V3020SO8A EMMICRO [EM Microelectronic - MARIN SA], V3020SO8A Datasheet
V3020SO8A
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V3020SO8A Summary of contents
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EM MICROELECTRONIC - R Ultra Low Power 1-Bit 32 kHz RTC Description The V3020 is a low power CMOS real time clock. Data is transmitted serially as 4 address bits and 8 data bits, over one line of a standard ...
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R Absolute Maximum Ratings Parameter Symbol Maximum voltage Minimun voltage Maximum voltage at any signal pin Minimum voltage at any signal pin Maximum storage T STOmax temperature Minimum storage temperature T Electrostatic ...
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R Electrical Characteristics (extended temperature range 5.0V ±10 and T =-40 to +125°C, unless otherwise specified Parameter Symbol Total static supply Total static supply Dynamic current Input / Output Input logic low ...
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R The V3020 will run slightly too fast, in order to allow the user to adjust the frequency, depending on the mean operating temperature. This is made since the crystal adjustment can only work by lowering the frequency with an ...
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R Typical Standby Current 5.5V DD Typical Standby Current 5.5V and Extended Temperature DD Copyright © 2005, EM Microelectronic-Marin SA 5 www.emmicroelectronic.com V3020 Fig. 4a Fig. 4b ...
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R Typical Frequency on I/O Pin Typical drift for ideal 32'768 Hz quartz Quartz Characteristics Copyright © 2005, EM Microelectronic-Marin SA Note : The trimming capacitor value must not exceed 15 pF. Greater values may disturb the oscillator function ∆ ...
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R Timing Characteristics (standard temperature range and T =-40 to +85°C, unless otherwise specified SS A Parameter Chip select duration RAM access time (note 1) Time between two transfers Rise time (note 2) Fall time (note 2) ...
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R Timing Waveforms Read Timing for Intel ( RD and WR Pulse) and Motorola ( DS (or RD pin tied and Write Timing for Intel ( RD and WR Pulse) Write Timing for Motorola ...
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R Communication Cycles Read Data Cycle for Intel ( RD and WR Pulse) Read Data Cycle for Motorola ( DS (or RD pin tied and Write Data Cycle for Intel ( RD and WR ...
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R Address Command Cycle for Intel ( RD and WR Pulse) Block Diagram Copyright © 2005, EM Microelectronic-Marin SA Address Command Cycle for Motorola ( DS (or RD pin tied and Fig ...
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R Pin Description Pin Name Function SO8 TSSO8 kHz crystal input kHz crystal output 3 5 Chip select input Ground supply I/O Data input and ...
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R Status Information The RAM addresses 0 and 1 contain status control data for the V3020. The function of each ibt (0 and 7) within address locations 0 and 1 is shown in Table 7a and 7b respectively. Status Word ...
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R Reading the Current Time and Date Send copy_clock_to_RAM addr. F hex Read time and data status bits, addr the seconds status bit set, addr. 1, bit 0 Yes Read seconds, addr the minutes status bit ...
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R Test Modes Addr. 0 Addr. 0 Function bit 3 bit Normal operation 0 1 All time keeping accelerated by 32 Parallel increment of all time data with no carry over Parallel ...
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R Typical Applications V3020 Interfaced with Intel CPU (RD/WR Pulse) V3020 Interfaced with Motorola CPU (Advanced R/W) 3 Wire Serial Interface 1) With strobe low bits are written to the V3020, and with strobe high bits are read from the ...
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R Battery Switch Over Circuit a) Ordering and Package Information Dimensions of 8-Pin SOIC Package 4 5 Dimensions of 8-Pin TSSOP Package Copyright © 2005, EM Microelectronic-Marin Dimensions in mm Min. A 1.35 3 ...
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... R Ordering Information When ordering, please specify the complete Part Number Part Number Temperature Range V3020SO8B V3020SO8A -40°C to +85°C V3020TP8B V3020TP8A V3020XSO8B V3020XSO8A -40°C to +125°C V3020XTP8B V3020XTP8A Where % and ## refer to the lot number and date (EM internal reference only). EM Microelectronic-Marin SA (EM) makes no warranty for the use of its products, other than those expressly contained in the Company's standard warranty which is detailed in EM's General Terms of Sale located on the Company's web site ...