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AD1816AJS 数据表(PDF) 6 Page - Analog Devices |
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AD1816AJS 数据表(HTML) 6 Page - Analog Devices |
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6 / 52 page ![]() AD1816A –6– REV. A TIMING PARAMETERS (Guaranteed Over Operating Temperature Range) Parameter Symbol Min Typ Max Units IOW/IOR Strobe Width tSTW 100 ns IOW/IOR Rising to IOW/IOR Falling tBWDN 80 ns Write Data Setup to IOW Rising tWDSU 10 ns IOW Falling to Valid Read Data tRDDV 40 ns AEN Setup to IOW/IOR Falling tAESU 10 ns AEN Hold from IOW/IOR Rising tAEHD 0ns Adr Setup to IOW/IOR Falling tADSU 10 ns Adr Hold from IOW/IOR Rising tADHD 0ns DACK Rising to IOW/IOR Falling tDKSU 20 ns Data Hold from IOR Rising tDHD1 2ns Data Hold from IOW Rising tDHD2 15 ns DRQ Hold from IOW/IOR Falling tDRHD 25 ns DACK Hold from IOW/IOR Rising tDKHD 10 ns Data [SDI] Input Setup Time to SCLK* tS 15 ns Data [SDI] Input Hold Time from SCLK* tH 10 ns Frame Sync [SDFS] HI Pulse Width* tFSW 80 ns C lock [SCLK] to Frame Sync [SDFS] Propagation Delay*tPD 15 ns Clock [SCLK] to Output Data [SDO] Valid* tDV 15 ns RESET Pulse Width tRPWL 100 ns BCLK HI Pulse Width tDBH 25 ns BCLK LO Pulse Width tDBL 25 ns BCLK Period tDBP 50 ns LRCLK Setup tDLS 5ns SDATA Setup tDDS 5ns SDATA Hold tDDH 5ns NOTES *Guaranteed, not tested. †All ISA pins MIDI_OUT IOL = 24 mA. Refer to pin description for individual output drive levels. Specifications subject to change without notice. tDKSU tDKHD tAESU tAEHD tSTW tDHD2 tADSU tADHD DRQ (0, 1, 3) DACK (0, 1, 3) AEN IOW PC_D [7:0] PC_A [15:0] tWDSU Figure 2. PIO Write Cycle t DKSU t DKHD t AESU t AEHD t STW t RDDV t DHD1 t ADSU t ADHD DRQ (0, 1, 3) DACK (0, 1, 3) AEN IOR PC_D [7:0] PC_A [15:0] Figure 1. PIO Read Cycle |
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