932SQL456 Datasheet PDF Download, IDT





(PDF) 932SQL456 Datasheet Download

Part Number 932SQL456
Description Low-Power CK420BQ Derivative
Manufacture IDT
Total Page 23 Pages
PDF Download Download 932SQL456 Datasheet PDF

Features: Low-Power CK420BQ Derivative for PCIe Se parate Clock Architectures 932SQL456 DATASHEET General Description The 932S QL456 is a low power version of the CK4 20BQ synthesizer for Intel-based server platforms. It has 85 ohm Low-Power (LP ) HCSL outputs that save 48 resistors a nd reduce power consumption by 50% comp ared to the standard CK420BQ. The 932SQ L456 is driven with a 25MHz crystal for maximum performance. It generates CPU outputs of 100MHz. This device meets Se parate- Reference-no-Spread (SRnS) PCIe requirements making it ideal for use i n systems that need to communicate “o utside the box”. Recommended Applicat ion Low-Power CK420BQ for SRnS PCIe App lications Key Specifications • CPU, S RC, NS_SRC and NS_SAS cycle-cycle jitte r <50ps • Output to output skew <50ps • Phase jitter: PCIe Gen2 SRnS <2.2p s rms • Phase jitter: PCIe Gen3 SRnS <0.7ps rms • Phase jitter: QPI <0.3ps rms • Phase jitter: NS-SAS <1.3ps rm s using long period phase jitter method Pin Configurations Fea.

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Low-Power CK420BQ Derivative for PCIe
Separate Clock Architectures
932SQL456
DATASHEET
General Description
The 932SQL456 is a low power version of the CK420BQ
synthesizer for Intel-based server platforms. It has 85 ohm
Low-Power (LP) HCSL outputs that save 48 resistors and
reduce power consumption by 50% compared to the standard
CK420BQ. The 932SQL456 is driven with a 25MHz crystal for
maximum performance. It generates CPU outputs of
100MHz. This device meets Separate- Reference-no-Spread
(SRnS) PCIe requirements making it ideal for use in systems
that need to communicate “outside the box”.
Recommended Application
Low-Power CK420BQ for SRnS PCIe Applications
Key Specifications
CPU, SRC, NS_SRC and NS_SAS cycle-cycle jitter <50ps
Output to output skew <50ps
Phase jitter: PCIe Gen2 SRnS <2.2ps rms
Phase jitter: PCIe Gen3 SRnS <0.7ps rms
Phase jitter: QPI <0.3ps rms
Phase jitter: NS-SAS <1.3ps rms using long period phase
jitter method
Pin Configurations
Features/Benefits
Integrated 85-ohm differential terminations; saves 48
resistors compared to CK420BQ
LP-HCSL outputs; up to 50% power savings compared to
standard CK420BQ
64-pin TSSOP and VFQFPN packages; smallest board
footprint
Available in -40° to +85°C industrial temperature range
version; supports demanding operating environments
Output Features
Differential outputs are LP-HCSL with integrated 85
terminations
11 – non-spreading interchangeable 100MHz differential
outputs
4 – “CPU” outputs
2 – “NS_SAS” outputs
2 – “NS_SRC” outputs
3 – “SRC” outputs
1 – DOT96 96MHz output
1 – 3.3V 48M output
5 – 3.3V PCI outputs
1 – 3.3V 14.318M output
SMBCLK 1
64 SMBDAT
GND14 2
63 VDDCPU
AVDD14 3
62 CPU3_Z85T
VDD14 4
61 CPU3_Z85C
vREF14_2x/TEST_SELLV 5
60 CPU2_Z85T
GND14 6
59 CPU2_Z85C
GNDXTAL 7
58 GNDCPU
X1_25 8
57 VDDCPU
X2_25 9
56 CPU1_Z85T
VDDXTAL 10
55 CPU1_Z85C
GNDPCI 11
54 CPU0_Z85T
VDDPCI 12
53 CPU0_Z85C
PCI4_2x 13
52 GNDNS
PCI3_2x 14
51 AVDD_NS_SAS
PCI2_2x 15
50 NS_SAS1_Z85T
PCI1_2x 16
49 NS_SAS1_Z85C
PCI0_2x 17
48 NS_SAS0_Z85T
GNDPCI 18
47 NS_SAS0_Z85C
VDDPCI 19
46 GNDNS
VDD48 20
45 VDDNS
48M_2x 21
44 NS_SRC1_Z85T
GND48 22
43 NS_SRC1_Z85C
GND96 23
42 NS_SRC0_Z85T
DOT96_Z85T 24
41 NS_SRC0_Z85C
DOT96_Z85C 25
40 NC
AVDD96 26
39 GNDSRC
TEST_MODE 27
38 AVDD_SRC
CKPWRGD#/PD 28
37 VDDSRC
VDDSRC 29
36 SRC2_Z85T
SRC0_Z85T 30
35 SRC2_Z85C
SRC0_Z85C 31
34 SRC1_Z85T
GNDSRC 32
33 SRC1_Z85C
64-TSSOP
Note: Pins with ^ prefix have internal 120K pullup
Pins with v prefix have internal 120K pulldown
932SQL456 REVISION B 09/29/15
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
GNDPCI 1
VDDPCI 2
48 GNDCPU
47 VDDCPU
PCI4_2x 3
46 CPU1_Z85T
PCI3_2x 4
PCI2_2x 5
45 CPU1_Z85C
44 CPU0_Z85T
PCI1_2x 6
43 CPU0_Z85C
PCI0_2x 7
GNDPCI 8
VDDPCI 9
VDD48 10
932SQL456
epad = pin 65,
connect to GND
42 GNDNS
41 AVDD_NS_SAS
40 NS_SAS1_Z85T
39 NS_SAS1_Z85C
48M_2x 11
GND48 12
38 NS_SAS0_Z85T
37 NS_SAS0_Z85C
GND96 13
36 GNDNS
DOT96_Z85T 14
DOT96_Z85C 15
35 VDDNS
34 NS_SRC1_Z85T
AVDD96 16
33 NS_SRC1_Z85C
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
64-Pin VFQFPN
Note: Pins with ^ prefix have internal 120K pullup
Pins with v prefix have internal 120K pulldown
1 ©2015 Integrated Device Technology, Inc.

                    
                    






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