RTC Modules

Epson's wide range of RTC modules with built-in XTAL save power, provide superior accuracy, and simplify system design. Thanks to a rich set of optional functions, such as alarms and time stamps, RTCs can cover multiple additional tasks beside the time keeping.


Recommended Products

Model Size
[ mm ]
Feature Voltage Range
[V]
Frequency tolerance
[x10-6]
Back up Current
[µA]
Power Switching Time stamp Memory RoHS
REACH
China RoHS
California Proposition 65
TSCA PBT
Halogen Free
Brief Sheet
Application manual
Linux
®
Driver
Inventory
1 RX8901CE
3.2 x 2.5 x 1.0 I2C-Bus,
Built-in DTCXO,
High Stability,
32 time stamps
1.1 to 5.5 XS : ±3.0 / -40 to +85°C
±5.0 / +85 to +105°C,
XB : ±5.0 / -40 to +85°C
±8.0 / +85 to +105°C
0.24 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
RX8901CE
1 RX4901CE
3.2 x 2.5 x 1.0 SPI-Bus,
Built-in DTCXO,
High Stability,
32 time stamps
1.1 to 5.5 XS : ±3.0 / -40 to +85°C
±5.0 / +85 to +105°C,
XB : ±5.0 / -40 to +85°C
±8.0 / +85 to +105°C
0.24 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
RX4901CE
1 RA8000CE
(AEC-Q100)
3.2 x 2.5 x 1.0 I2C-Bus,
Built-in DTCXO,
High Stability,
Extended operating temperatire range (to +125°C)
1.3 to 5.5 YB : ±5.0 / -40 to +85°C
±8.0 / +85 to +105°C,
±50.0 / +105 to +125°C
0.3 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
Contact us
1 RA4000CE
(AEC-Q100)
3.2 x 2.5 x 1.0 SPI-Bus,
Built-in DTCXO,
High Stability,
Extended operating temperatire range (to +125°C)
1.3 to 5.5 YB : ±5.0 / -40 to +85°C
±8.0 / +85 to +105°C,
±50.0 / +105 to +125°C
0.3 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
Contact us
1 RX8111CE
3.2 x 2.5 x 1.0 I2C-Bus,
Low Power,
8 time stamps
1.1 to 5.5 A : ±11.5 / +25°C

B : ±23.0 / +25°C
0.1 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
RX8111CE
1 RX4111CE
3.2 x 2.5 x 1.0 SPI-Bus,
Low Power,
8 time stamps
1.1 to 5.5 A : ±11.5 / +25°C

B : ±23.0 / +25°C
0.1 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
RX4111CE
1 RX8804CE
3.2 x 2.5 x 1.0 I2C-Bus

Built-in
DTCXO,
High
Stability
1.5 to 5.5 XA :
±3.4 / -40 to +85°C
±8.0 / +85 to +105°C

XB :
±5.0 / -40 to +85°C
±8.0 / +85 to +105°C

0.35 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
RX8804CE
1 RA8804CE
(AEC-Q100)
3.2 x 2.5 x 1.0 I2C-Bus

Built-in
DTCXO,
High
Stability
1.5 to 5.5 XA :
±3.4 / -40 to +85°C
±8.0 / +85 to +105°C

XB :
±5.0 / -40 to +85°C
±8.0 / +85 to +105°C

0.35 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
Contact us
1 RX8130CE 3.2 x 2.5 x 1.0 I2C-Bus

Backup
battery
charge
control,
Delay with
reset output
1.1 to 5.5 B : 5±23
/ +25°C
0.3 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
RX8130CE
1 RX8900CE 3.2 x 2.5 x 1.0 I2C-Bus

Built-in
DTCXO,
High
Stability
1.6 to 5.5 UA : ±3.4
/ -40 to +85°C

UB : ±5.0
/ -40 to +85°C

UC : ±5.0
/ -30 to +70°C
0.7 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
RX8900CE
1 RA8900CE
(AEC-Q200)
3.2 x 2.5 x 1.0 I2C-Bus

Built-in
DTCXO,
High
Stability
1.6 to 5.5 UA : ±3.4
/ -40 to +85°C

UB : ±5.0
/ -40 to +85°C

UC : ±5.0
/ -30 to +70°C
0.7 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
Contact us
z RX6110SA B 10.1 x 7.4 x 3.3 SPI or I2C-Bus

Low
Power
Built-in
SRAM
1.1 to 5.5 B : 5±23
/ +25°C
0.13 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
RX6110SA B
z RA4803SA
(AEC-Q200)
10.1 x 7.4 x 3.3 SPI-Bus

Built-in
DTCXO
1.6 to 5.5 UA : ±3.4
/ -40 to +85°C

UB : ±5.0
/ -40 to +85°C

UC : ±5.0
/ -30 to +70°C

AA : 5±5.0
/ +25°C
0.75 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
Contact us
z RX8900SA 10.1 x 7.4 x 3.3 I2C-Bus

Built-in
DTCXO,
High
Stability
1.6 to 5.5 UA : ±3.4
/ -40 to +85°C

UB : ±5.0
/ -40 to +85°C

UC : ±5.0
/ -30 to +70°C
0.7 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
RX8900SA
z RX6110SA A
(Custom)
10.1 x 7.4 x 3.3 SPI or I2C-Bus

Low
Power
Built-in
SRAM
1.1 to 5.5 A : 5±11.5
/ +25°C
0.17 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
Contact us
z RX-4035LC 3.6 x 2.4 x 1.2 SPI-Bus

High
Stability
Built-in
Timestamp
1.0 to 5.5 AA : 5±5.0
/ +25°C

AC : 0±5.0
/ +25°C

B : 5±23
/ +25°C
0.4 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
RX-4035LC
z RX-4035SA 10.1 x 7.4 x 3.3 SPI-Bus

High
Stability
Built-in
Timestamp
1.0 to 5.5 AA : 5±5.0
/ +25°C

AC : 0±5.0
/ +25°C

B : 5±23
/ +25°C
0.35 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
RX-4035SA
z RX-4045NB 6.3 x 5.2 x 1.4 SPI-Bus

High
Stability
1.15 to 5.5 AA : 5±5.0
/ +25°C

AC : 0±5.0
/ +25°C
0.48 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
RX-4045NB
z RX-4045SA 10.1 x 7.4 x 3.3 SPI-Bus

High
Stability
1.15 to 5.5 AA : 5±5.0
/ +25°C

AC : 0±5.0
/ +25°C
0.48 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
RX-4045SA
z RX-4571LC 3.6 x 2.4 x 1.2 SPI-Bus

Low
Backup
Voltage
1.0 to 5.5 B : 5±23
/ +25°C
0.32 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
RX-4571LC
z RX-4571NB 6.3 x 5.2 x 1.4 SPI-Bus

Low
Backup
Voltage
1.0 to 5.5 B : 5±23
/ +25°C
0.32 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
RX-4571NB
z RX-4571SA 10.1 x 7.4 x 3.3 SPI-Bus

Low
Backup
Voltage
1.0 to 5.5 B : 5±23
/ +25°C
0.32 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
RX-4571SA
z RX-4803LC 3.6 x 2.4 x 1.2 SPI-Bus

Built-in
DTCXO
1.6 to 5.5 UA : ±3.4
/ -40 to +85°C

UB : ±5.0
/ -40 to +85°C

UC : ±5.0
/ -30 to +70°C

AA : 5±5.0
/ +25°C
0.75 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
RX-4803LC
z RX-4803SA 10.1 x 7.4 x 3.3 SPI-Bus

Built-in
DTCXO
1.6 to 5.5 UA : ±3.4
/ -40 to +85°C

UB : ±5.0
/ -40 to +85°C

UC : ±5.0
/ -30 to +70°C

AA : 5±5.0
/ +25°C
0.75 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
RX-4803SA
z RA-4565SA
(AEC-Q200)
10.1 x 7.4 x 3.3 SPI-Bus

Extended
operating
temperatire
range
(to +125°C)
1.5 to 5.5 B : 5±23
/ +25°C
0.5 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
Contact us
1 RX8010SJ 7.0 x 6.0 x 2.65 Low
current
consumption
Built-in
SRAM
1.1 to 5.5 B : 5±23
/ +25°C
0.16 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
RX8010SJ
z RX-8803LC 3.6 x 2.4 x 1.2 I2C-Bus

Built-in
DTCXO
High
Stabilty
1.6 to 5.5 UA : ±3.4
/ -40 to +85°C

UB : ±5.0
/ -40 to +85°C

UC : ±5.0
/ -30 to +70°C

AA : 5±5.0
/ +25°C
0.75 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
RX-8803LC
z RX-8803SA 10.1 x 7.4 x 3.3 I2C-Bus

Built-in
DTCXO
High
Stabilty
1.6 to 5.5 UA : ±3.4
/ -40 to +85°C

UB : ±5.0
/ -40 to +85°C

UC : ±5.0
/ -30 to +70°C

AA : 5±5.0
/ +25°C
0.75 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
RX-8803SA
z RX-8025NB 6.3 x 5.2 x 1.4 I2C-Bus

High
Stability
1.15 to 5.5 AA : 5±5.0
/ +25°C

AC : 0±5.0
/ +25°C
0.48 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
RX-8025NB
z RX-8025SA 10.1 x 7.4 x 3.3 I2C-Bus

High
Stability
1.15 to 5.5 AA : 5±5.0
/ +25°C

AC : 0±5.0
/ +25°C
0.48 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
RX-8025SA
z RX-8035LC 3.6 x 2.4 x 1.2 I2C-Bus

High
Stability
Built-in
Timestamp
1.0 to 5.5 AA : 5±5.0
/ +25°C

AC : 0±5.0
/ +25°C

B : 5±23
/ +25°C
0.40 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
RX-8035LC
z RX-8035SA 10.1 x 7.4 x 3.3 I2C-Bus

High
Stability
Built-in
Timestamp
1.0 to 5.5 AA : 5±5.0
/ +25°C

AC : 0±5.0
/ +25°C

B : 5±23
/ +25°C
0.35 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
RX-8035SA
z RX-8564LC 3.6 x 2.4 x 1.2 I2C-Bus

Low
current
consumption
1.3 to 5.5 B : 5±23
/ +25°C
0.275 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
RX-8564LC
z RTC-8564NB 6.3 x 5.2 x 1.4 Low
current
consumption
1.1 to 5.5 B : 5±23
/ +25°C
0.275 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
RTC-8564NB
z RTC-8564JE 7.3 x 6.2 x 1.5 I2C-Bus

Low
current
consumption
1.1 to 5.5 B : 5±23
/ +25°C
0.275 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
RTC-8564JE
z RX-8571LC 3.6 x 2.4 x 1.2 I2C-Bus

Low
current
consumption
Built-in
SRAM
1.3 to 5.5 B : 5±23
/ +25°C
0.22 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
RX-8571LC
z RX-8571NB 6.3 x 5.2 x 1.4 Low
current
consumption
Built-in
SRAM
Long-running
timer
(65535hours)
1.3 to 5.5 B : 5±23
/ +25°C
0.22 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
RX-8571NB
z RX-8571SA 10.1 x 7.4 x 3.3 Low
current
consumption
Built-in
SRAM
1.3 to 5.5 B : 5±23
/ +25°C
0.22 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
RX-8571SA
z RX-8731LC 3.6 x 2.4 x 1.2 I2C-Bus

Unique
ID-ROM
Built-in
EEPROM
1.3 to 5.5 B : 5±23
/ +25°C
0.35 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
RX-8731LC
z RA8803SA
(AEC-Q200)
10.1 x 7.4 x 3.3 I2C-Bus

Built-in
DTCXO,
High
Stability
1.6 to 5.5 UA : ±3.4
/ -40 to +85°C

UB : ±5.0
/ -40 to +85°C

UC : ±5.0
/ -30 to +70°C

AA : 5±5.0
/ +25°C
0.75 RoHSpdf REACHpdf China RoHS
pdf
California Proposition 65
pdf
TSCA PBT
pdf
Halogen Free
pdf
BriefSheet
pdf
AppManual
pdf
Contact us