CY28301PVC Cypress Semiconductor Corp, CY28301PVC Datasheet

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CY28301PVC

Manufacturer Part Number
CY28301PVC
Description
PLL Clock Generator Dual 56-Pin SSOP
Manufacturer
Cypress Semiconductor Corp
Type
PLL Clock Generatorr
Datasheet

Specifications of CY28301PVC

Package
56SSOP
Number Of Elements Per Chip
2
Output Frequency Range
24 to 48 MHz
Operating Temperature
0 to 70 °C
Operating Supply Voltage
3.3 V

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
CY28301PVC
Manufacturer:
XILINX
Quantity:
18
Cypress Semiconductor Corporation
Document #: 38-07011 Rev. *C
Features
• Single chip FTG solution for Intel
• Support SMBus byte Read/Write and block Read/Write
• Vendor ID and revision ID support
• Maximized EMI suppression using Cypress’s Spread
• Low jitter and tightly controlled clock skew
• Two copies of CPU clock
• Thirteen copies of SDRAM clock
• Eight copies of PCI clock
• One copy of synchronous APIC clock
• Three copies of 66-MHz outputs
• Two copies of 48-MHz outputs
• One copy of 14.31818-MHz reference clock
Block Diagram
operations to simplify system BIOS development
Spectrum technology
SDATA
(FS0:4)
SCLK
PD#
X1
X2
PLL 1
SMBus
PLL2
Logic
XTAL
OSC
Frequency Generator for Intel
Delay, and
PLL REF FREQ
/2
Divider,
Control
Phase
Logic
®
Solano/810E/810
5
2
13
3
VDD_3V66
3901 North First Street
CPU0:1
VDD_48MHz
VDD_SDRAM
VDD_CPU
VDD_APIC
REF/FS1
APIC
VDD_PCI
PCI1
PCI3:7
SDRAM0:11,
SDRAM_F
48MHz/FS0
3V66_0:2
PCI2/SEL24_48MHz#*
PCI0
24_48MHz
VDD_REF
PCI2/SEL24_48MHz#*
Key Specifications
CPU, SDRAM Outputs Cycle-to-Cycle Jitter: .............250 ps
APIC, 48-MHz, 3V66, PCI Outputs
Cycle-to-Cycle Jitter: ................................................... 500 ps
CPU, 3V66 Output Skew:............................................ 175 ps
SDRAM, APIC, 48-MHz Output Skew: ........................250 ps
PCI Output Skew:........................................................ 500 ps
CPU to SDRAM Skew (@ 133 MHz) ......................... ±0.5 ns
CPU to SDRAM Skew (@ 100 MHz)..................4.5 to 5.5 ns
CPU to 3V66 Skew (@ 66 MHz) ........................7.0 to 8.0 ns
3V66 to PCI Skew (3V66 lead)...........................1.5 to 3.5 ns
PCI to APIC Skew ...................................................... ±0.5 ns
Pin Configuration
Note:
1.
GND_SDRAM
Internal 100K pull-up resistors present on inputs marked with *. Design
should not rely solely on internal pull-up resistor to set I/O pins HIGH.
VDD_SDRAM
GND_3V66
VDD_3V66
GND_REF
SDRAM11
SDRAM10
VDD_REF
GND_PCI
GND_PCI
VDD_PCI
VDD_PCI
San Jose
3V66_0
3V66_1
3V66_2
SDATA
SCLK
PD#*
PCI0
PCI1
PCI3
PCI4
PCI5
PCI6
PCI7
X1
X2
®
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Integrated Chipset
[1]
CA 95134
Revised September 24, 2002
32
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
31
30
29
REF/FS1*
VDD_APIC
APIC
VDD_CPU
CPU0
CPU1
GND_CPU
GND_SDRAM
SDRAM0
SDRAM1
SDRAM2
VDD_SDRAM
SDRAM3
SDRAM4
SDRAM5
GND_SDRAM
SDRAM6
SDRAM7
SDRAM_F
VDD_SDRAM
GND_48MHz
24_48MHz
48MHz/FS0*
VDD_48MHz
VDD_SDRAM
SDRAM8
SDRAM9
GND_SDRAM
CY28301
408-943-2600

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CY28301PVC Summary of contents

Page 1

... SCLK Logic Control Logic (FS0:4) PLL 1 PD# PLL2 /2 Cypress Semiconductor Corporation Document #: 38-07011 Rev. *C Key Specifications ® Solano/810E/810 CPU, SDRAM Outputs Cycle-to-Cycle Jitter: .............250 ps APIC, 48-MHz, 3V66, PCI Outputs Cycle-to-Cycle Jitter: ................................................... 500 ps CPU, 3V66 Output Skew:............................................ 175 ps SDRAM, APIC, 48-MHz Output Skew: ........................250 ps PCI Output Skew:........................................................ 500 ps CPU to SDRAM Skew (@ 133 MHz) ......................... ± ...

Page 2

Pin Definitions Pin Name Pin No. REF/FS1 PCI0 11 PCI1 12 PCI2/SEL24_48MHz# 13 PCI3:7 15, 16, 17, 19, 20 3V66_0 48MHz/FS0 34 24_48MHz 35 PD# 22 CPU0:1 52, 51 SDRAM0:11, 48, 47, ...

Page 3

Serial Data Interface The CY28301 features a two-pin, serial data interface that can be used to configure internal register settings that control particular device functions. Data Protocol The clock driver serial protocol supports byte/word Write, byte/word Read, block Write, and ...

Page 4

Table 3. Word Read and Word Write Protocol Word Write Protocol Bit Description 1 Start 2:8 Slave address – 7 bits 9 Write 10 Acknowledge from slave 11:18 Command Code – 8-bits ‘1xxxxxxx’ stands for byte or word operation bit[6:0] ...

Page 5

CY28301 Serial Configuration Map 1. The serial bits will be read by the clock driver in the following order: Byte 0 – Bits Byte 0: Control Register 0 Bit Pin# Bit 7 ...

Page 6

Byte 2: Control Register 2 Bit Pin# Bit 7 20 Bit 6 19 Bit 5 17 Bit 4 16 Bit 3 15 Bit 2 13 Bit 1 12 Bit 0 11 Byte 3: Control Register 3 Bit Pin# Bit 7 ...

Page 7

Byte 6: Vendor ID and Revision ID Register (Read-only) Bit Name Bit 7 Revision_ID3 Bit 6 Revision_ID2 Bit 5 Revision_ID1 Bit 4 Revision_ID0 Bit 3 Vendor_ID3 Bit 2 Vendor_ID2 Bit 1 Vendor _ID1 Bit 0 Vendor _ID0 Byte 7: Control ...

Page 8

Byte 9: Reserved Register (continued) Bit Name Bit 1 Reserved Bit 0 Reserved Byte 10: Reserved Register Bit Name Bit 7 CPU_Skew2 Bit 6 CPU_Skew1 Bit 5 CPU_Skew0 Bit 4 SDRAM_Skew2 Bit 3 SDRAM_Skew1 Bit 2 SDRAM_Skew0 Bit 1 AGP_Skew1 ...

Page 9

Byte 13: Reserved Register Bit Name Bit 7 Reserved Bit 6 Reserved Bit 5 Reserved Bit 4 Reserved Bit 3 Reserved Bit 2 Reserved Bit 1 Reserved Bit 0 Reserved Byte 14: Reserved Register Bit Name Bit 7 Reserved Bit ...

Page 10

Byte 17: Reserved Register (continued) Bit Pin# Bit 5 – Bit 4 – Bit 3 – Bit 2 – Bit 1 – Table 5. Frequency Selections through HW Strap Option and Serial Data Interface Data Bytes Input Conditions FS1 FS0 ...

Page 11

DC Operating Requirements (continued) Parameter Description V = 3.3V ±5% DDQ3 V 3.3V Output High Voltage oh3 V 3.3V Output Low Voltage ol3 V = 3.3V ±5% DDQ3 V PCI Bus Output High Voltage poh3 V PCI Bus Output Low ...

Page 12

AC Electrical Characteristics Parameter Description CPUCLK T Host/CPUCLK Period Period T Host/CPUCLK High Time HIGH T Host/CPUCLK Low Time LOW T Host/CPUCLK Rise Time RISE T Host/CPUCLK Fall Time FALL SDRAM T SDRAM CLK Period Period T SDRAM CLK High ...

Page 13

Group Skew and Jitter Limits Output Group Pin-Pin Skew Max. CPU 175 ps SDRAM 250 ps APIC 250 ps 48MHz 250 ps 3V66 175 ps PCI 500 ps REF N/A Clock Output Wave 2.0 1.25 2.5V Clocking 0.4 Interface 3.3V ...

Page 14

... Ordering Information Ordering Code CY28301PVC 56-pin SSOP (300 mils) CY28301PVCT 56-pin SSOP (300 mils) - Tape and Reel Package Drawing and Dimension Intel is a registered trademark of Intel Corporation. All product or company names mentioned in this document are the trademarks of their respective holders. Document #: 38-07011 Rev. *C © ...

Page 15

Document History Page Document Title: CY28301 Frequency Generator for Intel Document Number: 38-07011 ECN Issue REV. NO. Date ** 106533 06/27/01 *A 109365 11/06/01 *B 118785 09/25/02 *C 122717 12/21/02 Document #: 38-07011 Rev. *C ® Integrated Chipset Orig. of ...

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