CY28RS480 SpectraLinear, CY28RS480 Datasheet

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CY28RS480

Manufacturer Part Number
CY28RS480
Description
Clock Generator
Manufacturer
SpectraLinear
Datasheet

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Features
CLKREQ[0:1]#
Rev 1.0, November 22, 2006
2200 Laurelwood Road, Santa Clara, CA 95054
• Supports AMD CPU
• 200 MHz differential CPU clock pairs
• 100 MHz differential SRC clocks
• 48 MHz USB clock
• 33 MHz PCI clock
• 66 MHz HyperTransport
Block Diagram
CPU_STP#
SDATA
XOUT
SCLK
IREF
XIN
PD
PLL1
PLL2
Logic
XTAL
OSC
I
2
C
Network
Divider
PLL Ref Freq
clock
Clock Generator for ATI
Tel:(408) 855-0555
VDD_REF
REF[0:2]
VDD_CPU
VDD_SRC
VDD_PCI
VDD_48 MHz
USB_48
CPUT[0:1], CPUC[0:1],
SRCT[0:5],SRCC[0:5]
VDD_SRCS
SRCST[0:1],SRCSC[0:1]
PCI
VDD_HTT
HTT66
www.DataSheet.co.kr
• I
• Ideal Lexmark Spread Spectrum profile for maximum
• 3.3V power supply
• 56-pin SSOP and TSSOP packages
CPU
electromagnetic interference (EMI) reduction
x2
2
CLKREQ#0
CLKREQ#1
C support with readback capabilities
Pin Configuration
VDD_SRC
VDD_SRC
VSS_SRC
VSS_SRC
VSS_SRC
SRCSC1
Fax:(408) 855-0550
SRCST1
VDD_48
USB_48
VSS_48
SRCC5
SRCC4
SRCC3
SRCC2
SRCC1
SDATA
SRCT5
SRCT4
SRCT3
SRCT2
SRCT1
XOUT
SCLK
XIN
SRC
NC
NC
x8
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
56 SSOP/TSSOP
HTT66
x1
RS480 Chipset
www.SpectraLinear.com
PCI
CY28RS480
x1
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
VDD_REF
VSS_REF
REF0
REF1
REF2
VDD_PCI
PCI0
VSS_PCI
VDD_HTT
HTT66
VSS_HTT
CPUT0
CPUC0
VDD_CPU
VSS_CPU
CPUT1
CPUC1
VDDA
VSSA
IREF
VSS_SRC1
VDD_SRC1
SRCT0
SRCC0
VDD_SRCS
VSS_SRCS
SRCST0
SRCSC0
REF
x 3
Page 1 of 14
USB_48
x 1
Datasheet pdf - http://www.DataSheet4U.net/

Related parts for CY28RS480

CY28RS480 Summary of contents

Page 1

... VDD_SRC VSS_SRC VDD_48 MHz SRCT4 SRCC4 SRCT3 USB_48 SRCC3 VSS_SRC VDD_SRC SRCT2 SRCC2 SRCT1 SRCC1 VSS_SRC SRCST1 SRCSC1 Tel:(408) 855-0555 Fax:(408) 855-0550 CY28RS480 RS480 Chipset HTT66 PCI REF USB_48 VDD_REF 2 55 VSS_REF 3 54 REF0 4 ...

Page 2

... Ground for REF outputs GND Ground for SRC outputs GND Ground for SRC outputs GND Ground for SRCS outputs GND Ground for HyperTransport outputs GND Analog Ground I 14.318-MHz Crystal Input O 14.318-MHz Crystal Output No Connects CY28RS480 Description Page Datasheet pdf - http://www.DataSheet4U.net/ ...

Page 3

... Data byte 2 from slave – 8 bits 56 Acknowledge .... Data bytes from slave / Acknowledge .... Data Byte N from slave – 8 bits .... NOT Acknowledge Byte Read Protocol Bit Description 1 Start 8:2 Slave address – 7 bits 9 Write 10 Acknowledge from slave CY28RS480 Page Datasheet pdf - http://www.DataSheet4U.net/ ...

Page 4

... Disable Enable REF1 Output Enable 0 = Disable Enable REF0 Output Enable 0 = Disable Enable PCI0 Output Enable 0 = Disable Enable USB_48MHz Output Enable 0 = Disable Enable RESERVED CPU[T/C]1 Output Enable 0 = Disable (Hi-Z Enable CPU[T/C]0 Output Enable 0 = Disable (Hi-Z Enable CY28RS480 Description Page Datasheet pdf - http://www.DataSheet4U.net/ ...

Page 5

... SRC[T/C]2 stoppable by CLKREQ#0 pin 0 = SRC[T/C]2 free running SRC[T/C]1 CLKREQ#0 control 1 = SRC[T/C]1 stoppable by CLKREQ#0 pin 0 = SRC[T/C]1 free running SRC[T/C]0 CLKREQ#0 control 1 = SRC[T/C]1 stoppable by CLKREQ#0 pin 0 = SRC[T/C]1 free running HTT66 Output enable 0 = Disabled Enabled CY28RS480 Description Description Description Page Datasheet pdf - http://www.DataSheet4U.net/ ...

Page 6

... REF Output drive strength 0 = Low drive High drive Reserved Reserved Reserved Reserved Reserved Revision Code Bit 3 Revision Code Bit 2 Revision Code Bit 1 Revision Code Bit 0 Vendor ID Bit 3 Vendor ID Bit 2 Vendor ID Bit 1 Vendor ID Bit 0 CY28RS480 Description Description Description Description Page Datasheet pdf - http://www.DataSheet4U.net/ ...

Page 7

... Crystal Recommendations The CY28RS480 requires a Parallel Resonance Crystal. Substituting a series resonance crystal will cause the CY28RS480 to operate at the wrong frequency and violate the ppm specification. For most applications there is a 300-ppm frequency shift between series and parallel crystals due to incorrect loading. ...

Page 8

... SRC outputs resuming simultaneously. If the CLKREQ# drive mode bit is programmed to ‘1’ three-state), the all stopped SRC outputs must be driven high within CLKREQ#[1:0] Assertion to a voltage greater than 200 mV. www.DataSheet.co.kr CY28RS480 Page Datasheet pdf - http://www.DataSheet4U.net/ ...

Page 9

... JEDEC (JESD 51) At 1/8 in. Condition 3.3V ± 5% SDATA, SCLK www.DataSheet.co.kr SDATA, SCLK VDD Except pull-ups or pull-downs 0<V < max load and frequency PD asserted, Outputs driven PD asserted, Outputs Hi-Z CY28RS480 Min. Max. Unit –0.5 4.6 V –0.5 4.6 V –0.5 V +0.5 VDC DD –65 +150 ° °C – ...

Page 10

... OX Measured at crossing point V OX Measured at crossing point V OX Measured from V = 0.175 0.525V OH Determined as a fraction of 2*(T – T )/( Math averages Figure 5 Math averages Figure 5 See Figure 5. Measure SE CY28RS480 Min. Max. Unit 47.5 52.5 % 69.841 71.0 ns – 10.0 ns – 500 ps – 300 ppm 2 7 V/ns 0.4 2.3 V – ...

Page 11

... Measurement at 1.5V Measurement at 1.5V Measurement at 1.5V Measurement at 1.5V Measurement at 2.4V Measurement at 0.4V Measured between 0.8V and 2.0V Measurement at 1.5V Measurement at 1.5V Measurement at 1.5V Measurement at 1.5V Measurement at 2.4V Measurement at 0.4V Measured between 0.8V and 2.0V Measurement at 1.5V www.DataSheet.co.kr Measurement at 1.5V@1 us Measurement at 1.5V Measurement at 1.5V Measurement at 1.5V Measured between 0.8V and 2.0V Measurement at 1.5V CY28RS480 Min. Max. Unit 0.9 6.5 V/ns – 450 ps – 500 29.99100 30.00900 ns 29 ...

Page 12

... Figure 5. 0.7V Load Configuration CY28RS480 Measurement Point 5pF Measurement Point 5pF Measurement Point 5pF Measurement Point 5pF Measurement Point ...

Page 13

... SEATING PLANE 0.095 0.110 GAUGE PLANE 0.110 0.008 0.008 0.016 0.0135 CY28RS480 Vbias=1.25V 125 ohms 5pF 5pF Product Flow Commercial Commercial Commercial Commercial DIMENSIONS IN INCHES MIN. MAX. 0.005 .010 ...

Page 14

... GAUGE PLANE MAX. 0.25[0.010] 0.20[0.008] 0.051[0.002] 0.152[0.006] 0.170[0.006] SEATING 0.279[0.011] PLANE www.DataSheet.co.kr CY28RS480 DIMENSIONS IN MM[INCHES] MIN. MAX. REFERENCE JEDEC MO-153 PACKAGE WEIGHT 0.42gms PART # Z5624 STANDARD PKG. ZZ5624 LEAD FREE PKG. 0.508[0.020] 0.762[0.030] 0°-8° ...

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