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MAX6901

Maxim
Part Number MAX6901
Manufacturer Maxim
Description I2C-Compatible RTC
Published May 2, 2005
Detailed Description 19-1942; Rev 3; 6/03 I2C-Compatible RTC in a TDFN General Description The MAX6900, I2C™-bus-compatible real-time clock ...
Datasheet PDF File MAX6901 PDF File

MAX6901
MAX6901

Overview
19-1942; Rev 3; 6/03 I2C-Compatible RTC in a TDFN General Description The MAX6900, I2C™-bus-compatible real-time clock (RTC) in a 6-pin TDFN package contains a real-time clock/calendar and 31-byte ✕ 8-bit wide of static random access memory (SRAM).
The real-time clock/calendar provides seconds, minutes, hours, day, date, month, and year information.
The end of the month date is automatically adjusted for months with fewer than 31 days, including corrections for leap year up to the year 2100.
The clock operates in either the 24hr or 12hr format with an AM/PM indicator.
Features o Real-Time Clock Counts Seconds, Minutes, Hours, Date, Month, Day, and Year o Leap Year Compensation Valid up to Year 2100 o Fast (400kHz) I2C-Bus-Compatible Interface from 2.
0V to 5.
5V o 31 ✕ 8 SRAM for Scratchpad Data Storage o Uses Standard 32.
768kHz, 12.
5pF Load, Watch Crystal o Ultra-Low 225nA (typ) Timekeeping Current o Single-Byte or Multiple-Byte (Burst Mode) Data Transfer for Read or Write of Clock Registers or SRAM o 6-Pin 3mm x 3mm x 0.
8mm TDFN Surface-Mount Package o No External Crystal Bias Resistors or Capacitors Required MAX6900 Applications Portable Instruments Point-of-Sale Equipment Intelligent Instruments Battery-Powered Products I2C is a trademark of Philips Corp.
Purchase of I2C components of Maxim Integrated Products, Inc.
, or one of its sublicensed Associated Companies, conveys a license under the Philips I2C Patent Rights to use these components in an I2C system, provided that the system conforms to the I2C Standard Specification as defined by Philips.
Ordering Information PART MAX6900ETT-T TEMP RANGE -40°C to +85°C PINPACKAGE 6 TDFN TOP MARK AEU Related Real-Time Clock Products PART MAX6900 MAX6901 MAX6902 SERIAL BUS I2C compatible 3-wire SPI™ compatible SRAM 31 ✕ 8 31 ✕ ALARM FUNCTION — Polled Polled OUTPUT FREQUENCY — 32kHz — PIN-PACKAGE 6 TDFN 8 TDFN 8 TDFN 8 31 ✕ 8 SPI is a trademark of Motorola, Inc.
Pin Configuration TOP VIEW Typical Operating Cir...


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