ICS950908BGLF IDT, Integrated Device Technology Inc, ICS950908BGLF Datasheet

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ICS950908BGLF

Manufacturer Part Number
ICS950908BGLF
Description
IC TIMING CTRL HUB P4 56-TSSOP
Manufacturer
IDT, Integrated Device Technology Inc
Type
Timing Control Hubr
Datasheet

Specifications of ICS950908BGLF

Input
Crystal
Output
Clock
Frequency - Max
200MHz
Voltage - Supply
3.135 V ~ 3.465 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
56-TSSOP
Frequency-max
200MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
950908BGLF

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ICS950908BGLF
Manufacturer:
VISHAY
Quantity:
13 377
Recommended Application:
VIA Pro266/PN266/CLE266/CM400 chipset for PIII/Tualatin/C3
Processor
Output Features:
Key Specifications:
Frequency Table
0653A—07/26/04
PRODUCT PREVIEW documents contain information on new products in the sampling or preproduction phase of development. Characteristic data and other specifications are subject to
change without notice.
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1 - Pair of differential CPU clocks @ 3.3V (CK408)/
1 - Pair of differential open drain CPU clocks (K7)
2 - Push pull CPUT_CS clocks @ 2.5V
3 - AGP @ 3.3V
7 - PCI @ 3.3V
1 - 48MHz @ 3.3V fixed
1 - 24_48MHz @ 3.3V
2 - REF @ 3.3V, 14.318MHz
CPU_CS - CPUT/C: <±250ps
CPU_CS - AGP: <±250ps
CPU - DDR/SD: <±250ps
PCI - PCI: <500ps
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Integrated
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Programmable Timing Control Hub™ for P4™
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Features/Benefits:
**SEL_SDR/DDR#/PCICLK1 11
*(CLK_STOP#)/PCICLK6 18
Programmable output frequency.
Programmable output divider ratios.
Programmable output rise/fall time.
Programmable output skew.
Programmable spread percentage for EMI control.
Watchdog timer technology to reset system
if system malfunctions.
Programmable watch dog safe frequency.
Support I
operations.
Uses external 14.318MHz crystal.
*SEL_408/K7/AGPCLK1 7
*(PCI_STOP#)AGPCLK2 8
** Internal 120K pull-down resistor to GND.
* Internal 120K pull-up resistor to VDD.
*MULTSEL/PCICLK2 12
*MODE/AGPCLK0 6
*FS2/24_48MHz 21
**FS1/PCICLK_F 10
*(PD#)RESET# 26
Preliminary Product Preview
*FS3/48MHz 20
2
*FS0/REF0 1
C Index read/write and block read/write
VDDAGP 5
PCICLK5 17
GNDAGP 9
AVDD48 22
PCICLK3 14
PCICLK4 15
VDDPCI 16
GNDPCI 13
GND48 19
SDATA 28
SCLK 27
GND 2
GND 24
IREF 25
VDD 23
56-Pin 300-mil SSOP
Pin Configuration
X1 3
X2 4
56 Vtt_PWRGD#**/REF1
55 VDDREF
54 GND
53 CPUCLKT/CPUCLKODT
52 CPUCLKC/CPUCLKODC
51 VDDCPU3.3
50 VDDCPU2.5
49 CPUT0_CS
48 CPUT1_CS
47 GND
46 FBOUT
45 BUF_IN
44 DDRT0/SDRAM0
43 DDRC0/SDRAM1
42 DDRT1/SDRAM2
41 DDRC1/SDRAM3
40 VDD3.3_2.5
39 GND
38 DDRT2/SDRAM4
37 DDRC2/SDRAM5
36 DDRT3/SDRAM6
35 DDRC3/SDRAM7
34 VDD3.3_2.5
33 GND
32 DDRT4/SDRAM8
31 DDRC4/SDRAM9
30 DDRT5/SDRAM10
29 DDRC5/SDRAM11
ICS950908

Related parts for ICS950908BGLF

ICS950908BGLF Summary of contents

Page 1

Integrated Circuit Systems, Inc. Programmable Timing Control Hub™ for P4™ Recommended Application: VIA Pro266/PN266/CLE266/CM400 chipset for PIII/Tualatin/C3 Processor Output Features: • Pair of differential CPU clocks @ 3.3V (CK408)/ • Pair of differential open drain CPU ...

Page 2

Integrated Circuit Systems, Inc. General Description The ICS950908 is a single chip clock solution for desktop designs using the VIA Pro266/PN266/CLE266/CM400 chipset with PC133 or DDR memory. The ICS950908 is part of a whole new line of ICS clock generators ...

Page 3

Integrated Circuit Systems, Inc. Pin Description PIN PIN # NAME TYPE 1 *FS0/REF0 2 GND VDDAGP 6 *MODE/AGPCLK0 7 *SEL_408/K7/AGPCLK1 8 *(PCI_STOP#)AGPCLK2 9 GNDAGP 10 **FS1/PCICLK_F 11 **SEL_SDR/DDR#/PCICLK1 12 *MULTSEL/PCICLK2 13 GNDPCI 14 PCICLK3 15 ...

Page 4

Integrated Circuit Systems, Inc. Pin Description Continued PIN PIN # NAME 29 DDRC5/SDRAM11 30 DDRT5/SDRAM10 31 DDRC4/SDRAM9 32 DDRT4/SDRAM8 33 GND 34 VDD3.3_2.5 35 DDRC3/SDRAM7 36 DDRT3/SDRAM6 37 DDRC2/SDRAM5 38 DDRT2/SDRAM4 39 GND 40 VDD3.3_2.5 41 DDRC1/SDRAM3 42 DDRT1/SDRAM2 43 ...

Page 5

Integrated Circuit Systems, Inc. General I How to Write: • Controller (host) sends a start bit. • Controller (host) sends the write address D2 • ICS clock will acknowledge • Controller (host) sends the begining byte location = N • ...

Page 6

Integrated Circuit Systems, Inc. Byte 0: Functionality and frequency select register (Default= ...

Page 7

Integrated Circuit Systems, Inc. Byte 1: CPU Active/Inactive Register (1 = enable disable ...

Page 8

Integrated Circuit Systems, Inc. Byte 5: Peripheral Active/Inactive Register (1 = enable disable ...

Page 9

Integrated Circuit Systems, Inc. Byte 9: Watchdog Timer Count Register ...

Page 10

Integrated Circuit Systems, Inc. Byte 13: Spread Spectrum Control Register ...

Page 11

Integrated Circuit Systems, Inc. Byte 17: Output Divider Control Register ...

Page 12

Integrated Circuit Systems, Inc. Byte 20: Group Skew Control Register ...

Page 13

Integrated Circuit Systems, Inc. Absolute Maximum Ratings Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 14

Integrated Circuit Systems, Inc. Electrical Characteristics - CPUCLKC 70º 3.3 V +/-5%; (unless otherwise stated PARAMETER SYMBOL Current Source Z O Output Impedance Output High Voltage V OH Output High Current ...

Page 15

Integrated Circuit Systems, Inc. Electrical Characteristics - SDRAM 70° 3.3V +/-5 PARAMETER SYMBOL Output High Voltage V OH3 Output Low Voltage V OL3 Output High Current I OH3 Output Low Current ...

Page 16

Integrated Circuit Systems, Inc. Electrical Characteristics - PCICLK 70° 3.3 V +/-5 PARAMETER SYMBOL 1 Output Frequency F0 1 Output Impedance R DSN1 Output High Voltage V OH1 Output Low ...

Page 17

Integrated Circuit Systems, Inc. Electrical Characteristics - 48MHz 70° 3.3 V +/-5 PARAMETER SYMBOL 1 Output Frequency Output Impedance R DSN1 Output High Voltage V OH1 Output Low ...

Page 18

Integrated Circuit Systems, Inc. Shared Pin Operation - Input/Output Pins The I/O pins designated by (input/output) serve as dual signal functions to the device. During initial power-up, they act as input pins. The logic level (voltage) that is present on ...

Page 19

Integrated Circuit Systems, Inc. Power Down Waveform 0ns VCO Internal CPU 100MHz 3.3V 66MHz PCI 33MHz APIC 16.7MHz PD# SDRAM 100MHz REF 14.318MHZ 48MHZ Note 1. After PD# is sampled active (Low) for 2 consective rising edges of CPUCLKs, all ...

Page 20

Integrated Circuit Systems, Inc. 0ns CPU 66MHz CPU 100MHz CPU 133MHz SDRAM 100MHz SDRAM 133MHz 3.5V 66MHz PCI 33MHz APIC 16.7MHz REF 14.318MHz USB 48MHz 0653A—07/26/04 10ns 20ns Cycle Repeats Group Offset Waveforms 20 ICS950908 Preliminary Product Preview 30ns 40ns ...

Page 21

Integrated Circuit Systems, Inc INDEX INDEX AREA AREA 45° 45° SEATING SEATING b PLANE PLANE .10 (.004) C .10 (.004) C Ordering Information ICS950908yFLF-T Example: ...

Page 22

Integrated Circuit Systems, Inc INDEX INDEX AREA AREA Ordering Information ICS950908yGLF-T Example: ICS XXXX y G LF- T 0653A—07/26/ SYMBOL ...

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