EN
  • EN
  • DE
loading
Mfr. Part No. Qty. Price

No items in the cart

View Cart
Same model may have multiple batches, images only for reference.
R2045S-E2-F Ricoh
Same model may have multiple batches, images only for reference.

R2045S-E2-F

Part No R2045S-E2-F
Manufacturer Ricoh
Catalog Clock/Timing - Real Time Clocks
Description R2045S - 4-wire Serial Interface
Sample
Rohs State rohs
ECAD Module
Need Help

Products specifications Report Issue?

Category Integrated Circuits (ICs) - Clock/Timing - Real Time Clocks
Mfr Ricoh
Series R2045S
Package Bulk
Product Status Obsolete
Type Clock/Calendar
Features Alarm, Leap Year
Date Format YY-MM-DD-dd
Interface 3-Wire Serial, 4-Wire Serial
Voltage - Supply 1.7V ~ 5.5V
Current - Timekeeping (Max) 1.2µA ~ 1.8µA @ 3V ~ 5V
Temperature Range - Operating -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 14-SOIC (0.209", 5.30mm Width)
Supplier Device Package 14-SOP
Standard Package 96 pcs
Win Source Part Number 287846-R2045S-E2-F
Ultra Librarian 3D Model Ultra Librarian R2045S-E2-F CAD Model

Description

The R2045S is a clock/calendar integrated circuit (IC) with real-time clock functionality.

  • Application: Accurate Timekeeping (e.g., Alarm Systems)
  • Interface: 3-wire or 4-wire Serial
  • Date Format: YY-MM-DD-dd
  • Voltage Supply Range: 1.7V to 5.5V
  • Timekeeping Current: 1.2μA to 1.8μA
  • Operating Temperature Range: -40°C to 85°C
  • Mounting Type: Surface Mountable
  • Package: 14-SOIC
  • Product Status: Obsolete

You May Also Be Interested in

Picture of MAX31342EWA+T
MAX31342EWA+T
Maxim Integrated
IC RTC CLK/CALENDAR I2C 8WLP
Lowest to $10.1866
Picture of DS1338Z-33-+TR
DS1338Z-33-+TR
Analog Devices Inc.
Real Time Clock I C RTC with 56-Byte NV RAM
Lowest to $1.2499
PCF8563T/5,518 NXP
PCF8563T/5,518
NXP / Nexperia
Real Time Clock Binary I2C 1-5V RTC IC
Lowest to $0.4245
Picture of RTC-4543SA:A3:PURE SN
RTC-4543SA:A3:PURE SN
Epson Electronics America Inc-Semiconductor Div
IC RTC CLK/CALENDAR SER 14SOP
Need more? Email Us
RV-8263-C7-32.768KHZ-20PPM-TA-QC Micro Crystal AG
RV-8263-C7-32.768KHZ-20PPM-TA-QC
Micro Crystal AG
IC RTC CLK/CALENDAR I2C 8SON / Real Time Clock (RTC) IC Clock/Calendar 1B I²C, 2-Wire Serial 8-WCDFN
Lowest to $1.3504
PCF85063BTL/1,118 NXP
PCF85063BTL/1,118
NXP / Nexperia
IC RTC CLK/CALENDAR SPI 10DFN / Real Time Clock (RTC) IC Clock/Calendar SPI 10-XFDFN Exposed Pad
Lowest to $1.3524
Picture of RV-8803-C7-32.768KHZ-3PPM-TA-QC
RV-8803-C7-32.768KHZ-3PPM-TA-QC
Micro Crystal AG
IC RTC CLK/CALENDAR I2C 8SON / Real Time Clock (RTC) IC Clock/Calendar 1B I²C, 2-Wire Serial 8-WCDFN
Lowest to $3.0098
Picture of DS1374U-3+
DS1374U-3+
Maxim Integrated
IC RTC BINARY COUNTER I2C 10UMAX / Real Time Clock (RTC) IC Binary Counter I²C, 2-Wire Serial 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Need more? Email Us
R2061L01-E2 Nisshinbo Micro Devices Inc. – Price, Stock & Datasheet
R2061L01-E2
Nisshinbo Micro Devices Inc.
IC RTC CLK/CALENDAR SER 16QFN
Lowest to $6.8182

Top Sellers

ULN2803ADWR real image9675
ULN2803ADWR
Texas Instruments
TRANS 8NPN DARL 50V 0.5A 18SO
Lowest to $4.7519
BM06B-GHS-TBT(LF)(SN)(N) Real Image2
BM06B-GHS-TBT(LF)(SN)(N)
JST Sales America Inc.
CONN HEADER SMD 6POS 1.25MM
Lowest to $0.4985
NTA4153NT1G real image4110
NTA4153NT1G
ON Semiconductor
MOSFET N-CH 20V 915MA SOT-416
Lowest to $0.0543
SSD1963QL9 real image6483
SSD1963QL9
Solomon
LCD Display Controller 128-Pin LQFP Tray
Lowest to $4.1579
EPM3128ATC100-10N real image
EPM3128ATC100-10N
Altera
IC CPLD 128MC 10NS 100TQFP
Lowest to $3.3015
CY7C68013A-128AXC Real Image
CY7C68013A-128AXC
Cypress Semiconductor Corp
IC MCU USB PERIPH HI SPD 128LQFP
Lowest to $18.8657
RTL8211FI-CG real image16071
RTL8211FI-CG
Realtek
INTEGRATED 10/100/1000M ETHERNET TRANSCEIVER
Lowest to $2.4354
ICM-42605 real image24295
ICM-42605
TDK InvenSense
IMU ACCEL/GYRO/TEMP I2C/SPI LGA
Lowest to $9.9790
DRV8432DKD Real Image1
DRV8432DKD
Texas Instruments
IC BRIDGE DRIVER PAR 36HSSOP
Lowest to $19.3374
TPSM63606RDLR Real Image
TPSM63606RDLR
Texas Instruments
DC DC CONVERTER 1-16V / Non-Isolated PoL Module DC DC Converter 1 Output 1 ~ 16V 6A 3V - 36V Input
Lowest to $13.0101
FT4232HL real image4446
FT4232HL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $13.0677
FT232RL-REEL Real Image
FT232RL-REEL
FTDI, Future Technology Devices International Ltd
IC USB FS SERIAL UART 28-SSOP
Lowest to $5.9399
ULN2803ADW Real Image
ULN2803ADW
Texas Instruments
DARLINGTON TRANSISTOR ARRAY | TRANS 8NPN DARL 50V 0.5A 18SO
Lowest to $5.4647
FT234XD-R real image
FT234XD-R
FTDI, Future Technology Devices International Ltd
USB-to-UART 1-CH 512byte FIFO 5V 12-Pin DFN EP T/R / IC USB SERIAL BASIC UART 12DFN
Lowest to $4.2767
PE4312C-Z label picture
PE4312C-Z
Peregrine Semiconductor
RF ATTENUATOR 31.5DB 50OHM 20QFN
Lowest to $1.3914

Pricing & Ordering

Quantity Unit Price Ext. Price
10+ $5.8836 $58.8360
24+ $4.8279 $115.8696
38+ $4.6766 $177.7108
52+ $4.5253 $235.3156
66+ $4.3751 $288.7566
89+ $3.9224 $349.0936
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
Estimate Shipping
Enter your destination to get a shipping estimate
*
Availability: 1,570 pieces
MOQ: 10 pcs
Order Increment : 1 pcs
*Need More Quantity? *Request a Bulk Quantity Quotation?
Ordering Guidelines

Shipping Information

Shipped from HK warehouse
Expected Shipping Date
Ship today if order in (HKT)
Supplier Lead-Time Call for availability
Estimate shipping fee
Enter your destination to get a shipping estimate
Estimate Shipping Fee

Contact Us

*
*
*

FRAUD PREVENTION REMINDERS

Recently, We have discovered that criminals falsely claimed to be WIN SOURCE to commit fraud. Please note that the only official website & email suffix are win-source.group, win-source.net, winsourcectl.com and winsourceelec.com

More details about fraud prevention
About Us
Customer Service
Solutions
Copyright © 2026 WIN SOURCE. All rights reserved.
For detailed contact information and office addresses in our key locations, including Irvine, Munich, Toronto, Singapore, Seoul, Bangalore, Bologna, Yamanashi, Hong Kong, and Mainland China, please visit our website.
Trust Guard Security Scanned
RFQ RFQ RFQ BOM BOM BOM API API API Sell Sell Sell your Excess