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Seiko Epson Corporation

Seiko Epson Corporation- General Purpose Integrated Circuits

Seiko Epson Corporation, commonly known as Epson, is a global technology leader headquartered in Suwa, Nagano, Japan, founded in 1942. The company's diverse operations span printing solutions, visual communications, wearables, and microdevices. Epson's Microdevices division is a key business unit that delivers semiconductor, crystal device, and sensing solutions. Its semiconductor portfolio includes the S1C33 series 32-bit and S1C17 series 16-bit ultra-low-power MCUs, along with display controllers and real-time clock ICs. The company's frequency control products, marketed under the Epson Toyocom brand, are synonymous with high quality and encompass crystal units, oscillators, and resonators. Epson also offers high-performance gyroscopic sensors and MEMS devices for industrial and IoT applications. Thanks to decades of expertise in quartz crystal technology, Epson holds a dominant global position in the frequency control components market. The company enjoys a substantial market share and serves as the primary source for many leading OEMs and distributors. Epson continues to innovate in low-power semiconductor design and precision timing, aligning with megatrends in automotive, healthcare, and smart manufacturing. Committed to the philosophy of customer first and continuous improvement, Epson strives to create sustainable, high-quality solutions that enhance society.

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General Purpose Integrated Circuits - 型号列表

54 parts in total

Voltage - Supply

Width

Length

Voltage Rating

Height

Size / Dimension

Number of Positions

Operating Temperature

Number of Pins

Programmable Features

Package Cooled

Date Format

Bus Connection

Function

Manufacturer

Voltage - Supply (Min)

Package Quantity

Dimensions - Overall

Format

Packaging

Mounting Type

Time Format

Operating Temperature - Junction

Display Units

Interface

Current - Timekeeping (Max)

Package / Case

Mfr Part #Quantity AvailablePriceMounting TypeOperating TemperatureVoltage - SupplyVoltage - Supply (Min)Package CooledNumber of PositionsBus ConnectionDate FormatTime FormatVoltage RatingWidthLengthProgrammable FeaturesPackage QuantityHeightSize / DimensionNumber of PinsFunctionRad HardenedOperating Temperature - JunctionPackagingManufacturerDisplay UnitsDimensions - OverallFormatApplicationsInterfaceCurrent - Timekeeping (Max)Package / CaseSupplier Device PackageTypeFeaturesStandard Package NameEU RoHSLead StyleLength - OverallPrinted Circuit BoardDELETEDOther NamesStandard PackageRoHSPart StatusQualificationMemory SizeVoltage - Supply, BatteryGradeSeriesDigiKey Programmable
RX-8581SA B3
RX-8581SA B3

Real Time Clock Serial 14-Pin SOP T/R

Epson Electronics America

100001: ¥11.492Surface MountIndustrial3 V1.8 VSOP14Serial (I2C)DW:DM:M:YHH:MM:SS1.85--SOP----No85CTape and Reel-----------SOICCompliantGull-wing10.114-----------
RTC-7301DG, (B)
2
RTC-7301DG, (B)

RTC-7301DG, (B), Real Time Clock, Alarm, Calendar, Clock, Timer Interrupt, Parallel, 2.4 to 5.5V, 18-Pin PDIP 实时时钟 (RTC), 警报、日历、计时器中断功能, 并行总线, 2.4 → 5.5 V电源, 18针 PDIP封装

EPSON TOYOCOM

251: ¥40.13Through Hole+85 °C5.5 V5.5 VPDIP18ParallelYY:MM:DDHH:MM:SS2.4 V6.3mm23.1mmAlarm, Calendar, Clock, Timer InterruptPDIP4.2mm23.1 x 6.3 x 4.2mm18警报、日历、计时器中断----YY:MM:DD-------------------------
RX-8581JE B 5+/-23PPM
RX-8581JE B 5+/-23PPM

RX-8581JE B 5+/-23PPM, Real Time Clock, Alarm, Calendar, Timer, I2C, 1.8 to 5.5V, 20-Pin VSOJ

EPSON TOYOCOM

18251: ¥32.1436Surface Mount+85 °C-5.5 VVSOJ20Serial-I2C--1.8 V7mm5.4mmAlarm, Calendar, Timer-1.5mm5.4 x 7 x 1.5mm--------------------------------
RX-4045SA, (AA)
6
RX-4045SA, (AA)

RX-4045SA, (AA), Real Time Clock, Calendar, Timer, Serial, 1.7 to 5.5V, 14-Pin SOP 实时时钟 (RTC), 日历、定时器功能, 串行总线, 1.7 → 5.5 V电源, 14针 SOP封装 RX-4045SA/NB (High-Stability Frequency)

EPSON TOYOCOM

5351: ¥18.04Surface Mount+85 °C1.7 V5.5 VSOP14Serial--1.7 V10.1mm5mmCalendar, TimerSOP3.2mm5 x 10.1 x 3.2mm14日历、定时器---RX-4045SA AA-10.1 × 5.0 × 3.2mmRX-4045SA:AAxSmart meter----------------------
RTC-8564JE, (B)
6
RTC-8564JE, (B)

RTC-8564JE, (B), Real Time Clock, Alarm, Calendar, Clock, Timer, I2C, 1.8 to 5.5V, 20-Pin VSOJ 实时时钟 (RTC), 警报、日历、定时器功能, I2C总线, 1.8 → 5.5 V电源, 20针 VSOJ封装 RTC-8564JE/NB (Low Current Consumption I2C-Bus Interface Real Time Clock Module)

EPSON TOYOCOM

321: ¥28.71Surface Mount+85 °C5.5 V5.5 VVSOJ20Serial-I2CDW:DM:M:YHH:MM:SS1.8 V5.4mm7mmAlarm, Calendar, Clock, TimerVSOJ--20警报、日历、定时器---RTC-8564JE BDW:DM:M:Y7.0 × 5.4 × 1.5mmRTC-8564JE:BxSmart meter----------------------
RTC-4543SA A 5+/-12PPM
2
RTC-4543SA A 5+/-12PPM

RTC-4543SA A 5+/-12PPM, Real Time Clock, Calendar, Timer, Serial, 2.5 to 5.5V, 14-Pin SOP 实时时钟 (RTC), 日历、定时器功能, 串行总线, 2.5 → 5.5 V电源, 14针 SOP封装

EPSON TOYOCOM

331: ¥24.59Surface Mount+85 °C2.5 V5.5 VSOP14Serial--2.5 V10.1mm5mmCalendar, TimerSOP3.2mm5 x 10.1 x 3.2mm14日历、定时器------------------------------
RX-4574LC B 5+/-23PPM
2
RX-4574LC B 5+/-23PPM

RX-4574LC B 5+/-23PPM, Real Time Clock, Alarm, Calendar, Timer, Serial, 1.6 to 5.5V, 12-Pin VSOJ 实时时钟 (RTC), 警报、日历、定时器功能, 串行总线, 1.6 → 5.5 V电源, 12针 VSOJ封装

EPSON TOYOCOM

2641: ¥28.70Surface Mount+85 °C1.6 V5.5 VVSOJ12Serial--1.6 V3.6mm2.4mmAlarm, Calendar, TimerVSOJ1.2mm2.4 x 3.6 x 1.2mm12警报、日历、定时器------------------------------
RTC-4543SA B 5+/-23PPM
2
RTC-4543SA B 5+/-23PPM

RTC-4543SA B 5+/-23PPM, Real Time Clock, Calendar, Clock, Serial, 2.5 to 5.5V, 14-Pin SOP 实时时钟 (RTC), 日历功能, 串行总线, 2.5 → 5.5 V电源, 14针 SOP封装

EPSON TOYOCOM

331: ¥19.50Surface Mount+85 °C5.5 V5.5 VSOP14SerialDW:DM:M:YHH:MM:SS2.5 V5mm10.1mmCalendar, ClockSOP3.15mm10.1 x 5 x 3.15mm14日历----DW:DM:M:Y-------------------------
RTC-4574SA B 5+/-23PPM
2
RTC-4574SA B 5+/-23PPM

RTC-4574SA B 5+/-23PPM, Real Time Clock, Alarm, Calendar, Timer, Serial, 1.6 to 5.5V, 14-Pin SOP 实时时钟 (RTC), 警报、日历、定时器功能, 串行总线, 1.6 → 5.5 V电源, 14针 SOP封装

EPSON TOYOCOM

101: ¥22.86Surface Mount+85 °C1.6 V5.5 VSOP14Serial--1.6 V10.1mm5mmAlarm, Calendar, TimerSOP3.2mm5 x 10.1 x 3.2mm14警报、日历、定时器------------------------------
RTC-72423A +/-20PPM
2
RTC-72423A +/-20PPM

RTC-72423A +/-20PPM, Real Time Clock, Calendar, Timer, I2C, 5V, 24-Pin SOP 实时时钟 (RTC), 日历、定时器功能, I2C总线, 4.5 → 5.5 V电源, 24针 SOP封装

EPSON TOYOCOM

101: ¥33.88Surface Mount+85 °C4.5 V5.5 VSOP24Serial-I2C--4.5 V7.9mm16.3mmCalendar, TimerSOP2.8mm16.3 x 7.9 x 2.8mm24日历、定时器------------------------------
RTC-8564NB, (B)
5
RTC-8564NB, (B)

RTC-8564NB, (B), Real Time Clock, Alarm, Calendar, Clock, Timer, I2C, 1.8 to 5.5V, 22-Pin SON RTC-8564JE/NB (Low Current Consumption I2C-Bus Interface Real Time Clock Module)

EPSON TOYOCOM

21801: ¥26.9144Surface Mount+85 °C-5.5 VSON22Serial-I2CDW:DM:M:YHH:MM:SS1.8 V4.8mm6.3mmAlarm, Calendar, Clock, Timer-1.3mm6.3 x 4.8 x 1.3mm-----RTC-8564NB B-6.3 × 4.8 × 1.3mmRTC-8564NB:BxSmart meter----------------------
RX-8025SA AA 5+/-5PPM
2
RX-8025SA AA 5+/-5PPM

RX-8025SA AA 5+/-5PPM, Real Time Clock, Alarm, Calendar, Timer, I2C, 1.7 to 5.5V, 14-Pin SOP 实时时钟 (RTC), 警报、日历、定时器功能, I2C总线, 1.7 → 5.5 V电源, 14针 SOP封装

EPSON TOYOCOM

141: ¥11.46Surface Mount+85 °C1.7 V5.5 VSOP14Serial-I2C--1.7 V10.1mm5mmAlarm, Calendar, TimerSOP3.2mm5 x 10.1 x 3.2mm14警报、日历、定时器------------------------------
RTC72421AROHS
RTC72421AROHS

Real Time Clock Parallel 18-Pin PDIP

Epson Electronics America

13571: ¥24.412Through HoleCommercial5 V4.5 VPDIP18ParallelDWHH---------No70C-----------------Compliant----------
RTC72423A3:ROHS
RTC72423A3:ROHS

Real Time Clock Parallel 24-Pin SOP T/R RTC72423A3

Epson Electronics America

37501: ¥27.404Surface MountIndustrial5 V4.5 VSOP24ParallelDWHH---------No85CTape and Reel---------------------------
RTC-72421BROHS
RTC-72421BROHS

Real Time Clock Parallel 18-Pin PDIP

Epson Electronics America

-Through HoleCommercial5 V4.5 VPDIP18ParallelDWHH---------No70C----------------------------
RTC-72423AROHS
RTC-72423AROHS

Real Time Clock Parallel 24-Pin SOP

Epson Electronics America

-Surface MountIndustrial5 V4.5 VSOP24ParallelDWHH---------No85C----------------------------
RTC-8564JEB3
RTC-8564JEB3

Real Time Clock Serial 20-Pin VSOJ T/R

Epson Electronics America

-Surface MountIndustrial3 V1.8 VVSOJ20Serial (I2C)DWHH---------No85CTape and Reel---------------------------
RX8581SAB0
RX8581SAB0

Real Time Clock Serial 14-Pin SOP T/R

Epson Electronics America

-Surface MountIndustrial3 V1.8 VSOP14Serial (I2C)DWHH---------No85CTape and Reel---------------------------
RA-4574SA:B3 PURE SN
RA-4574SA:B3 PURE SN

IC RTC CLK/CALENDAR SPI 14-SOP

EPSON

250250: ¥20.9236Surface Mount-40°C ~ 85°C1.6 V ~ 5.5 V----YY-MM-DD-ddHH:MM:SS-----------Tape & Reel (TR)-----SPI0.5µA ~ 1µA @ 3V ~ 5V14-SSOP (0.209", 5.30mm Width)14-SOPClock/CalendarAlarm, Leap Year------SER3912CT250Lead free / RoHS Compliant-------
RA-4565SA B3 PURE SN
RA-4565SA B3 PURE SN

IC RTC CLK/CALENDAR SPI 14SOP

EPSON

-Surface Mount-40°C ~ 125°C1.6V ~ 5.5V----YY-MM-DD-ddHH:MM:SS-----------Tape & Reel (TR)EPSON----SPI, 4-Wire Serial1.6µA ~ 2µA @ 3V ~ 5V14-SOIC (0.197", 5.00mm Width)14-SOPClock/CalendarAlarm, Leap Year---------ObsoleteAEC-Q200--Automotive-Not Verified
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