ics9148-111 ETC-unknow, ics9148-111 Datasheet

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ics9148-111

Manufacturer Part Number
ics9148-111
Description
Frequency Generator Integrated Buffers Pentium/protm
Manufacturer
ETC-unknow
Datasheet
Frequency Generator & Integrated Buffers for PENTIUM/Pro
Third party brands and names are the property of their respective owners.
Recommended Application:
Output Features:
Features:
Key Specifications:
Block Diagram
9148-111 Rev A 10/19/99
3 - CPUs @ 2.5V/3.3V, up to 100MHz.
3 - AGPCLK @ 3.3V
13 - SDRAM @ 3.3V, up to 100MHz.
6 - PCI @ 3.3V, including one free running.
1 - 48MHz, @ 3.3V fixed.
1 - REF @ 3.3V, 14.318MHz.
Up to 100MHz frequency support
Support power management: CPU, PCI, AGP stop and,
Power down Mode from I
Spread spectrum for EMI control (0 to -0.6%, ± 0.25%).
Uses external 14.318MHz crystal
FS pins for frequency select
CPU – CPU: <250ps
SDRAM - SDRAM: <250ps
AGP-AGP: <250ps
PCI – PCI: <500ps
CPU-SDRAM <500ps
CPU(early)-PCI: 1-4ns, Center 2-6ns
CPU-AGP <500ps
Integrated
Circuit
Systems, Inc.
2
C programming.
Functionality
FS2 FS1 FS0
1
1
1
1
0
0
0
0
ICS reserves the right to make changes in the device data identified in
this publication without further notice. ICS advises its customers to
obtain the latest version of all device data to verify that any
information being relied upon by the customer is current and accurate.
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
SDRAM
(MHz)
95.25
96.22
CPU,
83.3
91.5
66.8
100
75
60
48-Pin 300mil SSOP
Pin Configuration
(MHz)
33.33
31.75
33.30
30.00
30.50
32.07
33.40
30.00
PCI
ICS9148-111
(MHz)
66.67
63.50
66.60
60.00
61.00
64.15
66.80
60.00
AGP
IOAPIC
(MHz)
14.318
14.318
14.318
14.318
14.318
14.318
14.318
14.318
REF,
TM

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ics9148-111 Summary of contents

Page 1

... CPU-SDRAM <500ps • CPU(early)-PCI: 1-4ns, Center 2-6ns CPU-AGP <500ps • Block Diagram 9148-111 Rev A 10/19/99 Third party brands and names are the property of their respective owners. ICS9148-111 Pin Configuration 48-Pin 300mil SSOP Functionality CPU, PCI AGP FS2 FS1 FS0 SDRAM ...

Page 2

... ICS9148-111 Pin Configuration ...

Page 3

... ICS9148-111 Power Groups ...

Page 4

... ICS9148-111 General I How to Write: How to Write: Controller (Host) ICS (Slave/Receiver) Start Bit Address D2 (H) Dummy Command Code Dummy Byte Count Byte 0 Byte 1 Byte 2 Byte 3 Byte 4 Byte 5 Stop Bit Notes: Third party brands and names are the property of their respective owners serial interface information ...

Page 5

... ICS9148-111 PWD 0 AGP 66.67 63.50 66.60 60.00 Note 1 61.00 64.15 66.80 60. ...

Page 6

... ICS9148-111 ...

Page 7

... Shared Pin Operation - Input/Output Pins Third party brands and names are the property of their respective owners. Fig. 1 ICS9148-111 ...

Page 8

... ICS9148-111 Third party brands and names are the property of their respective owners. Fig. 2a Fig. 2b ...

Page 9

... AGP_STOP# Timing Diagram Third party brands and names are the property of their respective owners. ICS9148-111 ...

Page 10

... ICS9148-111 CPU_STOP# Timing Diagram Third party brands and names are the property of their respective owners. ...

Page 11

... PCI_STOP# Timing Diagram Third party brands and names are the property of their respective owners. ICS9148-111 ...

Page 12

... ICS9148-111 PD# Timing Diagram Third party brands and names are the property of their respective owners. ...

Page 13

... V; f=66/100 MHz DDL =1.5 V; f=83/75 MHz DDL = 1.5 V; AGP leads T = 3.3 V +/-5 2.5 V +/-5% (unless otherwise stated) DDL CONDITIONS Select @ 66.8M Hz; C =0; all outputs running L Select @ 100M Hz; C =0; all outputs running L ICS9148-111 MIN TYP MAX UNITS V +0 -0 2.0 A -200 ...

Page 14

... ICS9148-111 Electrical Characteristics - CPU3 70º 3.3 V +/-5 DDL PARAMETER SYMBOL V Output High Voltage OH2B Output Low Voltage V OL2B Output High Current I OH2B I Output Low Current OL2B 1 Rise Time t r2B 1 Fall Time t f2B 1 Duty Cycle d t2B 1 Skew t sk2B Jitter, Single Edge ...

Page 15

... 1.5 V, Sdram 0,8,9,12 Window 1.5 V, Sdram 2,4,5,6 Window 1.5 V, Sdram 1,3,7,10,11 Window 1 ICS9148-111 MIN TYP MAX UNITS 2 0.32 0.4 V - 100 250 ps 220 500 ps MIN ...

Page 16

... ICS9148-111 Electrical Characteristics - AGP 70º 3.3 V +/-5 PARAMETER SYMBOL Output High Voltage V OH1 Output Low Voltage V OL1 Output High Current I OH1 Output Low Current I OL1 1 Rise Time Fall Time Duty Cycle t1 1 Skew t sk1 Jitter, Single Edge ...

Page 17

... Routed Power = Ground Connection Key (component side copper) = Ground Plane Connection = Power Route Connection = Solder Pads = Clock Load ICS9148-111 48 47 Ferrite C2 46 Bead 22µF/20V Tantalum VDD 2.5V Power Route Ground 38 37 ...

Page 18

... ICS9148-111 µ 0 ° Ordering Information ICS9148yF-111 ICS XXXX PPP Third party brands and names are the property of their respective owners. ...

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