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MCP3461RT-E/ST データシート(PDF) 13 Page - Microchip Technology |
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MCP3461RT-E/ST データシート(HTML) 13 Page - Microchip Technology |
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13 / 118 page  2020-2021 Microchip Technology Inc. DS20006404C-page 13 MCP3461/2/4R TABLE 1-2: SPI SERIAL INTERFACE TIMING SPECIFICATIONS FOR DVDD = 1.8V TO 2.7V (10 MHz MAXIMUM SCK FREQUENCY) Electrical Specifications: DVDD = 1.8V to 2.7V, TA = -40°C to +125°C, CLOAD =30pF. See Figure 1-1. Parameters Sym. Min. Typ. Max. Units Conditions Serial Clock Frequency fSCK —— 10 MHz CS Setup Time tCSS 50 — — ns CS Hold Time tCSH 100 — — ns CS Disable Time tCSD 100 — — ns Data Setup Time tSU 10 — — ns Data Hold Time tHD 20 — — ns Serial Clock High Time tHI 40 — — ns Serial Clock Low Time tLO 40 — — ns Serial Clock Delay Time tCLD 100 — — ns Serial Clock Enable Time tCLE 100 — — ns Output Valid from SCK Low tDO —— 50 ns Output Hold Time tHO 0— — ns Output Disable Time tDIS — — 50 ns Measured with a 1.5 mA pull-up current source on SDO pin POR IRQ Disable Time tCSIRQ — — 60 ns Measured with a 1.5 mA pull-up current source on IRQ pin Output Valid from CS Low tCSSDO — — 50 ns SDO toggles to logic low at each communication start (CS falling edge) TABLE 1-3: DIGITAL I/O DC SPECIFICATIONS Electrical Specifications: Unless otherwise indicated, all parameters apply at DVDD = 1.8V to 3.6V, TA = -40°C to +125°C. Parameters Sym. Min. Typ. Max. Units Conditions Schmitt Trigger High-Level Input Voltage VIH 0.7 x DVDD —— V Schmitt Trigger Low-Level Input Voltage VIL —— 0.3 x DVDD V Hysteresis of Schmitt Trigger Inputs VHYS —200 — mV Low-Level Output Voltage VOL —— 0.2 x DVDD VIOL =+1.5 mA High-Level Output Voltage VOH 0.8 x DVDD —— V IOH =-1.5mA Input Leakage Current ILI_D — — 1 µA Pins configured as inputs or high-impedance outputs |
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