CY28329ZXC Silicon Laboratories Inc, CY28329ZXC Datasheet

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CY28329ZXC

Manufacturer Part Number
CY28329ZXC
Description
Clock Drivers & Distribution Intel CK-408B for Plumas chipset
Manufacturer
Silicon Laboratories Inc
Datasheet

Specifications of CY28329ZXC

Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
CY28329ZXC
Manufacturer:
CY
Quantity:
81
Part Number:
CY28329ZXCT
Manufacturer:
FINISAR
Quantity:
101
Rev 1.0, November 24, 2006
2200 Laurelwood Road, Santa Clara, CA 95054
Features
• Multiple output clocks at different frequencies
• Spread Spectrum clocking (down spread)
• Power-down features (PCI_STOP#, PD#)
• Three Select inputs (Mode select & IC Frequency
• OE and Test Mode support
• 56-pin SSOP package and 56-pin TSSOP package
Logic Block Diagram
— Four pairs of differential CPU outputs, up to 133 MHz
— Ten synchronous PCI clocks, three free-running
— Six 3V66 clocks
— Two 48-MHz clocks
— One reference clock at 14.318 MHz
— One VCH clock
Select)
VTTPWRGD#
PCI_STOP#
SDATA
SCLK
Mult0
X1
X2
S1:2
PD#
Gate
XTAL
PLL 1
PLL 2
OSC
SMBus
Logic
133 MHz Spread Spectrum Clock Synthesizer/Driver
Network
Divider
PWR
PWR
PWR
PWR
PLL Ref Freq
PWR
/2
PWR
Control
Clock
Stop
Tel:(408) 855-0555
VDD_48MHz
VDD_3V66
3V66_0
3V66_[2:]4/
66BUFF0:2
USB (48MHz)
DOT (48MHz)
VDD_REF
REF
VDD_CPU
3V66_5/ 66IN
VCH_CLK/ 3V66_1
CPU[0:3]
VDD_PCI
CPU[0:3]#
PCI_F[0:2]
PCI0:6
Benefits
• Motherboard clock generator
• Enables reduction of EMI and overall system cost
• Enables ACPI compliant designs
• Supports up to four CPU clock frequencies
• Enables ATE and “bed of nails” testing
• Widely available, standard package enables lower cost
— Support Multiple CPUs and a chipset
— Support for PCI slots and chipset
— Supports AGP and Hub Link
— Supports USB host controller and graphic controller
— Supports ISA slots and I/O chip
with Differential CPU Outputs
Fax:(408) 855-0550
66BUFF2/3V66_4
66BUFF0/3V66_2
66BUFF1/3V66_3
VTTPWRGD#
66IN/3V66_5
GND_CORE
VDD_CORE
XTAL_OUT
GND_3V66
VDD_3V66
GND_REF
VDD_REF
GND_PCI
GND_PCI
VDD_PCI
VDD_PCI
XTAL_IN
Pin Configurations
PCI_F0
PCI_F1
PCI_F2
PCI6
PCI0
PCI1
PCI2
PCI3
PCI4
PCI5
PD#
SSOP and TSSOP
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
Top View
www.SpectraLinear.com
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
CY28329
VDD_ 48 MHz
GND_ 48 MHz
DOT
REF
S1
CPU3
CPU3#
CPU0
CPU0#
VDD_CPU
CPU1
CPU1#
GND_CPU
VDD_CPU
CPU2
CPU2#
MULT0
IREF
GND_IREF
S2
USB
3V66_1/VCH
PCI_STOP#
3V66_0
VDD_3V66
GND_3V66
SCLK
SDATA
Page 1 of 16

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CY28329ZXC Summary of contents

Page 1

MHz Spread Spectrum Clock Synthesizer/Driver Features • Multiple output clocks at different frequencies — Four pairs of differential CPU outputs 133 MHz — Ten synchronous PCI clocks, three free-running — Six 3V66 clocks — Two 48-MHz clocks ...

Page 2

Pin Description Name Pins REF 56 3.3V 14.318 MHz clock output XTAL_IN 2 14.318 MHz crystal input XTAL_OUT 3 14.318 MHz crystal input CPU, CPU [0:3]# 44, 45, 48, 49, Differential CPU clock outputs 51, 52, 53, 54 3V66_0 33 ...

Page 3

Function Table 66BUFF[0:2]/ CPU 3V66[0:1 (MHz) MHz 100 MHz 66 MHz 66IN 1 1 133 MHz 66 MHz 66IN 0 0 100 MHz 66 MHz 66 MHz 0 1 133 MHz 66 MHz 66 MHz ...

Page 4

Serial Data Interface (SMBus) To enhance the flexibility and function of the clock synthesizer, a two-signal SMBus interface is provided according to SMBus specification. Through the Serial Data Interface, various device functions such as individual clock output buffers, etc. can ...

Page 5

Data Byte 1: Bit Pin# Name Bit 7 – Bit 6 53, 54 CPU3 CPU3# Bit 5 – – Bit 4 – – Bit 3 – – Bit 2 44, 45 CPU2 CPU2# Bit 1 48, 49 CPU1 CPU1# Bit ...

Page 6

Data Byte 4: Bit Pin# Name Bit 7 – Bit 6 – Bit 5 33 3V66_0 Bit 4 35 3V66_1/VCH Bit 3 24 66IN/3V66_5 Bit 2 23 66BUFF2 Bit 1 22 66BUFF1 Bit 0 21 66BUFF0 Data Byte 5: Bit ...

Page 7

Absolute Maximum Conditions (Above which the useful life may be impaired. For user guide- lines, not tested.) Supply Voltage..................................................–0.5 to +7.0V Input Voltage............................................ –0. Operating Conditions over which electrical parameters are guaranteed Parameter ...

Page 8

Switching Characteristics Over the Operating Range Parameter Output t All Output Duty Cycle 1 t CPU Rise Time 2 t USB, REF, Rising Edge Rate 2 DOT t PCI, 3V66 Rising Edge Rate 2 t CPU Fall Time 3 t ...

Page 9

Definition and Application of VTTPWRGD# Signal Vtt VRM8.5 VTTPWRGD# CLOCK S0 GENERATOR S1 Rev 1.0, November 24, 2006 CPU VTTPWRGD# BSEL0 3.3V 3.3V NPN 10K 10K CY28329 BSEL1 3.3V 10K GMCH 10K Page ...

Page 10

Switching Waveforms Duty Cycle Timing (Single-Ended Output Duty Cycle Timing (CPU Differential Output All Outputs Rise/Fall Time OUTPUT t 2 CPU-CPU Clock Skew Host_b Host Host_b Host t 4 3V66-3V66 Clock Skew ...

Page 11

Switching Waveforms (continued) 3V66-PCI Clock Skew 3V66 PCI t 7 CPU Clock Cycle-Cycle Jitter Host_b Host Cycle-Cycle Clock Jitter CLK VDD and POR Timing VDD POR Rev 1.0, November 24, 2006 1.5V ...

Page 12

VTTPWRGD# Timing Diagrams GND VRM 5/12V PWR_GD VID [3:0] BSEL [1:0] VTTPWRGD FROM VRM VCC CPU CORE VTTPWRGD VCC CLOCK GEN State 0 CLOCK STATE OFF CLOCK VCO OFF CLOCK OUTPUTS GND VRM 5/12V PWRGD VID [3:0] BSEL [1:0] PWRGD ...

Page 13

PD# Assertion 66BUFF PCI PCI_F (APIC) PD# CPU CPU# 3V66 66IN USB REF PD# Deassertion 66BUFF1/GMCH 66BUFF[0:2] PCI PCI_F (APIC) PD# CPU CPU# 3V66 66IN USB REF Rev 1.0, November 24, 2006 Power Down Rest of Generator 10–30 μs min. ...

Page 14

Layout Example +3.3V Supply FB 10 μF 0.005 μ VDDQ3 1.0 - 4.7KΩ Dale ILB1206 - 300 or 2TDKACB2012L-120 or 2 Murata BLM21B601S Ceramic Caps C1 = 10–22 μ VIA ...

Page 15

... Small Shrunk Outline Package (SSOP) CY28329OXCT 56-Pin Small Shrunk Outline Package (SSOP) -Tape and Reel CY28329ZXC 56-Pin Thin Small Shrunk Outline Package (TSSOP) CY28329ZXCT 56-Pin Thin Small Shrunk Outline Package (TSSOP) Rev 1.0, November 24, 2006 4, 9, 15, 20, 31, 36, 41 14, 19,32,37, 46, 50 ...

Page 16

Package Drawing and Dimensions 56-Lead Thin Shrunk Small Outline Package, Type mm) Z56 0.249[0.009 13.894[0.547] 14.097[0.555] 0.851[0.033] 0.500[0.020] 0.950[0.037] BSC While SLI has reviewed all information herein for accuracy and reliability, Spectra ...

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