ICS951413CGLF IDT, Integrated Device Technology Inc, ICS951413CGLF Datasheet

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ICS951413CGLF

Manufacturer Part Number
ICS951413CGLF
Description
IC SYSTEM CLOCK CHIP P4 56-TSSOP
Manufacturer
IDT, Integrated Device Technology Inc
Type
Clock/Frequency Synthesizerr
Datasheet

Specifications of ICS951413CGLF

Input
Crystal
Output
Clock
Frequency - Max
400MHz
Voltage - Supply
3.135 V ~ 3.465 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
56-TSSOP
Frequency-max
400MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
951413CGLF
Recommended Application:
ATI RS400 systems using Intel P4
Output Features:
Key Specifications:
0929D—10/30/06
Functionality - (CK410# = 0)
FS_C
Functionality - (CK410# = 1)
Byte6
1. FS_C, FS_B and FS_A are low-threshold inputs. Please see the V
specifications in the Input/Supply/Common Output Parameters Table for correct values.
FS_C
bit5
Programmable System Clock Chip for ATI RS400 P4
0
1
0
1
6 - Pairs of SRC/PCI Express* clocks
2 - Pairs of programmable SRC/PCI Express (ATIG)
clocks
3 - Pairs of Intel P4 clocks
3 - 14.318 MHz REF clocks
1 - 48MHz USB clock
1 - 33 MHz PCI clock seed
CPU outputs cycle-cycle jitter < 85ps
SRC output cycle-cycle jitter <125ps
PCI outputs cycle-cycle jitter < 250ps
+/- 300ppm frequency accuracy on CPU & SRC clocks
1
1
FS_B
FS_B
0
1
0
1
0
1
0
1
0
1
0
1
1
1
FS_A
FS_A
Integrated
Circuit
Systems, Inc.
0
1
0
1
0
1
0
1
0
0
1
1
0
0
1
1
1
1
266.66 100.00 33.33 14.318 48.000
133.33 100.00 33.33 14.318 48.000
200.00 100.00 33.33 14.318 48.000
166.66 100.00 33.33 14.318 48.000
333.33 100.00 33.33 14.318 48.000
100.00 100.00 33.33 14.318 48.000
400.00 100.00 33.33 14.318 48.000
100.00 100.00 33.33 14.318 48.000
200.00 100.00 33.33 14.318 48.000
133.33 100.00 33.33 14.318 48.000
166.67 100.00 33.33 14.318 48.000
200.00 100.00 33.33 14.318 48.000
400.00 100.00 33.33 14.318 48.000
266.67 100.00 33.33 14.318 48.000
333.33 100.00 33.33 14.318 48.000
CPU
MHz
CPU
MHz
RESERVED
SRC
MHz
SRC
MHz
MHz
MHz
PCI
PCI
14.318 48.000
TM
MHz
MHz
REF
REF
processors
U
MHz
U
MHz
SB
SB
IL_FS
and V
*Other names and brands may be claimed as the property of others.
IH_FS
Note: Pins preceeded by '**' have a 120 Kohm Internal Pull Down resistor
Features/Benefits:
2 - Programmable Clock Request pins for SRC clocks
Supports CK410 or CK409 frequency table mapping
Spread Spectrum for EMI reduction
Outputs may be disabled via SMBus
External crystal load capacitors for maximum
frequency accuracy
Pins preceeded by '*' have a 120 Kohm Internal Pull Up resistor
Pin Configuration
VTT_PWRGD#/PD 6
**CLKREQA# 10
**CLKREQB# 11
USB_48MHz 4
ATIGCLKC1 28
ATIGCLKT1 27
SRCCLKC7 13
SRCCLKC6 17
SRCCLKC5 19
SRCCLKC4 23
SRCCLKC3 25
SRCCLKT7 12
SRCCLKT6 16
SRCCLKT5 18
SRCCLKT4 22
SRCCLKT3 24
GNDSRC 15
GNDSRC 20
GNDSRC 26
VDDSRC 14
VDDSRC 21
**FS_C 9
SDATA 8
56-pin SSOP & TSSOP
VDD48 3
SCLK 7
GND 5
X1 1
X2 2
TM
-based Systems
56 VDDREF
55 GND
54 **FS_A/REF0
53 **FS_B/REF1
52 **TEST_SEL/REF2
51 VDDPCI
50 **CK410#/PCICLK0
49 GNDPCI
48 *CPU_STOP#
47 CPUCLKT0
46 CPUCLKC0
45 VDDCPU
44 GNDCPU
43 CPUCLKT1
42 CPUCLKC1
41 CPUCLKT2_ITP
40 CPUCLKC2_ITP
39 VDDA
38 GNDA
37 IREF
36 GNDSRC
35 VDDSRC
34 SRCCLKT0
33 SRCCLKC0
32 VDDATI
31 GNDATI
30 ATIGCLKT0
29 ATIGCLKC0
ICS951413

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ICS951413CGLF Summary of contents

Page 1

Integrated Circuit Systems, Inc. Programmable System Clock Chip for ATI RS400 P4 Recommended Application: TM ATI RS400 systems using Intel P4 Output Features: • Pairs of SRC/PCI Express* clocks • Pairs of programmable SRC/PCI Express (ATIG) ...

Page 2

Integrated Circuit Systems, Inc. Pin Description PIN # PIN NAME VDD48 4 USB_48MHz 5 GND 6 VTT_PWRGD#/PD 7 SCLK 8 SDATA 9 **FS_C 10 **CLKREQA# 11 **CLKREQB# 12 SRCCLKT7 13 SRCCLKC7 14 VDDSRC 15 GNDSRC ...

Page 3

Integrated Circuit Systems, Inc. Pin Description (Continued) PIN # PIN NAME 29 ATIGCLKC0 30 ATIGCLKT0 31 GNDATI 32 VDDATI 33 SRCCLKC0 34 SRCCLKT0 35 VDDSRC 36 GNDSRC 37 IREF 38 GNDA 39 VDDA 40 CPUCLKC2_ITP 41 CPUCLKT2_ITP 42 CPUCLKC1 43 ...

Page 4

Integrated Circuit Systems, Inc. General Description ICS951413 provides a single-chip clocking solution for the ATI RS400-based systems using the latest Intel P4 processors. ICS951413 is driven with a 14.318MHz crystal. It generates CPU outputs up to 400MHz and also provides ...

Page 5

Integrated Circuit Systems, Inc. General SMBus serial interface information for the ICS951413 How to Write: • Controller (host) sends a start bit. • Controller (host) sends the write address D2 • ICS clock will acknowledge • Controller (host) sends the ...

Page 6

Integrated Circuit Systems, Inc. Table1: CPU Frequency Selection Table Bit 4 Bit 3 Bit2 CPU FS4 Byte0,bit6 FSC (CK410#) (SS_EN ...

Page 7

Integrated Circuit Systems, Inc. Table2: SRC & ATIG Frequency Selection Table Bit4 SRC Bit3 Bit2 Bit1 Bit0 FS4 SRC FS3 FS2 FS1 FS0 (SS_EN ...

Page 8

Integrated Circuit Systems, Inc. Table 3: CPU Divider Ratios Bit 00 00 0000 0001 01 10 0010 0011 11 LSB Address Table 4: PCI Divider Ratios Bit 00 0000 00 01 0001 0010 10 11 0011 Address LSB Table 5: ...

Page 9

Integrated Circuit Systems, Inc. SMBus Table: Frequency Select Register Byte 0 Pin # Name - Bit 7 FS Source CPU FS3 - Bit 6 (SS_EN) Bit 5 - Reserved - CK410# Bit 4 - Reserved Bit 3 - CPU FS_C ...

Page 10

Integrated Circuit Systems, Inc. SMBus Table: SRCCLK(7:3,0), CLKREQA# Output Control Register Byte 3 Pin # Name 12,13 SRCCLK7 Bit 7 Bit 6 16,17 SRCCLK6 18,19 SRCCLK5 Bit 5 Bit 4 22,23 SRCCLK4 24,25 SRCCLK3 Bit 3 Bit 2 34,33 SRCCLK0 ...

Page 11

Integrated Circuit Systems, Inc. SMBus Table: Device ID Register Byte 6 Pin # Name - DevID 7 Bit 7 - DevID 6 Bit 6 Bit 5 - DevID 5 - DevID 4 Bit 4 - DevID 3 Bit 3 - ...

Page 12

Integrated Circuit Systems, Inc. SMBus Table: M/N Programming & WD Safe Frequency Control Register Byte 10 Pin # Name - Bit 7 M/N_EN Bit 6 - Reserved WD Safe Freq - Bit 5 Source Bit SF4 Bit ...

Page 13

Integrated Circuit Systems, Inc. SMBus Table: CPU Spread Spectrum Control Register Byte 14 Pin # Name - Reserved Bit 7 Bit 6 - SSP14 Bit 5 - SSP13 - SSP12 Bit 4 - SSP11 Bit 3 - SSP10 Bit 2 ...

Page 14

Integrated Circuit Systems, Inc. SMBus Table: SRC Spread Spectrum Control Register Byte 18 Pin # Name - Reserved Bit 7 - SSP14 Bit 6 Bit 5 - SSP13 - SSP12 Bit 4 - SSP11 Bit 3 - SSP10 Bit 2 ...

Page 15

Integrated Circuit Systems, Inc. Absolute Max Symbol Parameter VDD_A 3.3V Core Supply Voltage VDD_In 3.3V Logic Input Supply Voltage Ts Storage Temperature Tambient Ambient Operating Temp Tcase Case Temperature Input ESD protection human body model ESD prot Electrical Characteristics - ...

Page 16

Integrated Circuit Systems, Inc. Electrical Characteristics - CPU 0.7V Current Mode Differential Pair 70° 3.3 V +/-5%; C =2pF PARAMETER SYMBOL Current Source Output Zo Impedance Voltage High VHigh Voltage ...

Page 17

Integrated Circuit Systems, Inc. Electrical Characteristics - SRC 0.7V Current Mode Differential Pair 70° 3.3 V +/-5 PARAMETER SYMBOL Current Source Output Impedance Voltage High VHigh Voltage Low VLow Max Voltage ...

Page 18

Integrated Circuit Systems, Inc. Electrical Characteristics - PCICLK/PCICLK_F 70° 3.3 V +/-5 PARAMETER SYMBOL Long Accuracy ppm T Clock period period V Output High Voltage V Output Low Voltage I Output ...

Page 19

Integrated Circuit Systems, Inc. Electrical Characteristics - REF-14.318MHz 70° 3.3 V +/-5 PARAMETER SYMBOL Long Accuracy ppm Clock period T period V Output High Voltage OH V Output Low Voltage OL ...

Page 20

Integrated Circuit Systems, Inc. Common Recommendations for Differential Routing L1 length, Route as non L2 length, Route as non L3 length, Route as non Rs Rt Down Device Differential Routing L4 length, Route as coupled differential trace. L4 length, Route ...

Page 21

Integrated Circuit Systems, Inc. Shared Pin Operation - Input/Output Pins The I/O pins designated by (input/output) on the ICS951416 serve as dual signal functions to the device. During initial power-up, they act as input pins. The logic level (voltage) that ...

Page 22

Integrated Circuit Systems, Inc INDEX INDEX AREA AREA 45° 45° .10 (.004) C .10 (.004) C Ordering Information ICS951413yFLFT Example: ICS XXXX y F ...

Page 23

Integrated Circuit Systems, Inc INDEX INDEX AREA AREA Ordering Information ICS951413yGLFT Example: ICS XXXX 0929D—10/30/06 c 56-Lead 6.10 mm. Body, 0.50 mm. ...

Page 24

Integrated Circuit Systems, Inc. Revision History Rev. Issue Date Description D 10/30/2006 Fixed Comments on Bytes 11-12, 15-16 Text Cutoff. 0929D—10/30/06 24 ICS951413 Page # 12-13 ...

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