PI6C410MAE Pericom Semiconductor, PI6C410MAE Datasheet
PI6C410MAE
Specifications of PI6C410MAE
Related parts for PI6C410MAE
PI6C410MAE Summary of contents
Page 1
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): — ...
Page 2
Pin Description Pin Name Type REF Output XTAL_IN Input XTAL_OUT Output CPU[0:1] & CPU[0:1]# Output SRC[0:6] & SRC[0:6]# Output CPU2_ITP / SRC_7 & Output CPU2_ITP# / SRC_7# Input / PCIF_0 / ITP_EN Output PCIF_1 Output PCI[2:5] Output Input / USB_48 ...
Page 3
Functionality (1) Frequency Selection FS_C FS_B FS_A 100 MHz 133 MHz 166 MHz 200 MHz 266 MHz 333 MHz ...
Page 4
Serial Data Interface (SMBus) PI6C410M is a slave only SMBus device that supports indexed block read and indexed block write protocol using a single 7-bit ad- dress and read/write bit as shown below. Address Assignment (1) ...
Page 5
Data Byte 1: Control Register Bit Descriptions Spread Spectrum Enable Disable CPU_0 output enable Enabled Disabled (Hi-Z) CPU_1 output enable Enabled Disabled (Hi-Z) 3 Reserved ...
Page 6
Data Byte 3: Control Register Bit Descriptions SRC_0 Output Control Free Running Stopped with PCI_STOP# SRC_1 Output Control Free Running Stopped with PCI_STOP# SRC_2 Output Control Free ...
Page 7
Data Byte 4: Control Register Bit Descriptions CPU_0 Output Control Free Running Stopped with CPU_STOP# CPU_1 Output Control Free Running Stopped with CPU_STOP# CPU_2 Output Control Free ...
Page 8
Data Byte 6: Control Register Bit Descriptions FS_A Refl ects the value of the FS_A pin sampled on power FS_A was low during Vtt_Pwrgd# assertion FS_B Refl ects the value of the FS_B pin sampled on ...
Page 9
Vtt_Pwrgd# Timing Diagram Vcc to VRM 5/12V Vtt FS_A, FS_B, FS_C Vtt_Pwrgd from VRM Vtt_Pwrgd# Vcc Core PwrGood Vcc Clock Gen Clock State Clock Outputs Clock VCO Vcc to VRM 5/12V Vtt FS_A, FS_B, FS_C Vtt_Pwrgd from VRM Vtt_Pwrgd# Vcc ...
Page 10
Clock Power-Up State Machine Vdda = 2.0V Power Off Power Down (PWRDWN assertion) PWRDWN CPU, 133MHz CPU#, 133MHz SRC, 100MHz SRC#, 100MHz USB, 48MHz DOT, 96MHz DOT#, 96MHz PCI, 33MHz REF 08-0298 S1 Vtt_Pwrgd# = Low Delay >0.25ms S0 Vdda ...
Page 11
Power Down (PWRDWN De-assertion) PWRDWN CPU, 133MHz CPU#, 133MHz SRC, 100MHz SRC#, 100MHz USB, 48MHz DOT, 96MHz DOT#, 96MHz PCI, 33MHz REF CPU STOP (CPU_STOP# assertation) CPU_Stop# CPU CPU# 08-0298 Tstable <1.8ms Tdrive_PwrDwn <300us, >200mV Figure 5. Power down de-assetion ...
Page 12
CPU STOP (CPU_STOP# De-assertion) CPU_Stop# CPU CPU# CPU Internal CPU# Internal PCI STOP (PCI_STOP# assertion) PCI_Stop# PCIF[0:1], 33MHz PCI[2:5], 33MHz SRC, 100MHz SRC#, 100MHz PCI STOP (PCI_STOP# De-assertion) PCI_Stop# PCIF[0:1], 33MHz PCI[2:5], 33MHz SRC#, 100MHz SRC, 100MHz 08-0298 Tdrive_CPU_Stop#, 10ns ...
Page 13
Tristate Specifi cations CPU Tristate clock truth table Pwrdwn CPU_STOP# Signal pin pin CPU[0: SRC Tristate clock truth table Pwrdwn PCI_STOP# Signal pin SRC[0: DOT Tristate clock truth ...
Page 14
CPU_Stop# PWRDWN CPU (Free Running) CPU# (Free Running) CPU (Stoppable) CPU# (Stoppable) Figure 11. CPU_Stop = Tristate, CPU_PWRDWN = Driven CPU_Stop# PWRDWN CPU (Free Running) CPU# (Free Running) CPU (Stoppable) PU# (Stoppable) Figure 12. CPU_Stop = Driven, CPU_PWRDWN = Tristate ...
Page 15
PCI_Stop# PCI (Free Running) PWRDWN CPU (Free Running) CPU# (Free Running) SRC (Stoppable) SRC# (Stoppable) Figure 14. SRC_Stop = Driven, SRC_PWRDWN = Driven PCI_Stop# PCI (Free Running) PWRDWN CPU (Free Running) CPU# (Free Running SRC (Stoppable) SRC# (Stoppable) Figure 15. ...
Page 16
Spread Spectrum Specifi cations PI6C410M supports Spread Spectrum clocking and can be enabled and disabled via SMBus control. The maximum Spread Spec- trum Modulation is –0.5% down spread with frequency from 30KHz to 33KHz. SSC ON CPU @ 399.000 MHz ...
Page 17
Cueernt Accuracy Conditions Rref = 475Ω 3.30 ±5% OUT DD Iref = 2.32mA Host Clock Output Current Board Target Trace/Term Z 100Ω (100Ω differential ≈ 8% coupling ratio) (1) Crystal Recommendations Frequency Cut Loading 14.31818 MHz AT ...
Page 18
DC Electrical Characteristics Symbol Parameters VDD_A 3.3V Core Supply Voltage VDD 3.3V I/O Supply Voltage V 3.3V Input High Voltage IH V 3.3V Input Low Voltage IL I Input Leakage Current IK V _FS 3.3V Input High Voltage IH V ...
Page 19
AC Electrical Characteristics (V Symbol Outputs CPU, SRC, DOT rise fall PCI/PCIF, REF rise fall USB rise fall ΔT / ΔT CPU, SRC, DOT rise fall T CPU0, CPU1 skew T ...
Page 20
Confi guration Test Load Board Termination PI6C410M 33Ω Note: 1. Maximum 10" trace length for CPU @ 200 MHz, 16" trace for SRC @ 100 MHz. 08-0298 Rs = 33Ω TLA Rs = 33Ω TLB Rp = 50Ω ...
Page 21
... Notes: 1. Thermal characteristics can be found on the company web site at www.pericom.com/packaging Pb-free and Green 3. X Suffi Tape/Reel Pericom Semiconductor Corporation • 1-800-435-2336 • www.pericom.com 08-0298 Package Description A Pb-free & Green 56-Pin, 240mil wide, 0.5mm pitch TSSOP , Tape and Reel 21 PI6C410M/410MA Clock Generator for Intel ...