MAX695 MAXIM [Maxim Integrated Products], MAX695 Datasheet
MAX695
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MAX695 Summary of contents
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Rev 3; 6/03 General Description 2 The MAX6900, I C™-bus-compatible real-time clock (RTC 6-pin TDFN package contains a real-time ✕ clock/calendar and 31-byte 8-bit wide of static ran- dom access memory (SRAM). The real-time clock/cal- endar provides ...
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I C-Compatible RTC in a TDFN ABSOLUTE MAXIMUM RATINGS V to GND ..............................................................-0.3V to +6V CC All Other Pins to GND ................................-0. Input Current All Pins ............................................................................20mA Output Current All Outputs .......................................................................20mA Rate of Rise, V ............................................................100V/µs ...
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AC ELECTRICAL CHARACTERISTICS (continued +2.0V to +5.5V MIN MAX PARAMETER SYMBOL Hold Time After (Repeated) START Condition (After this t Period, the First Clock Is Generated) Repeated START Condition t Setup ...
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I C-Compatible RTC in a TDFN (T = +25°C, unless otherwise noted.) A Pin Description PIN NAME FUNCTION 1 V Power Supply 32.768kHz External Crystal 3 X2 32.768kHz External Crystal 4 GND Ground 2 5 SCL ...
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X1 X2 VCC GND SCL SDA Figure 2. Functional Diagram days, including corrections for leap year up to the year 2100. Crystal Oscillator The MAX6900 uses an external, standard 12.5pF load watch crystal. No other external components are required for ...
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I C-Compatible RTC in a TDFN SDA SCL MASTER TRANSMITTER/ RECEIVER 2 Figure Bus System Configuration SDA SCL S START CONDITION 2 Figure Bus Start and Stop Conditions SDA SCL 2 Figure 5. ...
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DATA OUTPUT BY TRANSMITTER DATA OUTPUT BY RECEIVER SCL FROM MASTER S START CONDITION 2 Figure Bus Acknowledge An unlimited number of data bytes between the start and stop conditions can be sent between the transmit- ter ...
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I C-Compatible RTC in a TDFN Table 1. Register Address Definition FUNCTION CLOCK SEC MIN DATE 1 0 ...
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Table 1. Register Address Definition (continued) FUNCTION CLOCK RAM RAM RAM RAM BURST Note: POR STATE defines power-on ...
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I C-Compatible RTC in a TDFN Table 2. Hex Register Address Definition (continued) WRITE ADDRESS/ COMMAND BYTE (HEX ...
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Table 3. Data Transfer Summary ______________________________________________________________________________________ 2 I C-Compatible RTC in a TDFN 11 ...
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I C-Compatible RTC in a TDFN of the Burst Read function. The seven timekeeping reg- isters are latched upon the receipt of the Burst Read command. The worst-case error that can occur between the actual time and the read ...
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RAM burst mode is specified, no data transfer occurs to any of the RAM locations. Burst writes of data greater than 31 bytes could cause erroneous data in the MAX6900. Power-On Reset (POR) The MAX6900 contains an integral POR circuit ...
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I C-Compatible RTC in a TDFN TEMPERATURE (°C) -50 -40 -30 -20 - -50 -100 -150 -200 -250 TYPICAL TEMPERATURE CHARACTERISITICS (k = -0.035ppm/° +25°C) O Figure 10. Typical ...
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GUARD RING * ** ** GROUND PLANE VIA CONNECTION Figure 11. Recommended Board Layout ______________________________________________________________________________________ 2 I C-Compatible RTC in a TDFN GROUND PLANE VIA CONNECTION V PLANE CC * VIA CONNECTION 0.1µF SM CAP * ** * SM WATCH ...
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I C-Compatible RTC in a TDFN (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to www.maxim-ic.com/packages PIN 1 INDEX AREA NUMBER OF LEADS SHOWN ...
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For the latest package outline information go to www.maxim-ic.com/packages.) COMMON DIMENSIONS SYMBOL MIN. MAX. A 0.70 0.80 D 2.90 3.10 E 2.90 3.10 A1 0.00 0.05 ...