ics9248-101 ETC-unknow, ics9248-101 Datasheet

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ics9248-101

Manufacturer Part Number
ics9248-101
Description
Frequency Generator Integrated Buffers Pentium/protm
Manufacturer
ETC-unknow
Datasheet
Frequency Generator & Integrated Buffers for PENTIUM/Pro
General Description
Block Diagram
Power Groups
9248-101 Rev C 2/29/00
2
*CPU2.5_3.3#/PCICLK_F
Features
*SEL24_48#/PCICLK1
*FS3/PCICLK0
I C
2
PCI_STOP#
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.
BUFFER IN
VDDCOR
{
GNDREF
PCICLK2
PCICLK3
PCICLK4
PCICLK5
PCICLK6
VDDREF
GNDPCI
GNDPCI
VDDPCI
VDDPCI
GND48
2
SDATA
SCLK
REF0
*PD#
48-Pin SSOP and TSSOP
X1
X2
Pin Configuration
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1
2
3
4
5
6
7
8
9
Pentium is a trademark of Intel Corporation
I
2
C is a trademark of Philips Corporation
ICS9248-101
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
REF1/FS2*
VDDLCPU
CPUCLK_F
CPUCLK0
GNDLCPU
CPUCLK1
CPUCLK2
CLK_STOP#
GNDSDR
SDRAM_F
SDRAM0
SDRAM1
VDDSDR
SDRAM2
SDRAM3
GNDSDR
SDRAM4
SDRAM5
VDDSDR
SDRAM6
SDRAM7
VDD48
48MHz/FS0*
24_48MHz/FS1*
TM
& K6

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ics9248-101 Summary of contents

Page 1

... 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. ICS9248-101 TM & ...

Page 2

... ICS9248-101 Pin Descriptions ...

Page 3

... Stop Bit Notes serial interface information 2 How to Read: (H) Controller (Host) ACK ACK ACK ACK ACK ACK ACK ACK ACK 2 2 ICS9248-101 2 How to Read: ICS (Slave/Receiver) Start Bit Address D3 (H) ACK Byte Count ACK Byte 0 ACK Byte 1 ACK Byte 2 ACK Byte 3 ACK ...

Page 4

... ICS9248-101 Functionality DD DDL Serial Configuration Command Bitmap ...

Page 5

... ICS9248-101 ...

Page 6

... ICS9248-101 ...

Page 7

... CLK_STOP# Timing Diagram INTERNAL CPUCLK PCICLK [6:0] CLK_STOP# PCI_STOP# (High) SDRAM [7:0] CPUCLK [2:0] CPUCLK _F SDRAM_F ICS9248-101 ...

Page 8

... ICS9248-101 PD# Timing Diagram PD# CPUCLK PCICLK VCO Crystal ...

Page 9

... PCI_STOP# Timing Diagram CPUCLK (Internal) PCICLK_F (Internal) PCICLK_F (Free-running) CLK_STOP# PCI_STOP# PCICLK [6:0] ICS9248-101 ...

Page 10

... ICS9248-101 Shared Pin Operation - Input/Output Pins Fig. 1 ...

Page 11

... Fig. 2a Fig. 2b ICS9248-101 ...

Page 12

... ICS9248-101 Absolute Maximum Ratings Electrical Characte ristics - Input/Supply/Com m on Output Param ete 70C; Supply Voltage ETER SYM BOL Input High Voltage V IH Input Low Voltage V IL Operating Supply I DD3.3 OP Current I Powerdown Current Input Frequency ...

Page 13

... 1.25 V, < 133 MHz 1.25 V, >= 133 MHz 1. 1. ICS9248-101 MIN TYP MAX UNITS 2.4 2.85 V 0.31 0.4 V - 175 ps 200 250 ps MIN TYP MAX UNITS 2 2 ...

Page 14

... ICS9248-101 Electrical Characteristics - PCI 70C 3.3 V +/-5 DDL 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 Skew window t sk1 1 Jitter, One Sigma ...

Page 15

... Guaranteed by design, not 100% tested in production (unless otherwise stated) L CONDITIONS ICS9248-101 MIN TYP MAX UNITS 2.4 2.6 V 0.22 0.4 V -32 - 150 250 ps -600 600 ps ...

Page 16

... ICS9248-101 Ordering Information ICS9248yF-101-T ICS XXXX PPP - T 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. ...

Page 17

... Ordering Information ICS9248yG-101-T ICS XXXX PPP - T ICS9248-101 ...

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