout guidelines for system integration. It is essential for electronics design engineers building embedded and mobile computing platforms requiring precise, stable clock signaling.
Page 1 Text Content
查询PI6C102-16BH供应商
PI6C102-16
Spread Spectrum Clock Synthesizer
for Mobile Pentium II
Features Description 100 MHz or 66.6 MHz operation Pericom Semiconductor’s PI6C clock series are produced using the
company’s advanced submicron CMOS technology, achieving
Two copies of CPU clock with VDD of 2.5V
industry leading speed.
High drive option to support modular mobile CPUs
PI6C102-16 is a high-speed, low-noise, clock generator that works
Six copies of PCI clock, (synchronous with CPU clock) 3.3V
with Pericom’s PI6C18x clock buffer to meet all clock needs for
One copy of Ref. Clock @ 14.31818 MHz (3.3VTTL)
Mobile Intel Architecture platforms. CPU and chipset clock fre-
One copy of 48 MHz Clock (3.3V) quencies of 66.6 MHz and 100 MHz are supported. Low cost 14.31818 MHz crystal oscillator input Split supplies of 3.3V and 2.5V are used. The 3.3V power supply
Power management control powers a portion of the I/O and the core. The 2.5V is used to power the remaining outputs. 2.5V signaling follows JEDEC standard
Isolated core VDD, VSS pins for noise reduction
8-X. Power sequencing of the 3.3V and 2.5V supplies is not
Down spread (–16) or center spread spectrum (–16B) options
required.
28-pin SSOP package (H)
An asynchronous PWRDWN# signal may be used to orderly power down (or up) the system. PI6C102-16 is –0.6% down spread, where as PI6C102-16B is ±0.75% center spread. PI6C102-16D is the high drive version of PI6C102-16
Pin Configuration Block Diagram
XTAL_IN VSS
XTAL_IN
REF XTAL_OUT VDD
XTAL_OUT OSC
VSS REF
PWRDWN#
PCICLK_F VDD2
CPUCLK[0:1]
PCICLK1 CPUCLK0
CPUSTOP#
VDD CPUCLK1
28-Pin
SEL PCICLK2
PCICLK[1:5]
PCICLK3 VDD
PCISTOP#
VDD VSS
PCICLK_F
PCICLK4 PCISTOP#
PCICLK5 CPUSTOP#
VSS PWRDWN#
48MHz
VDD 48MHz
VSS SEL100/66#
Page Summary Contents For PERICOM PI6C102-16 Spread Spectrum Clock Synthesizer for Mobile Pentium II User Manual
Manual Details
| Brand | Spectrum |
|---|---|
| Pages | 12 |
| File Size | 574.21 KB |
| Published | June 04, 2026 |
Enter the captcha to get the download link:
Frequently Asked Questions
What crystal input frequency is supported?
The device supports a 14.318 MHz crystal oscillator input and also features options for 100 MHz or 66.6 MHz operation.
How can I power down the system safely?
An asynchronous PWRDWN# signal can be used to orderly power down (or up) the system.
Are all clock outputs TTL compatible?
Yes, it notes that PCI clock outputs are TTL compatible.
What specific functions does SPI_SEL control?
The SPI_SEL pin is used for Clock Enable Configuration of CPUCLK, PCICLK, and other functions.