Real time clock module Epson Toyocom Product Number (Please contact us) RTC-8564JE : Q41856471000100 RTC-8564NB : Q41856491000200 RX-8564LC : Q418564C2xxxx00 Low current consumption I2C-Bus INTERFACE REAL TIME CLOCK MODULE RTC - 8564JE/NB RX - 8564 LC Built in frequency adjusted 32.768 kHz crystal unit. Interface Type I2C-Bus Interface (400kHz) Operating voltage range 1.8Vto5.5V Timekeeper voltage range 1.0Vto5.5V/-20C to +70C Low backup current 275nA/3.0V(Typ.) 32.768 kHz frequency output function C-MOS output With Control Pin The various functions include full calendar, alarm, timer, and power supply voltage monitoring function Actual size RTC-8564JE RX-8564LC RTC-8564NB 2 * The I C-Bus is a trademark of NXP Semiconductors Block diagram Overview Interface Type 32.768 kHz CRYSTAL OSC Voltage Detector *I2C-Bus Interface.(Hi-speed bus specifications 400kHz) I2C-Bus slave address:read A3h and write A2h 00 Control 1 Control 2 Low Timekeeper voltage range Seconds *1.0V to5.5V/ Ta=-20Cto+70C *1.1V to5.5V/ Ta=-40Cto+85C Minutes Hours CLKOUT CLKOE OUTPUT DIVIDER CONTROL Days 32.768 kHz frequency output function Weekdays *CLKOUT pin output (C-MOS output ), CL=30 pF *CLKOE pin enables output on/off control. *Output selectable <32.768kHz,1024Hz,32Hz,1Hz> Month / Century Years / INT Minutes Alarm CONTROL LOGIC The various interrupt function Hour Alarm 2 SCL SDA Day Alarm I C-BUS INTERFACE *Timer function can be set up between 1/4096 second and 255 minutes. * Alarm function can be set to any combination of day of week, hour, or minute. Weekday Alarm CLKOUT frequency ADDRESS Timer Control REGISTER Output CLKOE pin input CLKOE HIGH Input LOW FE bit 1 0 1 0 CLKOUT pin output (C-MOS) (LOW) (LOW) (LOW) Output OFF OFF OFF /INT Output VDD - Connected to a positive power supply. GND - Connected to a ground. Interrupt output N.C. 3. CLKOE 4. VDD 20. N.C. 1. /INT 19. N.C. 2. GND 18. N.C. 3. (GND) 17. N.C. 4. N.C. 5. SDA 6. SCL 7. CLKOUT 8. VDD 9. CLKOE 5. CLKOUT 16. N.C. 6. SCL 15. N.C. 7. SDA 8. (GND) 9. GND 10. 5.4 14. N.C. 1.5Max. 13. N.C. 12. N.C. 6.00.2 /INT 11. N.C. 10. N.C. 11. N.C. 1.30.1 5.00.2 VSOJ20 pin (N-ch open drain) 4.8 N.C. 21. N.C. 20. N.C. 19. N.C. 18. N.C. 17. N.C. 16. N.C. 15. N.C. 14. N.C. 13. 12. 1. N.C. 2. N.C. 3. N.C. 4. N.C. 5. /INT 6. GND SON22 pin Low voltage detection JE,NB VLOW LC 2.8 N.C. 11. CLKOE 10. VDD 9. CLKOUT 8. SCL 7. SDA VSOJ12pin Refer to application manual for details. Current consumption characteristics Min. Typ. 1.8 3.0 VLOW 3.0 -40 +25 Max. 5.5 5.5 Unit V V +85 C Item Symbol Condition Typ. Max. VDD =5V 330 800 VDD output OFF(LOW) =3V 275 700 VDD =5V 2.5 3.4 32.768kHz output ON VDD (Output=OPEN ; =3V CL=0pF) 1.5 2.2 fSCL=0Hz IBK Condition Ta=-20C+70C Ta=-40C+85C Ta=-20C+70C Ta=-40C+85C Typ. 0.9 0.9 0.9 0.9 Max. 1.0 1.1 1.2 1.3 Unit V V V V Current Consumtion CLKOE=GND fSCL=0Hz CLKOE=VDD I32k Frequency characteristics Item Symbol Condition Rating Unit Ta=+25C Frequency 6 f/f 523* 10 tolerance VDD=3.0V * Please ask for tighter tolerance. (Equivalent to 1 minute of monthly deviation) http://www.epsontoyocom.co.jp Ta=40Cto+85C Min. Unit nA CLKOUT; Low voltage detection Item Symbol 2.4 12. Metal may be exposed on the top or bottom of this product. This will not affect any quality , reliability or electrical spec. Specifications (characteristics) Recommended Operating Conditions Item Symbol Condition Power voltage VDD Clock voltage VCLK Operating TOPR temperature 22. 3.6 N.C. 2. 1.2 Max. CLKOUT 32.768kHzclock output pin with the output control function. (C-MOS) CLKOE pin control the condition of CLKOUT with FE-bit, etc. 1. 6.3Max. Bi-directional Data input and output pin. RX8564LC RTC8564NB 0.5 Function Serial clock input pin. 7.00.3 SDA RTC8564JE 0.65 Signal Name Input/Output Input (Unitmm) Terminal connection/External dimensions 0.5 Pin Function SCL 0F Timer POR A CLKOUT;