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AP1021 датащи(PDF) 16 Page - Asahi Kasei Microsystems |
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AP1021 датащи(HTML) 16 Page - Asahi Kasei Microsystems |
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16 / 24 page ![]() [AP1021] 015000428-E-00 2015/01 - 16 - ・DC characteristics Table 2. (Ta = 25C; VM = 2.0 ~ 24V, VC =3.0 ~ 5.5V, unless otherwise specified.) Parameter Symbol min typ max Unit Serial µP Interface (SDI, SDO, SCK pins) High-Level Input Voltage Low-Level Input Voltage VIH VIL 0.7xVC - - - - 0.3xVC V V Serial µP Interface (SDO pins Output) High-Level Output Voltage (Iout = 80A) Low-Level Output Voltage (Iout = 80A) VOH VOL VC0.2 - - - - 0.2 V V ・Switching characteristics Table 3. Parameter Symbol min typ max Unit Control Interface Timing SCK Period tSCK 500 - - ns SCK Pulse Width Low tSCKL 200 - - ns SCK Pulse Width High tSCKH 200 - - ns SDI Setup Time tSU 100 - - ns SDI Hold Time tH 100 - - ns CSN “H” Time tCSW 375 - - ns Enable Lead Time CSN “” Edge to SCK “” tLead 250 - - ns Enable Lag Time SCK “” to CSN “” Edge tLag 250 - - ns Access Time tA 0 - 120 ns Data Valid SCK “” to SDO (at Read Command) tV - - 240 ns Data Hold Time tHO 0 - - ns Disable Time CSN “” to SDO (Hi-Z) (at Read Command) tdis - - 240 ns SCK CSN SDI SDO tSCK tLead tLag tSCKH tSCKL tSU tH tA tdis tHO tV tCSW |
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