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Real Time Clock

Epson's wide range of Real Time Clock Modules (RTC) 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.

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型号 外部尺寸
[ mm ]		 特点 频率公差
[x10-6] 		警报器 记忆 定时器 内置电源切换 待机电流
[µA]		 电源电压
[V]		 RoHS
REACH		 Brief Sheet
应用手册		 Linux
®
Driver		 Web库存
RX6110SA B 10.1 x 7.4 x 3.3 SPI or I2C-Bus

Low
Power
Built-in
SRAM		 B : 5±23
/ +25°C		 0.13 1.1 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM40E-03)pdf 		RX6110SA B
RX6110SA A
(Custom)		 10.1 x 7.4 x 3.3 SPI or I2C-Bus

Low
Power
Built-in
SRAM		 A : 5±11.5
/ +25°C		 0.17 1.1 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM49E-01)pdf 		Contact us
RX-4035LC 3.6 x 2.4 x 1.2 SPI-Bus

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

AC : 0±5.0
/ +25°C

B : 5±23
/ +25°C		 0.4 1.0 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM36E-07)pdf 		RX-4035LC
RX-4035SA 10.1 x 7.4 x 3.3 SPI-Bus

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

AC : 0±5.0
/ +25°C

B : 5±23
/ +25°C		 0.35 1.0 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM36E-07)pdf 		RX-4035SA
RX-4045NB 6.3 x 5.2 x 1.4 SPI-Bus

High
Stability		 AA : 5±5.0
/ +25°C

AC : 0±5.0
/ +25°C		 0.48 1.15 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM01E-03)pdf 		RX-4045NB
RX-4045SA 10.1 x 7.4 x 3.3 SPI-Bus

High
Stability		 AA : 5±5.0
/ +25°C

AC : 0±5.0
/ +25°C		 0.48 1.15 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM01E-03)pdf 		RX-4045SA
RTC-4543SA 10.1 x 7.4 x 3.3 SPI-Bus

Simple
function		 B : 5±23
/ +25°C		 1 1.4 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM09E-03)pdf 		RTC-4543SA
RX-4571LC 3.6 x 2.4 x 1.2 SPI-Bus

Low
Backup
Voltage		 B : 5±23
/ +25°C		 0.32 1.0 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM18E-04)pdf 		RX-4571LC
RX-4571NB 6.3 x 5.2 x 1.4 SPI-Bus

Low
Backup
Voltage		 B : 5±23
/ +25°C		 0.32 1.0 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM20E-03)pdf 		RX-4571NB
RX-4571SA 10.1 x 7.4 x 3.3 SPI-Bus

Low
Backup
Voltage		 B : 5±23
/ +25°C		 0.32 1.0 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM21E-02)pdf 		RX-4571SA
RX-4574LC 3.6 x 2.4 x 1.2 SPI-Bus

Simple
function		 B : 5±23
/ +25°C		 0.35 1.3 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM06E-04)pdf 		RX-4574LC
RTC-4574NB 6.3 x 5.2 x 1.4 SPI-Bus

Simple
function		 B : 5±23
/ +25°C		 0.5 1.6 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM05E-04)pdf 		RTC-4574NB
RTC-4574JE 7.3 x 6.2 x 1.5 SPI-Bus

Simple
function		 B : 5±23
/ +25°C		 0.5 1.6 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM05E-04)pdf 		RTC-4574JE
RTC-4574SA 10.1 x 7.4 x 3.3 SPI-Bus

Simple
function		 B : 5±23
/ +25°C		 0.5 1.6 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM05E-04)pdf 		RTC-4574SA
RX-4581NB 6.3 x 5.2 x 1.4 SPI-Bus

Built-in
SRAM		 B : 5±23
/ +25°C		 0.4 1.6 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM02E-02)pdf 		RX-4581NB
RX-4803LC 3.6 x 2.4 x 1.2 SPI-Bus

Built-in
DTCXO		 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 1.6 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM33E-04)pdf 		RX-4803LC
RX-4803SA 10.1 x 7.4 x 3.3 SPI-Bus

Built-in
DTCXO		 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 1.6 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM33E-04)pdf 		RX-4803SA
RA-4565SA
(AEC-Q200)		 10.1 x 7.4 x 3.3 SPI-Bus

Extended
operating
temperatire
range
(to +125°C)		 B : 5±23
/ +25°C		 0.5 1.5 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM24E-02)pdf 		Contact us
RA-4574SA
(AEC-Q200)		 10.1 x 7.4 x 3.3 SPI-Bus

Simple
function		 B : 5±23
/ +25°C		 0.5 1.6 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM07E-03)pdf 		Contact us
RA4803SA
(AEC-Q200)		 10.1 x 7.4 x 3.3 SPI-Bus

Built-in
DTCXO		 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 1.6 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM38E-03)pdf 		Contact us
RX8804CE
 3.2 x 2.5 x 1.0 I2C-Bus

Built-in
DTCXO,
High
Stability		 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 1.5 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM59E-04)pdf 		RX8804CE
RX8900CE 3.2 x 2.5 x 1.0 I2C-Bus

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

UB : ±5.0
/ -40 to +85°C

UC : ±5.0
/ -30 to +70°C		 0.7 1.6 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM45E-08)pdf 		RX8900CE
RX8900SA 10.1 x 7.4 x 3.3 I2C-Bus

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

UB : ±5.0
/ -40 to +85°C

UC : ±5.0
/ -30 to +70°C
 0.7 1.6 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM45E-08)pdf 		RX8900SA
RX8130CE 3.2 x 2.5 x 1.0 I2C-Bus

Backup
battery		 B : 5±23
/ +25°C		 0.3 1.1 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM50E-06)pdf 		RX8130CE
RX8010SJ 7.0 x 6.0 x 2.65 Low
current
consumption
Built-in
SRAM		 B : 5±23
/ +25°C		 0.16 1.1 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM37E-06)pdf 		RX8010SJ
RX-8803LC 3.6 x 2.4 x 1.2 I2C-Bus

Built-in
DTCXO
High
Stabilty		 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 1.6 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM34E-06)pdf 		RX-8803LC
RX-8803SA 10.1 x 7.4 x 3.3 I2C-Bus

Built-in
DTCXO
High
Stabilty		 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 1.6 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM34E-06)pdf 		RX-8803SA
RX-8025NB 6.3 x 5.2 x 1.4 I2C-Bus

High
Stability		 AA : 5±5.0
/ +25°C

AC : 0±5.0
/ +25°C		 0.48 1.15 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM10E-04)pdf 		RX-8025NB
RX-8025SA 10.1 x 7.4 x 3.3 I2C-Bus

High
Stability		 AA : 5±5.0
/ +25°C

AC : 0±5.0
/ +25°C		 0.48 1.15 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM10E-04)pdf 		RX-8025SA
RX-8035LC 3.6 x 2.4 x 1.2 I2C-Bus

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

AC : 0±5.0
/ +25°C

B : 5±23
/ +25°C		 0.40 1.0 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM35E-11)pdf 		RX-8035LC
RX-8035SA 10.1 x 7.4 x 3.3 I2C-Bus

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

AC : 0±5.0
/ +25°C

B : 5±23
/ +25°C		 0.35 1.0 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM35E-11)pdf 		RX-8035SA
RX-8564LC 3.6 x 2.4 x 1.2 I2C-Bus

Low
current
consumption		 B : 5±23
/ +25°C		 0.275 1.3 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM12E-04)pdf 		RX-8564LC
RTC-8564NB 6.3 x 5.2 x 1.4 Low
current
consumption		 B : 5±23
/ +25°C		 0.275 1.1 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM11E-05)pdf 		RTC-8564NB
RTC-8564JE 7.3 x 6.2 x 1.5 I2C-Bus

Low
current
consumption		 B : 5±23
/ +25°C		 0.275 1.1 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM11E-05)pdf 		RTC-8564JE
RX-8571LC 3.6 x 2.4 x 1.2 I2C-Bus

Low
current
consumption
Built-in
SRAM
Long-running
timer
(65535hours)		 B : 5±23
/ +25°C		 0.22 1.3 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM28E-02)pdf 		RX-8571LC
RX-8571NB 6.3 x 5.2 x 1.4 Low
current
consumption
Built-in
SRAM
Long-running
timer
(65535hours)		 B : 5±23
/ +25°C		 0.22 1.3 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM29E-02)pdf 		RX-8571NB
RX-8571SA 10.1 x 7.4 x 3.3 Low
current
consumption
Built-in
SRAM
Long-running
timer
(65535hours)		 B : 5±23
/ +25°C		 0.22 1.3 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM30E-02)pdf 		RX-8571SA
RX-8581NB 6.3 x 5.2 x 1.4 I2C-Bus

Simple
function		 B : 5±23
/ +25°C		 0.45 1.6 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM13E-04)pdf 		RX-8581NB
RX-8581JE 7.3 x 6.2 x 1.5 I2C-Bus

Simple
function		 B : 5±23
/ +25°C		 0.45 1.6 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM13E-04)pdf 		RX-8581JE
RX-8581SA 10.1 x 7.4 x 3.3 I2C-Bus

Simple
function		 B : 5±23
/ +25°C		 0.45 1.6 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM13E-04)pdf 		RX-8581SA
RX-8731LC 3.6 x 2.4 x 1.2 I2C-Bus

Unique
ID-ROM
Built-in
EEPROM		 B : 5±23
/ +25°C		 0.35 1.3 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM23E-04)pdf 		RX-8731LC
RA8804CE
(AEC-Q100)		 3.2 x 2.5 x 1.0 I2C-Bus

Built-in
DTCXO,
High
Stability		 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 1.5 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM60E-02)pdf 		Contact us
RA8900CE
(AEC-Q200)		 3.2 x 2.5 x 1.0 I2C-Bus

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

UB : ±5.0
/ -40 to +85°C

UC : ±5.0
/ -30 to +70°C		 0.7 1.6 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM44E-07) pdf 		Contact us
RA8803SA
(AEC-Q200)		 10.1 x 7.4 x 3.3 I2C-Bus

Built-in
DTCXO,
High
Stability		 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 1.6 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM39E-03)pdf 		Contact us
RA-8565SA
(AEC-Q200)		 10.1 x 7.4 x 3.3 I2C-Bus

Extended
operating
temperatire
range
(to +125°C)		 B : 5±23
/ +25°C		 0.55 1.7 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM22E-01)pdf 		Contact us
RA-8581SA
(AEC-Q200)		 10.1 x 7.4 x 3.3 I2C-Bus

Simple
function		 B : 5±23
/ +25°C		 0.45 1.6 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM14E-03)pdf 		Contact us
RTC-72423 16.3 x 7.9 x 2.8 Parallel

4-bit
Simple
function		 A : ±20
/ +25°C

B : ±50
/ +25°C		 0.9 2.0 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM17E-02)pdf 		RTC-72423
RTC-7301SF 10.2 x 5.4 x 2.0 Parallel

Built-in
Temperature
Sensor		 B : 5±23
/ +25°C		 0.6 1.6 to 5.5 RoHSpdf REACHpdf BriefSheet
pdf AppManual
(ETM15E-05)pdf 		RTC-7301SF