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AMC7820Y Datasheet(PDF) 6 Page - Texas Instruments |
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AMC7820Y Datasheet(HTML) 6 Page - Texas Instruments |
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6 / 28 page  AMC7820 SBAS231B www.ti.com 6 TIMING CHARACTERISTICS At –40 °C to +85°C, +AV DD = +DVDD = +5V, VREF = +2.5V, +BVDD = +5V, unless otherwise noted. PARAMETER SYMBOL MIN MAX UNITS SCLK Period tSCK 30 ns SCLK HIGH or LOW Time tWSCK 15 ns Rise Time tR 30 ns Fall Time tF 30 ns Enable Lead Time tLEAD 15 ns Enable Lag Time tLAG 15 ns Sequential Transfer Delay tTD 30 ns Data Setup Time tSU 10 ns Data Hold Time (inputs) tHI 10 ns Slave Access Time tA 15 ns Data Valid tV 10 ns Data Hold Time (outputs) tHO 0ns Slave MISO Disable Time tDIS 15 ns TIMING CHARACTERISTICS At –40 °C to +85°C, +AV DD = +DVDD = +5V, VREF = +2.5V, +BVDD = +3V, unless otherwise noted. PARAMETER SYMBOL MIN MAX UNITS SCLK Period tSCK 40 ns SCLK HIGH or LOW Time tWSCK 20 ns Rise Time tR 30 ns Fall Time tF 30 ns Enable Lead Time tLEAD 15 ns Enable Lag Time tLAG 15 ns Sequential Transfer Delay tTD 30 ns Data Setup Time tSU 10 ns Data Hold Time (inputs) tHI 10 ns Slave Access Time tA 15 ns Data Valid tV 15 ns Data Hold Time (outputs) tHO 0ns Slave MISO Disable Time tDIS 15 ns TIMING DIAGRAM t TD t R t LAG t F t V t A Hi-Z t HO t DIS t SCK t WSCK t WSCK t LEAD t SU t HI SS SCLK MOSI MISO Command BIT 15 (MSB) Command BIT 14 . . . 1 Command BIT 0 (LSB) DATA IN BIT 15 (MSB) DATA IN BIT 14 . . . 1 DATA IN BIT 0 (LSB) DATA OUT BIT 15 (MSB) DATA OUT BIT 14 . . . 1 DATA OUT BIT 0 (LSB) WRITE COMMAND FROM THE HOST WRITE OPERATION DATA WRITTEN INTO AMC7820’s REGISTERS Previous value of register N before writing operation. NOTE: If SS is HIGH, MISO is in Hi-Z. t TD t R t LAG t F t V t A Hi-Z t HO t DIS t SCK t WSCK t WSCK t LEAD t SU t HI SS SCLK MOSI MISO Command BIT 15 (MSB) Don’t Care Command BIT 14 . . . 1 Command BIT 0 (LSB) Don’t Care DATA OUT BIT 15 (MSB) DATA OUT BIT 14 . . . 1 DATA OUT BIT 0 (LSB) READ COMMAND FROM THE HOST READ OPERATION DATA READ FROM AMC7820’s REGISTERS NOTE: If SS is HIGH, MISO is in Hi-Z. |
Número de pieza similar - AMC7820Y |
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Descripción similar - AMC7820Y |
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