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932SQL456AKILF Scheda tecnica(PDF) 1 Page - Integrated Device Technology |
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932SQL456AKILF Scheda tecnica(HTML) 1 Page - Integrated Device Technology |
1 / 23 page DATASHEET 932SQL456 REVISION B 09/29/15 1 ©2015 Integrated Device Technology, Inc. Low-Power CK420BQ Derivative for PCIe Separate Clock Architectures 932SQL456 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 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 85Ω 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 Pin Configurations 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 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 GNDPCI 1 48 GNDCPU VDDPCI 2 47 VDDCPU PCI4_2x 3 46 CPU1_Z85T PCI3_2x 4 45 CPU1_Z85C PCI2_2x 5 44 CPU0_Z85T PCI1_2x 6 43 CPU0_Z85C PCI0_2x 7 42 GNDNS GNDPCI 8 41 AVDD_NS_SAS VDDPCI 9 40 NS_SAS1_Z85T VDD48 10 39 NS_SAS1_Z85C 48M_2x 11 38 NS_SAS0_Z85T GND48 12 37 NS_SAS0_Z85C GND96 13 36 GNDNS DOT96_Z85T 14 35 VDDNS DOT96_Z85C 15 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 Note: Pins with ^ prefix have internal 120K pullup Pins with v prefix have internal 120K pulldown 64-Pin VFQFPN 932SQL456 epad = pin 65, connect to GND |
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