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BQ20Z75 Datasheet(PDF) 9 Page - Texas Instruments |
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BQ20Z75 Datasheet(HTML) 9 Page - Texas Instruments |
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9 / 20 page  Data Flash Characteristics Over Recommended Operating Temperature and Supply Voltage SMBus Timing Characteristics bq20z75 www.ti.com............................................................................................................................................................... SLUS723C – JULY 2007 – REVISED JULY 2008 Electrical Characteristics (continued) over operating free-air temperature range (unless otherwise noted), TA = –40°C to 85°C, VREG25 = 2.41 V to 2.59 V, VBAT = 14V, CREG25 = 1µF, CREG33 = 2.2µF; typical values at TA = 25°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT –3% 0.25% 3% f(EIO) Frequency error (12)(13) TA = 20°C to 70°C –2% 0.25% 2% t(SXO) Start-up time(14) 2.5 5 ms LOW FREQUENCY OSCILLATOR f(LOSC) Operating frequency 32.768 kHz –2.5% 0.25% 2.5% f(LEIO) Frequency error(13)(15) TA = 20°C to 70°C –1.5% 0.25% 1.5% t(LSXO) Start-up time(14) 500 µs (12) The frequency error is measured from 4.194 MHz. (13) The frequency drift is included and measured from the trimmed frequency at VREG25 = 2.5V, TA = 25°C (14) The startup time is defined as the time it takes for the oscillator output frequency to be ±3% (15) The frequency error is measured from 32.768 kHz. Typical Values at TA = 25°C and VREG25= 2.5 V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Data retention 10 Years Flash programming write-cycles 20k Cycles t(ROWPROG) Row programming time See (1) 2 ms t(MASSERASE) Mass-erase time 200 ms t(PAGEERASE) Page-erase time 20 ms I(DDPROG) Flash-write supply current 5 10 mA I(DDERASE) Flash-erase supply current 5 10 mA RAM BACKUP V(RBI) > V(RBI)MIN , VREG25 < VIT–, 1000 2500 TA = 85°C I(RB) RB data-retention input current nA V(RBI) > V(RBI)MIN , VREG25 < VIT–, 90 220 TA = 25°C V(RB) RB data-retention input voltage(1) 1.7 V (1) Assured by design. Not production tested. TA = –40°C to 85°C Typical Values at TA = 25°C and V(REG25) = 2.5 V (Unless Otherwise Noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT fSMB SMBus operating frequency Slave mode, SMBC 50% duty cycle 10 100 kHz fMAS SMBus master clock frequency Master mode, No clock low slave 51.2 kHz extend t(BUF) Bus free time between start and stop 4.7 µs (see Figure 1) t(HD:STA) Hold time after (repeated) start (see Figure 1) 4.0 µs t(SU:STA) Repeated start setup time (see Figure 1) 4.7 µs t(SU:STO) Stop setup time (see Figure 1) 4.0 µs t(HD:DAT) Receive mode 0 ns Data hold time (see Figure 1) Transmit mode 300 t(SU:DAT) Data setup time (see Figure 1) 250 ns Copyright © 2007–2008, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Link(s): bq20z75 |
Similar Part No. - BQ20Z75_08 |
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Similar Description - BQ20Z75_08 |
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