RRRReeeeaaaallll ttttiiiimmmmeeee cccclllloooocccckkkk mmmmoooodddduuuulllleeee EEEEppppssssoooonnnn TTTTooooyyyyooooccccoooommmm Product Number (Please contact us) RX-4801SA : X1B000021xxxx00 Built-in 32.768 kHz-DTCXO, High Stability RX-4801JE : X1B000041xxxx00 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 •32.768 kHz frequency output function : C-MOS output With Control Pin Actual size •The various functions include full calendar, alarm, timer. RX-4801SA RX-4801JE Block diagram Overview • High Stability •UA 32.768 kHz ± 1.9 x 10-6 / 0 ºC to +40 ºC ( Equivalent to 5 seconds of month deviation ) 32kHz ± 3.4 x 10-6 / -40 ºC to +85 ºC DTCXO ( Equivalent to 9 seconds of month deviation ) •UB ± 3.8 x 10-6 / 0 ºC to +50 ºC ( Equivalent to 10 seconds of month deviation ) CLOCK ± 5.0 x 10-6 / -40 ºC to +85 ºC DIVIDER and CALENDAR ( Equivalent to 13 seconds of month deviation ) FOUT F OUT T IMER • 32.768 kHz frequency output function FOE CONTROLLER REGISTER • FOUT pin output (C-MOS output), CL=30 pF • Output selectable INTERRUPT A LARM < 32.768 kHz, 1024 Hz, 1 Hz > / INT CONTROLLER REGISTER • The various interrupt DDO I INTERFACE C ONRTEaRnGOdI SL TER •• TA1ilm/a 4rem0r9 FF6uu snnecccttiiooonnnd cc aaannnd bb 2ee5 ss5ee mtt utiopn u dbtaeeystw .o ef ewne ek, CLK CIRCUIT 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) Signal Name I / O Function RX − 4801 SA RX−4801JE TG/2 I(NNVDTPP ) Ou--tp ut T* C (hUo Dens oneo e pnbceoytne tt dchd oertona m ninaea ogcnturu oetfpuaxunctettd urf onrera liflnoyt.re) trerustpint.g . 123... FCCOELK U T 1.27 ± 10.1 0.2 111432... TDD2OI ( VPP) 1234.... /GTD I2ONN(V DT pp) 0.65 7.0 ± 0.3 12118097.... NNNN....CCCC.... 5. DI 16. N.C. DO Output The data output pin for serial data transfer. 4. N.C. 11. GND D I input The data input pin for serial data transfer. 5. TEST 5.0 10. / INT 67.. CCELK 5.4 1145.. NN..CC.. CCLEK iinnppuutt TThhee cshhiipft ecnloacbkl ein ipnuptu pt ipni nfo. r serial data transfer. 6. VDD 3.2 ± 0.1 9. N.C. 89.. FNO.CU. T 1.5 Max. 1123.. NN..CC.. FFOOUET Oinuptpuut t T T(hh Cee MpiniOnp uSot u optupintup ftuost r t )ht hee r eFfOerUeTn coeu tcplouct kc osnigtrnoal.l . 7. FOE SOP7. 4− ± 10 .42 pin 8. N.C. 10. FOE VSOJ 6−.0 2 ±0 0 .p2 in 11. VDD 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. (cid:132) Electrical Characteristics (cid:132)(cid:132) (cid:132)(cid:132) 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 T eVmoltpa.g ceo mpensated VTEM Temp. compensated voltage 2.2 3.0 5.5 V 10 COSC tlupaorebcrreiklain ttvyiton clgtoa tngesemu mpeprtaiotunr e(1 ) ∆VTIB OCfK PL/1K R f BFUUOaABcE k u=p G MTTTTNaaaaoD =d===,e -- 4004--0 0 ºº CCººCC tt oo tto Vo++ D++45D8008 =5 5ºº CCº5ºCC V −14.-6 0 ±±±±3513+31....24980..025 ∗∗∗∗ 1234 +538..545 × 1µºV0CA − 6 -6 Frequency tolerance ( ×10) ---211-050505 32.768 kHz DTCXO Tuning fork X'tal Current consumption (2) IBK2 F/OINUTT = o VutDpDu t : OFF VDD = 3V - 0.8 2.1 -25 ∗1 ) Equivalent to 5 seconds of month deviation. ∗2 ) Equivalent to 9 seconds of month deviation. -30-45 -35 -25 -15 -5 5 15 25 35 45 55 65 75 85 ∗3 ) Equivalent to 10 seconds of month deviation. ∗4 ) Equivalent to 13 seconds of month deviation. Temperature (ºC) http://www.epsontoyocom.co.jp