Datasheet AD9633 (Analog Devices) - 8

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Data Sheet AD9633 TIMING SPECIFICATIONS Table 5. Parameter Description Limit Unit
SYNC TIMING REQUIREMENTS tSSYNC SYNC to rising edge of CLK+ setup time 1.2 ns min tHSYNC SYNC to rising edge of CLK+ hold time −0.2 ns min SPI TIMING REQUIREMENTS See Figure 73 tDS Setup time between the data and the rising edge of SCLK 2 ns min tDH Hold time between the data and the rising edge of SCLK 2 ns min tCLK Period of the SCLK 40 ns min tS Setup time between CSB and SCLK 2 ns min tH Hold time between CSB and SCLK 2 ns min tHIGH SCLK pulse width high 10 ns min tLOW SCLK pulse width low 10 ns min tEN_SDIO Time required for the SDIO pin to switch from an input to an output relative to the 10 ns min SCLK falling edge (not shown in Figure 73) tDIS_SDIO Time required for the SDIO pin to switch from an output to an input relative to the 10 ns min SCLK rising edge (not shown in Figure 73)
Timing Diagrams
Refer to the Memory Map Register Descriptions section and Table 21 for SPI register settings.
N – 1 VIN±x N + 1 tA N tEH tEL CLK– CLK+ tCPD DCO+ DDR DCO– DCO+ SDR DCO– tFRAME tFCO FCO– FCO+ t t PD DATA D0–A BITWISE D10 D08 D06 D04 D02 LSB D10 D08 D06 D04 D02 LSB MODE N – 17 N – 17 N – 17 N – 17 N – 17 N – 17 N – 16 N – 16 N – 16 N – 16 N – 16 N – 16 D0+A t D1–A LD MSB D09 D07 D05 D03 D01 MSB D09 D07 D05 D03 D01 N – 17 N – 17 N – 17 N – 17 N – 17 N – 17 N – 16 N – 16 N – 16 N – 16 N – 16 N – 16 D1+A FCO– FCO+ D0–A BYTEWISE D05 D04 D03 D02 D01 LSB D05 D04 D03 D02 D01 LSB MODE N – 17 N – 17 N – 17 N – 17 N – 17 N – 17 N – 16 N – 16 N – 16 N – 16 N – 16 N – 16 D0+A D1–A MSB D10 D09 D08 D07 D06 MSB D10 D09 D08 D07 D06
004
N – 17 N – 17 N – 17 N – 17 N – 17 N – 17 N – 16 N – 16 N – 16 N – 16 N – 16 N – 16 D1+A
10073- Figure 2. 12-Bit DDR/SDR, Two-Lane, 1× Frame Mode (Default) Rev. B | Page 7 of 41 Document Outline Features Applications General Description Functional Block Diagram Product Highlights Table of Contents Revision History Specifications DC Specifications AC Specifications Digital Specifications Switching Specifications Timing Specifications Timing Diagrams Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics AD9633-80 AD9633-105 AD9633-125 Equivalent Circuits Theory of Operation Analog Input Considerations Input Common Mode Differential Input Configurations Voltage Reference Internal Reference Connection External Reference Operation Clock Input Considerations Clock Input Options Input Clock Divider Clock Duty Cycle Jitter Considerations Power Dissipation and Power-Down Mode Digital Outputs and Timing SDIO/OLM Pin SCLK/DTP Pin CSB Pin RBIAS Pin Output Test Modes Serial Port Interface (SPI) Configuration Using the SPI Hardware Interface Configuration Without the SPI SPI Accessible Features Memory Map Reading the Memory Map Register Table Open Locations Default Values Logic Levels Channel-Specific Registers Memory Map Register Table Memory Map Register Descriptions Device Index (Register 0x05) Transfer (Register 0xFF) Power Modes (Register 0x08) Bits[7:6]—Open Bit 5—External Power-Down Pin Function Bits[4:2]—Open Bits[1:0]—Power Mode Enhancement Control (Register 0x0C) Bits[7:3]—Open Bit 2—Chop Mode Bits[1:0]—Open Output Mode (Register 0x14) Bit 7—Open Bit 6—LVDS-ANSI/LVDS-IEEE Option Bits[5:3]—Open Bit 2—Output Invert Bit 1—Open Bit 0—Output Format Output Adjust (Register 0x15) Bits[7:6]—Open Bits[5:4]—Output Driver Termination Bits[3:1]—Open Bit 0—Output Drive Output Phase (Register 0x16) Bit 7—Open Bits[6:4]—Input Clock Phase Adjust Bits[3:0]—Output Clock Phase Adjust Serial Output Data Control (Register 0x21) Resolution/Sample Rate Override (Register 0x100) User I/O Control 2 (Register 0x101) Bits[7:1]—Open Bit 0—SDIO Pull-Down User I/O Control 3 (Register 0x102) Bits[7:4]—Open Bit 3—VCM Power-Down Bits[2:0]—Open Applications Information Design Guidelines Power and Ground Recommendations Clock Stability Considerations Exposed Pad Thermal Heat Slug Recommendations VCM Reference Decoupling SPI Port Crosstalk Performance Outline Dimensions Ordering Guide