
For Reference Only
Part Number | RX-8731LC:B3 |
OEMstron Part # | RX-8731LC-B3 |
Manufacturer | EPSON |
Category | Semiconductors › Clock & Timer ICs › Real Time Clocks |
Description | IC RTC CALENDAR I2C 12VSOJ |
Lifecycle | Active |
RoHS | No RoHS Information |
EDA/CAD Models | RX-8731LC:B3 PCB Footprint and Symbol |
Warehouses | USA, Europe, China, Hong Kong SAR |
Estimated Delivery | Mar 17 - Mar 22 (Choose Expedited Shipping) |
Warranty | Up to 1 year [Limited-Warranty]* |
Payment | ![]() |
Shipping | ![]() |
RX-8731LC:B3 Specifications
Part Number | RX-8731LC:B3 | |
Brand | EPSON | |
Lifecycle | Active | |
RoHS | No RoHS Information | |
Product Line | Semiconductors | |
Category | Clock & Timer ICs | |
Subcategory | Real Time Clocks | |
Manufacturer | EPSON | |
Series | RX-8731LC | |
Type | Clock/Calendar | |
Features | Alarm, EEPROM, Leap Year, Unique ID | |
Memory Size | 80b | |
Time Format | HH:MM:SS (24 hr) | |
Date Format | YY-MM-DD-dd | |
Interface | I²C | |
Voltage - Supply | 1.7V ~ 5.5V | |
Voltage - Supply, Battery | - | |
Current - Timekeeping (Max) | 1.4µA ~ 1.5µA @ 3V ~ 5V | |
Operating Temperature | -40°C ~ 85°C | |
Mounting Type | Surface Mount | |
Package / Case | 12-TFSOJ (0.094", 2.40mm Width) | |
Supplier Device Package | 12-VSOJ |
RX-8731LC:B3 Documents

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Global Supply Chains - Reliable and Authorized Distributor Resources
Part Number | Description | Stock |
RX-8731LC:B3 D# V79:2366_22948620 Seiko Epson Corporation |
Real Time Clock Serial Clock/Calendar/Alarm/Timer/Interrupt 12-Pin VSOJ T/R |
Americas - 90 |
Part Number | Description | Stock |
RX-8731LC:B3 PURE SN Epson Electronics America Inc |
IC RTC CLK/CALENDAR I2C 12-VSOJ |
Contact Us |
Part Number | Description | Stock |
RX-8731LC:B3 D# RX-8731LC:B3-ND Seiko Epson Corporation |
IC RTC CALENDAR I2C 12VSOJ |
Limited Supply - Call |
RX-8731LC:B3 PURE SN D# SER3786TR-ND Seiko Epson Corporation |
IC RTC CLK/CALENDAR I2C 12-VSOJ |
Limited Supply - Call |
Part Number | Description | Stock |
RX-8731LC:B3 PURE SN D# NS-RX-8731LC:B3 PURE SN Seiko Epson Corporation |
OEM/CM ONLY |
7714 |
Part Number | Description | Stock |
RX-8731LC:B3 D# 38849130 Seiko Epson Corporation |
Real Time Clock Serial Clock/Calendar/Alarm/Timer/Interrupt 12-Pin VSOJ T/R |
Americas - 90 |
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