RRRReeeeaaaallll ti ti ti time cme cme cme clllloooocccck moduk moduk moduk modulllleeee Ep EpEpEpssssoooon Tn Tn Tn Tooooyoyoyoyocococcoommmm Product Number (Please contact us) RX-4801SA : X1B000021xxxx00 RX-4801JE : X1B000041xxxx00 Built-in 32.768 kHz-DTCXO, High Stability SERIAL-INTERFACE REAL TIME CLOCK MODULE RX - 4801 SA / JE Built in frequency adjusted 32.768 kHz crystal unit and DTCXO. Interface Type : 4-wire serial interface Interface voltage range : 1.6 V to 5.5 V Temp.compensated voltage range: 2.2 V to 5.5 V Wide Timekeeper voltage range : 1.6 V to 5.5 V Actual size 32.768 kHz frequency output function : C-MOS output With Control Pin The various functions include full calendar, alarm, timer. RX-4801SA RX-4801JE Block diagram Overview High Stability UA 32.768 kHz -6 1.9 x 10 / 0 C to +40 C ( Equivalent to 5 seconds of month deviation ) 32kHz -6 3.4 x 10 / -40 C to +85 C DTCXO ( Equivalent to 9 seconds of month deviation ) UB -6 3.8 x 10 / 0 C to +50 C ( Equivalent to 10 seconds of month deviation ) -6 CLOCK 5.0 x 10 / -40 C to +85 C DIVIDER and CALENDAR ( Equivalent to 13 seconds of month deviation ) FOUT FOUT TIMER 32.768 kHz frequency output function CONTROLLER REGISTER FOE FOUT pin output (C-MOS output), CL=30 pF Output selectable < 32.768 kHz, 1024 Hz, 1 Hz > INTERRUPT ALARM / INT CONTROLLER REGISTER The various interrupt Timer Function can be set up between D I CONTROL REGISTER 1/ 4096 second and 255 minutes. DO INTERFACE and Alarm Function can be set to day of week, CIRCUIT CLK SYSTEM day, hour, or minute. CONTROLLER CE *It is possible to use it by the terminal connection as 32.768 kHz-DTCXO. Pin Function Terminal connection / External dimensions (Unit:mm) RX 4801 SA RX4801JE Signal Name I / O Function 1. / INT 20.N.C. 1.CE 14.DI / INT Output The open drain output for interrupt. 2. GND 19. N.C. GND - Connected to a ground 2.CLK 13.DO 3. T2(Vpp) 18. N.C. * Use by the manufacture for testing. 3.FOUT 12.T2(VPP) 4. DO 17. N.C. T2(VPP) - ( Do not connect externally.) 5. DI 16. N.C. 4.N.C. 11.GND DO Output The data output pin for serial data transfer. 5.0 6. CE 15. N.C. 5.4 D I input The data input pin for serial data transfer. 5.TEST 10. / INT 7. CLK 14. N.C. CE input The chip enable input pin. 8. FOUT 1.5 Max. 13. N.C. 6. VDD 9.N.C. CLK input The shift clock input pin for serial data transfer. 9. N.C. 12. N.C. 7.4 0.2 7. FOE 8. N.C. 6.0 0.2 The pin outputs the reference clock signal. 10. FOE 11. VDD FOUT Output ( CMOS output ) SOP 14 pin VSOJ 20 pin FOE input The input pin for the FOUT output control. Metal may be exposed on the top or bottom of this product. VDD - Connected to a positive power supply This will not affect any quality, reliability or electrical spec. Specifications (characteristics) Refer to application manual for details. Electrical Characteristics 32.768 kHz-DTCXO Frequency temperature characteristics (Example) Item Symbol Condition Min. Typ. Max. Unit Interface voltage VDD Interface voltage 1.6 3.0 5.5 V Frequency temperature characteristics Temp. compensated 10 VTEM Temp. compensated voltage 2.2 3.0 5.5 V Voltage 5 Clock voltage VCLK - 1.6 3.0 5.5 V 32.768 kHz DTCXO Operating temperature TOPR - 40 +25 +85 C 0 1 Ta = 0 C to +40 C 1.9 UA -5 2 Ta = -40 C to +85 C 3.4 6 Stability f / f 10 -10 3 Ta = 0 C to +50 C 3.8 UB -15 4 Ta = -40 C to +85 C 5.0 Tuning fork X tal Current consumption (1) Backup Mode -20 IBK1 VDD = 5V - 1.2 3.4 FOE = GND, A -25 /INT = VDD Current consumption (2) IBK2 VDD = 3V - 0.8 2.1 FOUT output : OFF -30 1 ) 2 ) -45 -35 -25 -15 -5 5 15 25 35 45 55 65 75 85 Equivalent to 5 seconds of month deviation. Equivalent to 9 seconds of month deviation. 3 ) 4 ) Temperature (C) Equivalent to 10 seconds of month deviation. Equivalent to 13 seconds of month deviation. X-ON Electronics Largest Supplier of Electrical and Electronic Components Click to view similar products for Real Time Clock category: Click to view products by Epson manufacturer: Other Similar products are found below : MCP79400T-IMS DS1302Z-LF MCP79402-IMS MCP7940N-IP 710029X MCP79400T-I/SN DS1683S+T&R DS1374U-33T&R DS1372U+T&R DS1308U-3+ DS1338U-18+T&R 879047C 405800G DS1341U+T&R MCP79400T-ISN DS1340U-3+T&R MCP7940NT- E/MS RX8900SA UA3 PURE SN PT7C43390LE DS1318E+T&R DS1342T+T&R PT7C4337ACSE RX8900SA UB3 PURE SN RV-3029- C2-32.768k-OPTION-B-TB-QA RV-3029-C2-32.768k-OPTION-A-TB-QA PT7C4337AWEX PT7C4563UEX PT7C4311WEX DS1374C- 33 T&R RV-3029-C3-32.768k-OPTION-A-TB-QA RV-2123-C2-32.768kHz-20PPM-TA-QC DS1308U-33+T DS1339U-3+T&R DS1339BU+T PT7C4307WEX DS1339AU+T DS1308U-18+T RX8804CE XA3 DS1341T+T&R RX-8025SA AB-RTCMC-32.768KHZ- EOZ9-S3-HAT MAX31343ETAY+ MCP79401-I/ST MCP795W20-IST MCP79400-I/ST MCP79401-I/SN MCP7940N-EMS MCP7940N- E/SN MCP795W11-IST BQ32002D