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bq76PL536APAP データシート(PDF) 13 Page - Texas Instruments |
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bq76PL536APAP データシート(HTML) 13 Page - Texas Instruments |
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13 / 60 page ![]() t CS,LEAD CS t CS,LAG t(SCLK ) SCLK t(HIGH) t(LOW) SDI tSU,SDI tHD,SDI SDO tACC tVALID, SDO tDIS t CS _ DLY bq76PL536A www.ti.com SLUSAD3A – JUNE 2011 – REVISED AUGUST 2012 AC TIMING CHARACTERISTICS SPI DATA INTERFACE Typical values stated where TA = 25°C and VBAT = 20 V, Min/Max values stated where TA = –40˚C to 85°C and VBAT = 7.2 V to 27 V (unless otherwise noted) PARAMETER TEST CONDITION MIN TYP MAX UNIT fSCLK SCLK frequency(1) 10 250 1000 kHz SCLKDC SCLK_H duty cycle, t(HIGH) / t(SCLK) or t(LOW) / t(SCLK) 40% 60% tCS,LEAD CS_H lead time, CS_H low to clock 50 SCLK/2 ns tCS,LAG CS_H lag time. Last clock to CS_H high 10 SCLK/2 ns tCS,DLY CS_H high to CS_H low (inter-packet delay requirement) 3 µs tACC CS_H access time(2): CS_H low to SDO_H data out 125 250 ns CS_H disable time(2): CS_H high to SDO_H high tDIS 2.5 2.7 µs impedance tSU,SDI SDI_H input-data setup time 15 ns tHD,SDI SDI_H input-data hold time 10 ns SDO_H output-data valid time tVALID,SDO CL ≤ 20 pF 75 110 ns SCLK_H edge to SDO_H valid (1) Maximum SCLK frequency is limited by the number of bq76PL536A devices in the vertical stack. The maximum listed here may not be realizable in systems due to delays and limits imposed by other components including wiring, connectors, PCB material and routing, etc. See text for details. (2) Time listed is for single device. Figure 3. SPI Host Interface Timing Copyright © 2011–2012, Texas Instruments Incorporated Submit Documentation Feedback 13 Product Folder Links :bq76PL536A |
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