Features
- Single supply: 1.8V to 5.5V
- Two-wire serial interface (I²C serial bus)
- Clock frequency: 400kHz
- Power dissipation: Standby: 2.0μA (max) Active (Read): 1.0mA (max) Active (Write): 2.5mA (max)
- Automatic page write: 16-byte/page
- Write cycle time: 5ms
- Endurance: 1,000k or more Cycles at 25°C
- Data retention: 100 or more Years at 25°C
- Small size packages: SOP 8-pin, TSSOP 8-pin
- Shipping tape and reel TSSOP 8-pin: 3,000 IC/reel SOP 8-pin: 2,500 IC/reel
- Temperature range: −40°C to +85°C
- Lead-free products. (#U0, #S0)
- Halogen-free products. (#U0)
R1EX24002A Block Diagram
Description
The R1EX24xxx series are two-wire serial interface EEPROM (Electrically Erasable and Programmable ROM). They realize high-speed, low-power consumption, and a high level of reliability by employing advanced MONOS memory technology and the CMOS process, and low-voltage circuitry technology. They also have a 16-byte page programming function to make their write operation faster.
| Part Number | Status | Samples | Stock | Package | Budgetary Price (USD) | Carrier Type | Moisture Sensitivity Level (MSL) | Country of Assembly | Country of Wafer Fabrication |
|---|---|---|---|---|---|---|---|---|---|
| R1EX24002ASAS0I#S0 | Obsolete | Available | In Stock | SOP | 1ku | $0.38 | Embossed Tape | 1 | JAPAN, VIETNAM | JAPAN |
| R1EX24002ASAS0I#U0 | Obsolete | N/A | Out of Stock | SOP | 1ku | $0.38 | Embossed Tape | 1 | PHILIPPINES, VIETNAM | JAPAN |
| R1EX24002ATAS0I#S0 | Obsolete | Available | In Stock | TSSOP | 1ku | $0.38 | Embossed Tape | 1 | JAPAN, VIETNAM | JAPAN |
| R1EX24002ATAS0I#U0 | Obsolete | N/A | In Stock | TSSOP | 1ku | $0.38 | Embossed Tape | 1 | PHILIPPINES, VIETNAM | JAPAN |
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- Guide
- Application NoteAI-generated Summary: The software controls clock synchronous communication using the 3-wire serial I/O (CSI mode) of the RL78 microcontroller's serial array unit as a single master. It supports MSB-first transfer and CPU-driven data transfer but lacks chip-select control and DMA or interrupt-driven transfer. The software operates under specified conditions with RL78/G14 and Renesas R1EX25xxx SPI EEPROM, using CS+ development environments and standard compiler settings.Related Files:
- Product Change Notice
- Product Change Notice
- Product Change Notice
- Application NoteRX Family SCIFA Clock Synchronous Single Master Control Module Using Firmware Integration TechnologyAI-generated Summary: The SCIFA FIT module enables easy integration of clock synchronous single master control into RX Family microcontrollers through APIs. It supports initialization, control, transmit/receive, interrupt handling, and error logging functions. Operation is confirmed on RX64M and RX71M groups with specified memory sizes, compiler settings, and development environments. Memory requirements vary by compiler version and endian mode.Related Files:
- Product Change Notice
- Application NoteAI-generated Summary: The document details a sample program for RX family microcontrollers using RSPI for clock synchronous single master control via a three-wire serial communication method. It supports single-channel operation with MSB-first data transfer in both big and little endian formats. The code excludes chip select control and DMA transfers and allows normal or high-speed receive modes. Supervisor mode operation is required for high-speed mode, while normal mode supports both user and supervisor modes. The RSPI module's features and peripheral usage are outlined, including port requirements for slave device selection.Related Files:
- Application NoteAI-generated Summary: The document details control software for Renesas R1EX24xxx series serial EEPROMs using Renesas MCUs. It explains communication protocols including write, acknowledge polling, and read operations via I2C single master control software. The software supports multiple channels and slave devices, handles address conversion based on EEPROM capacity, and includes recovery functions for bus errors. It also outlines peripheral functions and usage examples for serial EEPROM communication.Related Files:
- Application NoteRX Family, RL78 Family, 78K0R/Kx3-L Renesas R1EX25xxx Series Serial EEPROM Control Software Rev.1.06AI-generated Summary: The document details the Renesas R1EX25xxx Series Serial EEPROM control software for RX, RL78, and 78KOR/Kx3-L MCU families. It describes driver initialization, read/write processes, command handling, and internal functions. The software manages SPI Serial EEPROM devices via MCU's synchronous serial communication, supporting up to two devices with configurable communication speed and endian modes. Evaluation conditions for RX610 MCU include operating frequency, voltage, development environment, and compiler settings.Related Files:
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- Guide
Manuals & Guides (2)
- Application NoteAI-generated Summary: The software controls clock synchronous communication using the 3-wire serial I/O (CSI mode) of the RL78 microcontroller's serial array unit as a single master. It supports MSB-first transfer and CPU-driven data transfer but lacks chip-select control and DMA or interrupt-driven transfer. The software operates under specified conditions with RL78/G14 and Renesas R1EX25xxx SPI EEPROM, using CS+ development environments and standard compiler settings.Related Files:
- Application NoteRX Family SCIFA Clock Synchronous Single Master Control Module Using Firmware Integration TechnologyAI-generated Summary: The SCIFA FIT module enables easy integration of clock synchronous single master control into RX Family microcontrollers through APIs. It supports initialization, control, transmit/receive, interrupt handling, and error logging functions. Operation is confirmed on RX64M and RX71M groups with specified memory sizes, compiler settings, and development environments. Memory requirements vary by compiler version and endian mode.Related Files:
- Application NoteAI-generated Summary: The document details a sample program for RX family microcontrollers using RSPI for clock synchronous single master control via a three-wire serial communication method. It supports single-channel operation with MSB-first data transfer in both big and little endian formats. The code excludes chip select control and DMA transfers and allows normal or high-speed receive modes. Supervisor mode operation is required for high-speed mode, while normal mode supports both user and supervisor modes. The RSPI module's features and peripheral usage are outlined, including port requirements for slave device selection.Related Files:
- Application NoteAI-generated Summary: The document details control software for Renesas R1EX24xxx series serial EEPROMs using Renesas MCUs. It explains communication protocols including write, acknowledge polling, and read operations via I2C single master control software. The software supports multiple channels and slave devices, handles address conversion based on EEPROM capacity, and includes recovery functions for bus errors. It also outlines peripheral functions and usage examples for serial EEPROM communication.Related Files:
- Application NoteRX Family, RL78 Family, 78K0R/Kx3-L Renesas R1EX25xxx Series Serial EEPROM Control Software Rev.1.06AI-generated Summary: The document details the Renesas R1EX25xxx Series Serial EEPROM control software for RX, RL78, and 78KOR/Kx3-L MCU families. It describes driver initialization, read/write processes, command handling, and internal functions. The software manages SPI Serial EEPROM devices via MCU's synchronous serial communication, supporting up to two devices with configurable communication speed and endian modes. Evaluation conditions for RX610 MCU include operating frequency, voltage, development environment, and compiler settings.Related Files:View More (14)
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- Product Change Notice
- Product Change NoticeView More (6)
Product Notices (PCN, EOL, etc) (6)
- Technical Update
- Technical Update
- Technical UpdatePDF 446 KB TN-N58-A028A/E Dec 06, 2007
- Technical Update
Errata & Technical Updates (5)
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