ICS932S203AGLFT IDT, Integrated Device Technology Inc, ICS932S203AGLFT Datasheet

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ICS932S203AGLFT

Manufacturer Part Number
ICS932S203AGLFT
Description
IC FREQ GEN W/CPU CLOCK 56-TSSOP
Manufacturer
IDT, Integrated Device Technology Inc
Type
Frequency Generatorr
Datasheet

Specifications of ICS932S203AGLFT

Input
Crystal
Output
Clock
Frequency - Max
133.3MHz
Voltage - Supply
3.135 V ~ 3.465 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
56-TSSOP
Frequency-max
133.3MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
932S203AGLFT
Frequency Generator with 133MHz Differential
CPU Clocks
Recommended Application:
Servers based on Intel CK408 processors
Output Features:
Features:
Key Specifications:
Block Diagram
IDT
TM
4 Differential CPU Clock Pairs @ 3.3V
7 PCI (3.3V) @ 33.3MHz
3 PCI_F (3.3V) @ 33.3MHz
1 USB (3.3V) @ 48MHz
1 DOT (3.3V) @ 48MHz
1 REF (3.3V) @ 14.318MHz
1 3V66 (3.3V) @ 66.6MHz
1 VCH/3V66 (3.3V) @ 48MHz or 66.6MHz
3 66MHz_OUT/3V66 (3.3V) @ 66.6MHz_IN
or 66.6MHz
1 66MHz_IN/3V66 (3.3V) @ Input/66MHz
Supports spread spectrum modulation,
down spread 0 to -0.5%.
Efficient power management scheme through PD#
and PCI_STOP#.
Uses external 14.318MHz crystal
Stop clocks and functional control available through
SMBus interface.
CPU Output Jitter <150ps
3V66 Output Jitter <250ps
CPU Output Skew <150ps
Frequency Generator with 133MHz Differential CPU Clocks
1
Pin Configuration
* These inputs have 150K internal pull-up resistor to VDD.
Functionality
F
m
m
0
0
S
1
1
d i
d i
1
F
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0
0
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1
1
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56-Pin 300mil SSOP/TSSOP
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DATASHEET
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0601G—01/26/10
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ICS932S203AGLFT Summary of contents

Page 1

Frequency Generator with 133MHz Differential CPU Clocks Recommended Application: Servers based on Intel CK408 processors Output Features: • 4 Differential CPU Clock Pairs @ 3.3V • 7 PCI (3.3V) @ 33.3MHz • 3 PCI_F (3.3V) @ 33.3MHz • 1 USB ...

Page 2

ICS932S203 Frequency Generator with 133MHz Differential CPU Clocks Pin Description ...

Page 3

ICS932S203 Frequency Generator with 133MHz Differential CPU Clocks Frequency Select Table FS1 FS0 CPU 3V66 (1: 100 66 133.3 66 100 66 133.3 66 Hi-Z Hi-Z mid 1 1 Tclk/2 ...

Page 4

ICS932S203 Frequency Generator with 133MHz Differential CPU Clocks Byte 0: Control Register ...

Page 5

ICS932S203 Frequency Generator with 133MHz Differential CPU Clocks Byte 2: Control Register ...

Page 6

ICS932S203 Frequency Generator with 133MHz Differential CPU Clocks Byte 5: Programming Edge Rate (1 = enable disable ...

Page 7

ICS932S203 Frequency Generator with 133MHz Differential CPU Clocks Absolute Maximum Ratings Supply Voltage Logic Inputs Ambient Operating Temperature Case Temperature Storage Temperature Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. These ratings are ...

Page 8

ICS932S203 Frequency Generator with 133MHz Differential CPU Clocks Electrical Characteristics - CPU 0.7V Current Mode Differential Pair 70° 3.3 V +/-5 PARAMETER SYMBOL Current Source Output Zo Impedance Voltage High ...

Page 9

ICS932S203 Frequency Generator with 133MHz Differential CPU Clocks Electrical Characteristics - PCICLK Un-Buffered Mode 70°C; VDD=3.3V +/-5 PARAMETER SYMBOL Output Frequency F O1 Output Impedance R DSP1 Output High Voltage V OH Output Low ...

Page 10

ICS932S203 Frequency Generator with 133MHz Differential CPU Clocks Electrical Characteristics - 3V66 -Un-Buffered Mode: 3V66 [5: 70°C; VDD=3.3V +/-5 PARAMETER SYMBOL Output Frequency F O1 Output Impedance R DSP1 Output High Voltage V OH ...

Page 11

ICS932S203 Frequency Generator with 133MHz Differential CPU Clocks Electrical Characteristics - VCH, 48MHz DOT, 48MHz, USB 70°C; VDD=3.3V +/-5 PARAMETER SYMBOL Output Frequency F Output Impedance R DSP1 Output High Voltage V Output Low ...

Page 12

ICS932S203 Frequency Generator with 133MHz Differential CPU Clocks General SMBus serial interface information The information in this section assumes familiarity with SMBus programming. For more information, contact ICS for an SMBus software program. How to Write: • Controller (host) sends ...

Page 13

ICS932S203 Frequency Generator with 133MHz Differential CPU Clocks Buffered Mode - 3V66[0:1], 66MHz_IN, 66MHz_OUT[0:2] and PCI Phase Relationship All 3V66 clocks are phase with each other. All 66MHz_OUT clocks are phase with each other. ...

Page 14

ICS932S203 Frequency Generator with 133MHz Differential CPU Clocks All 3V66 clocks are pphase with each other. In the case where 3V66_1 is configured as 48MHz VCH clock, there is no defined phase relationship between 3V66_1/VCH and other ...

Page 15

ICS932S203 Frequency Generator with 133MHz Differential CPU Clocks PD# - Assertion (transition from logic "1" to logic "0") When PD# is sampled low by two consecutive rising edges of CPU clock then all clock outputs except CPU clocks must be ...

Page 16

ICS932S203 Frequency Generator with 133MHz Differential CPU Clocks 300 mil SSOP Ordering Information 932S203yFLxT Example: XXXX IDT Frequency Generator with 133MHz Differential CPU Clocks SYMBOL ...

Page 17

ICS932S203 Frequency Generator with 133MHz Differential CPU Clocks INDEX INDEX AREA AREA 6.10 mm. Body, 0.50 mm. pitch TSSOP (0.020 mil) (240 mil) Ordering Information 932S203yGLxT Example: ...

Page 18

ICS932S203 Frequency Generator with 133MHz Differential CPU Clocks Revision History Rev. Issue Date Description 1. Corrected Frequency Select Table Typo. i. Added Foot Note. F 9/30/2005 2. Updated LF Ordering Information. G 1/26/2010 Update document template TM Innovate with IDT ...

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