RTC-7301DG
RTC-7301DG is 4-bit REAL TIME CLOCK MODULE manufactured by Epson Company.
..
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 k Hz with frequency adjusted
- Frequency selectable clock output (32.768 k Hz 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 m V / °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 patible with SRAM
The details are mentioned in the application manual. http://.epsondevice.
RTC-7301SF
Actual size
Specifications (characteristics) Absolute Max. ratings
Item Supply voltage Input voltage Output voltage(1) Output voltage(2) Storage temperature 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
GND=0V Unit
Terminal connection RTC-7301SF
#24 #13
°C
#1 #12
Operating conditions
Item Symbol VDD VCLK TOPR Condition
GND=0V
No. 1 2 3 4 5 6 7 8 9 10 11 12
Pin terminal CS 0 FCON FOUT VTEMP (VDD) IRQ A0 A1 A2 A3 RD GND
No. 24 23 22 21 20 19 18 17 16 15 14 13
Pin terminal VDD (VDD) (VDD) (VDD) (VDD) (VDD) CS1 D0 D1 D2 D3 WR
Min.
2.4 1.6
Max.
5.5 5.5 + 85
Unit V V °C
#18
Power voltage Clock voltage
Operating temperature
#10...
