RV8564C2

Real Time Clock Specifications RV8564C2 Product RV8564C2 Option Codes Parameters Frequencies (selectable): 32.768kHz, 1024Hz, 32Hz & 1Hz Frequency tolerance: ±10ppm ±20ppm Other A B specify 5.20 (max) Turnover temperature (T0): +25°C ±5°C Frequency / temp coefficient: -0.035ppm/°C2 ±10% Operating temperature range: -40 to +85°C ACTUAL SIZE 1.20 (max) 3.40 (max) SOLDER PAD LAYOUT 0.90 10 1 6 5 0.60 1.00 TOP VIEW Storage temperature range: -55 to +125°C Supply voltage (VDD): I2C bus active 1.8 ~ 5.5V Data holding voltage (VDD): 1.2 ~ 5.5V Supply current (during access): 200µA max (fscl=100kHz) 800µA max (fscl=400kHz) Supply current (backup mode): 275nA typ (fscl=0Hz, VDD=3V) 250nA typ (fscl=0Hz, VDD=2V) Start up time: Scale 3:1 Ageing: 3s max 2.20 1.00 0.40 PAD 1 2 3 4 5 CONNECTION Supply (VDD) Frequency output (CLKOUT) Not connected Serial clock input (SCL) Data (SDA) PAD 6 7 8 9 10 CONNECTION Ground Interrupt output (/INT) Not connected Not connected FOUT output enable (CLKOE) ±3ppm max first year Features « « « « « Shock and vibration resistance: ±5ppm, 5,000g, 0.3ms, s i n e ±5ppm, 20g, 10.0 ~ 2,000Hz Soldering condition: Reflow, 260°C, 20 sec max Standard. Optional - Please specify required code(s) when ordering Equivalent to Epson RX-8564CF Compliant with I2C-Bus interface (400kHz) Built in crystal for adjustment-free operation Programmable alarm, timer and interrupt Low power consumption, low ageing Ordering Information Product + option code eg: RV8564C2/B ±20ppm Option code X (eg RV8564C2/X) denotes a custom spec. Available on T&R - 1k, 2.5k or 5k pcs per reel. Refer to our website for T&R and soldering details. The I2C-Bus is a trademark of Philips Electronics NBV Block Diagram 32.768kHz CRYSTAL OSC VOLTAGE DETECTOR DIVIDER CLKOUT CLKOE / INT SCL I2C BUS INTERFACE OUTPUT CONTROL CONTROL LOGIC Control 1 00 Control 2 Seconds Minutes Hours Days Weekdays Month / Century Years Minutes Alarm Hour Alarm Day Alarm Weekday Alarm CLKOUT Frequency Timer Control 0F Timer SDA ADDRESS REGISTER PDR Tel: +44 1460 256 100 14 Mar 2008 Fax: +44 1460 256 101 E-mail: sales@golledge.com Web: www.golledge.com