Real time clock module 4-bit REAL TIME CLOCK MODULE RTC-7301SF/DG Product number (please refer to page 2) Q42 7 3 0 1 8 x 0 0 0 2 0 0 Q42 7 3 0 1 1 x 0 0 0 2 0 0 • Built-in crystal oscillator 32.768 kHz with frequency adjusted • Frequency selectable clock output (32.768 kHz to 1/30 Hz) • Built-in 30 second adjustment function, digital pace adjustment function (Max. adjustment: ±192 x 10-6) • Built-in alarm and timer interrupt functions. • Built-in semiconductor temperature sensor (Voltage output: -7.8 mV / °C, RTC-7301SF) • Operating voltage range:2.4 V to 5.5 V, time keeping voltage range: 1.6 V to 5.5 V • Low current consumption (0.6 µA / 3 V Typ.) • High speed parallel interface compatible with SRAM RTC-7301SF RTC-7301DG Actual size The details are mentioned in the application manual. http://www.epsondevice.com Specifications (characteristics) Absolute Max. ratings GND=0V Condition Symbol Min. Max. VDD to GND VDD -0.3 + 7.0 VIN Input terminal,D0 to D3 pins GND -0.3 VDD+ 0.3 VOUT1 GND -0.3 + 8.0 IRQ pin VOUT2 FOUT, D0-D3 pins, VTEMP pin GND -0.3 VDD+ 0.3 TSTG Stored as bare product after unpacking +125 -55 Item Supply voltage Input voltage Output voltage(1) Output voltage(2) Storage temperature Operating conditions Item Symbol Unit #13 #1 #12 °C Min. Max. Unit Power voltage Clock voltage VDD 2.4 5.5 V VCLK 1.6 5.5 V Operating temperature TOPR - 40 + 85 °C No condensation #24 V GND=0V Condition Terminal connection RTC-7301SF RTC-7301DG #18 #10 Frequency characteristics Symbol Condition Frequency precision ∆f/fo Oscillation start-up time tSTA Frequency voltage f/V characteristics Aging fa Ta=+25 °C, VDD= 3.0 V 5 ± 23 ∗ x 10 Ta=+25 °C, VDD= 2.4 V Ta=-10 °C to +70 °C, VDD= 3.0 V Ta=+25 °C, VDD= 1.6 V to 5.5V Ta=+25 °C, VDD= 3.0 V 3 Max. s +10/-120 x 10-6 ±2 x 10 /V ±5 x 10-6/year #1 #9 Item Current consumption (When non-accessed) FOUT =Output OFF VTEMP =Output OFF Symbol IDD1 -6 R7301 E 123 4A Min. Typ. Max. Unit CS0,RD,WR=VDD VDD= 5 V A0-A3,CS1=GND D0-D3,IRQ=Hi-z FOUT=Hi-z(OFF) — 1.0 2.0 µA — 0.6 1.0 µA Response time IRQ A0 A1 A2 A3 RD GND (Unit: mm) 2.0 Max. Ta= +25 °C, GND based output voltage V 1.470 VTEMP pins, VDD=2.7 V to 5.5 V TACR Ta= +25 °C, VDD=2.7 V to 5.5 V ±5.0 °C -40 °C ≤ Ta ≤ +85 °C, VSE -7.3 -7.8 -8.3 mV/°C VDD=2.7 V to 5.5 V ∆NL -40 °C ≤ Ta ≤ +85 °C, VDD=2.7 V to 5.5 V ±2.0 % TSOP ∆NL ≤ ± 2.0 %, VDD=2.7 V to 5.5 V -40 +85 °C Ta= +25 °C, VTEMP pins, VDD=2.7 V to R0 1.0 3.0 kΩ 5.5 V GND standard and VDD standard CL VDD=2.7 V to 5.5 V 100 pF RL VDD=2.7 V to 5.5 V 500 kΩ tRSP VDD=3.3 V CL=50 pF, RL= 500 kΩ, Max. ±1 °C 200 µs VTEMP Note)There is no temperature sensor function on the RTC-7301DG. 0 Min. 0.5 0.15 0° to 10° Metal may be exposed on the top or bottom of this product. This won't affect any quality, reliability or electrical spec. RTC-7301DG(DIP 18-pin) 23.1 Max. RTC7301 E 123 4A 7.62 0.2 Min. GND=0 V,Ta= - 40 °C to + 85 °C Min. Typ. Max. Unit 6.3 Condition 0.36 4.2 Temperature sensor characteristics Load condition Pin terminal VDD (VDD) (VDD) CS1 D0 D1 D2 D3 WR GND=0 V,VDD=1.6 V to 5.5 V,Ta= - 40 °C to + 85 °C Condition 0.8 91 No. 18 17 16 15 14 13 12 11 10 CS 0 FOUT RTC-7301SF(SSOP 24-pin) standards for the VTEMP pin within the conditions described above do not apply. Output resistance Pin terminal 10.5 Max. IDD2 VDD= 3 V VTEMP=Hi-z(OFF) Symbol No. 1 2 3 4 5 6 7 8 9 External dimensions Note)There is no VTEMP pin on the RTC-7301DG so Item Temperature output voltage Output precision Temperature sensitivity Linearity Temperature detection range Pin terminal VDD (VDD) (VDD) (VDD) (VDD) (VDD) CS1 D0 D1 D2 D3 WR (VDD) and VDD are to have the same level of voltage. Do not connect it to any external terminals. ∗ Please ask tighter tolerance DC characteristics No. 24 23 22 21 20 19 18 17 16 15 14 13 -6 5.4 TOP characteristics Unit Pin terminal CS 0 FCON FOUT VTEMP (VDD) IRQ A0 A1 A2 A3 RD GND 8.1 Max. Frequency temperature Range 0.25 90° to 105° 2.54 0.46 2.54 Min. Item No. 1 2 3 4 5 6 7 8 9 10 11 12 Real time clock module 8 4 2 1 0 10 second digit AE 40 20 10 1 bit 2 bit 0 1 second digit 1 bit 1 0 10 bit 2 Address 1 20 bit 3 bit 0 2 40 bit 1 4 FOS Register bit 2 8 10 second digit bit 3 Address 1 second digit 1 Register bit 1 0 bit 3 bit 0 Address Register table Bank0 Clock and calendar registers Bank1 Alarms and FOUT registers Bank2 Digital offset and timer registers DT3 DT2 DT1 DT0 DT_ON DT6 DT5 DT4 Registers Digital offset 2 1 minute digit 8 4 2 1 2 1 minute digit 8 4 2 1 2 — o o o o 3 10 minute digit o 40 20 10 3 10 minute digit AE 40 20 10 3 — o o o o 4 1hour digit 8 4 2 1 4 1hour digit 8 4 2 1 4 Timer counter 8 4 2 1 5 10 hour digit o o 20 10 5 10 hour digit AE • 20 10 5 preset value 128 64 32 16 6 Day digit o 4 2 1 6 Day digit AE 4 2 1 6 Timer counter 8 4 2 1 7 1 day digit 8 4 2 1 7 1 day digit 8 4 2 1 7 data 128 64 32 16 8 10 day digit o o 20 10 8 10 day digit AE • 20 10 8 Timer settings TE TI/TP TD1 TD0 9 1 month digit 8 4 2 1 9 — • • • • 9 — o o o o A 10 month digit o o o 10 A — • • • • A — o o o o B 1 year digit 8 4 2 1 B • • B — o o o o C 10 year digit 80 40 20 10 C FOUT divider ratio setting register — o o o o 800 400 200 o o 100 D FOUT divider ratio setting register TEST TEMP 2000 1000 E Alarm control Control registers Bank Sel 1 Bank Sel 0 STOP BUSY/ADJ F D 100 year digit E 1000 year digit F CS1 Controller CTEMP CDT_ON Reading data o FD2 FD1 FD0 C FE o FD4 FD3 D — AF AIE E Timer control F Control register TEST TEMP Control register Bank Sel 1 Bank Sel 0 STOP BUSY/ADJ TEST TEMP o o TF TIE Bank Sel 1 Bank Sel 0 STOP BUSY/ADJ AC characteristics tRC •GND=0 V, Ta= -40 °C to + 85 °C •Input conditions: VI= 0.5 x VDD, VO= 0.5 x VDD •Output load: CL= 100 pF (tACC,tACS,tARD) A0 to A3 CS0 tCHZ tCLZ tACS CS1 tCLZ tCHZ tARD RD tOHZ tOLZ D0 to D3 Writing data (CS Control) tWC A0 to A3 tAW tWR tCW CS0 tAS tRC Read cycle time Address access time CE access time RD access time CE output set time CE output floating RD output set time RD output floating Output hold time Write cycle time Chip select time Address valid end of write Address setup time Address hold time Write pulse width Input data set time Input data hold time tACC tACS tARD tCLZ tCHZ tOLZ tOHZ tOH tWC tCW tAW tAS tWR tWP tDW tDH FOUT output frequency duty CS1 DUTY Block diagram WR tDW OSC Writing data (WR Control) VTEMP *1 FOUT= 32.768 kHz Max. — 150 150 100 — 60 — 60 — — — — — — — — — Min. 85 — — — 3 — 3 — 5 85 70 70 0 0 65 35 0 Max. — 85 85 45 — 30 — 30 — — — — — — — — — 40 60 40 60 FCON*2 7301SF Unit ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns % Control line DIVIDER Temperature Sensor *1 FOUT twC — — — — — — — — — — — — — — — — — Min. 150 — — — 5 — 5 — 10 150 140 140 0 0 130 80 0 32.768 kHz tDH D0 to D3 Degital Trimming REGISTER FOUT CONTROLLER CLOCK and CALENDAR INTERRUPTS CONTROLLER TIMER REGISTER 7301DG A0 to A3 tAW tWR CS0 IRQ A0 to A3 D0 to D3 WR RD tAS CS1 CS0 tWP ALARM REGISTER BUS INTERFACE CIRCUIT CONTROL REGISTER and SYSTEM CONTROLLER CS1 WR tDW D0 to D3 VDD=2.4 to 3.6 V VDD=4.5 to 5.5 V Symbol Condition Item tOH tACC tACS tDH *This is a block diagram for RTC-7301SF. Be aware that RTC-7301DG differs according to the following 2 points. *1)The VTEMP output is not connected to an external pin. *2)The FCON input pin is not connected to an external pin, but is fixed at "H" internally. 92