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Memory

Product catalog summary

Overview: This document outlines the specifications and applications of memory products from LAPIS Technology and ROHM Co., Ltd., focusing on SDRAM, Serial EEPROM, and FeRAM. It highlights their use in standard, industrial, and automotive sectors, emphasizing key features and technical parameters.

1. SDRAM:

Standard Legacy DRAM SDRAM: Available in 64M, 128M, and 256M bits with a 3.3V supply voltage, featuring drivability control and halogen-free options. Operating temperature is 0 to +70°C.
Industrial Legacy DRAM SDRAM: Similar to standard SDRAM but with an extended temperature range of -40 to +85°C for industrial use.
Automotive Legacy DRAM SDRAM: Designed for automotive applications, operating up to +105°C, compliant with AEC-Q100 standards.
SDRAM for SiP: High-density options for system-in-package applications, supporting temperatures up to +125°C.

2. Serial EEPROM:

Standard EEPROM: Features I2C, SPI, and Microwire interfaces with various densities, operating from -40 to +85°C, and endurance up to 4 million cycles.
Automotive EEPROM: Supports high temperatures up to +125°C, with functional safety and AEC-Q100 certification.

3. FeRAM:

Offers non-volatile memory solutions with high endurance and fast write cycles, available in parallel, I2C, and SPI configurations.

Key Features and Considerations:

Halogen-Free Support: Ensures environmental compliance.
Automotive Grade Compliance: Meets AEC-Q100 standards for automotive use.
Temperature Range: Products cater to various temperature requirements for different applications.
Endurance and Data Retention: High endurance and data retention are crucial for reliable long-term storage.

ROHM EEPROM Specifications:

BR25Hxxx-5AC Series: Operates at 1.7 to 5.5V, with densities from 128K to 1024K bits, featuring a 3.5 ms write cycle time, designed for functional safety and automotive grade.
BR25Hxxx-2AC Series: Operates at 2.5 to 5.5V, with densities from 64K to 256K bits, suitable for high temperatures up to 125°C, with a 4 ms write cycle time.
BR25Hxxx-2C Series: Supports densities from 1K to 128K bits, with a 2.5 to 5.5V supply voltage, designed for high temperatures up to 125°C, with a 4 ms write cycle time.
BR25Axxx-3M Series: Operates at 2.5 to 5.5V, with densities from 256K to 1M bits, suitable for operations up to 105°C, with a 5 ms write cycle time.

Functional Safety and Automotive Grade: Emphasizes the ComfySILTM functional safety feature for reliability in automotive applications.

Key Parameters:

Operating Temperature: Ranges from -40°C to +125°C depending on the series.
Endurance: Up to 10⁶ write cycles.
Data Retention: Up to 100 years.

Conclusion: The document provides a comprehensive overview of memory products, highlighting their suitability for high-temperature and automotive applications, along with robust functional safety features.

Catalog excerpts

Category Memory Memory Includes LAPIS Technology products SDRAM Standard Legacy DRAM SDRAM Industrial Legacy DRAM SDRAM Automotive Legacy DRAM SDRAM SDRAM for SiP Serial EEPROM Standard EEPROM Automotive EEPROM

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Memory Memory Serial EEPROM SDRAM (LAPIS Technology products) Memory Standard Legacy DRAM SDRAM Automotive Legacy DRAM SDRAM Serial EEPROM Industrial Legacy DRAM SDRAM SDRAM LAPIS Technology products LAPIS Technology products Plug & Play EEPROM WL-CSP EEPROM Automotive EEPROM Standard EEPROM P.13 SPI BUS FeRAM Standard Legacy DRAM SDRAM (LAPIS Technology products) Data Rate type Number Density of Data (bit) bits Configuration (bank×word×bit) Refresh Cycle (cycles/ms) TSOP (2) 54 -400-0.80-ZK6 6/7/7.5/10 Drivability Control (EMRS) SDR: Single Data Rate Synchronous DRAM *1 A check mark of halogen...

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Memory SDRAM for SiP (LAPIS Technology products) Standard Memory Number of Data bits Configuration (bank×word×bit) Refresh Cycle (cycles/ms) Serial EEPROM Standard EEPROM I2C BUS EEPROM (2-Wire) BR24Gxxx-3 series (SCL Frequency=400kHz) Package and Suffix Part No. Density Bit Format (bit) (word×bit) Current Consumption (Max) Write Cycle SCL Operating Data Endurance Time Frequency Temperature Retention Operating Standby (times) (Max) (ms) (Hz) (˚C) (years) (mA) (µA) I C BUS EEPROM (2-Wire) BR24Gxxx-5 series (SCL Frequency=1MHz/Endurance=4million times) 2 I C BUS EEPROM (2-Wire) BR24Gxxx-5A series...

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Memory SPI BUS EEPROM BR25Gxxx-3 series Supply Voltage (V) Density Bit Format (bit) (word×bit) Current Consumption (Max) Write Cycle Operating Data Endurance Time Temperature Retention (times) (Max) (ms) (˚C) (years) Microwire BUS EEPROM (3-Wire) BR93Gxx-3/3A/3B series BR93G46 Microwire BUS EEPROM (3-Wire) BR93Gxx-3/3A/3B series: *1 They are dual organization (by 16bit or 8bit) and it is selected the input of ORG PIN. *2 1PIN: CS PIN *3 3PIN: CS PIN Micro Wire BUS Pin Assignment CS Interchangeable with the BR93LxxRxx-W series Rotated Pins WL-CSP EEPROM Package Data Retention (years) Pull-up Thickness...

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Memory Standard EEPROM Plug & Play EEPROM For Memory Modules Memory Write Cycle Time (ms) Endurance (times) Data Retention (years) Write Protect Onetime ROM write protect Settable write protect Onetime ROM write protect Plug & Play EEPROM For Memory Modules: *1 VCC=1.7 to 5.5V Plug & Play EEPROM For Display Part No. Function Descriptions Write Cycle Time (ms) Dual-port type compatible with DDC2 for displays 2Kbit×3ch EEPROM for HDMI ports Automotive EEPROM 125˚C Operation I2C BUS EEPROM (2-Wire) BR24Hxxx-5AC series Package and Suffix Part No. Supply Current Consumption (Max) Write Cycle Operating...

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Memory 125˚C Operation Built-in ECC Function SPI BUS EEPROM BR25Hxxx-5AC series Density Bit Format (bit) (word×bit) Current Consumption (Max) Write Cycle Operating Data ComfySILTM Automotive Endurance Time Temperature Retention Functional Grade Operating Standby (times) AEC-Q100 Safety*1 (Max) (ms) (˚C) (years) (mA) (µA) 125˚C Operation SPI BUS EEPROM with ECC Function BR25Hxxx-2AC series Package and Suffix Part No. Density Bit Format (bit) (word×bit) Current Consumption (Max) Write Cycle Operating Data ComfySILTM Automotive Endurance Time Temperature Retention Functional Grade Operating Standby...

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