Memory

Part Number	Description / PDF	Quantity
24AA64T-I/SM Roving Networks / Microchip Technology	IC EEPROM 64KBIT I2C 8SOIJ	0
24AA256T-I/MNY Roving Networks / Microchip Technology	IC EEPROM 256KBIT I2C 8TDFN	0
SST39LF802C-55-4C-B3KE-T Roving Networks / Microchip Technology	IC FLASH 8MBIT PARALLEL 48TFBGA	0
11AA161-I/MS Roving Networks / Microchip Technology	IC EEPROM 16KBIT SGL WIRE 8MSOP	0
ER5911/P Roving Networks / Microchip Technology	128 X 8 OTPROM	38684
24AA256UID-I/P Roving Networks / Microchip Technology	IC EEPROM 256KBIT I2C 8DIP	323
SST26VF064BEUI-104I/MF Roving Networks / Microchip Technology	IC FLASH 64MBIT SPI/QUAD 8WDFN	0
24VL014T/SN Roving Networks / Microchip Technology	IC EEPROM 1KBIT I2C 400KHZ 8SOIC	0
25LC640AT-M/SN Roving Networks / Microchip Technology	IC EEPROM 64KBIT SPI 10MHZ 8SOIC	0
AT28HC256-90JU-600 Roving Networks / Microchip Technology	IC EEPROM 256KBIT PAR 32PLCC	84
24LC01BHT-E/SN Roving Networks / Microchip Technology	IC EEPROM 1KBIT I2C 400KHZ 8SOIC	0
SST39LF402C-55-4C-MAQE Roving Networks / Microchip Technology	IC FLASH 4MBIT PARALLEL 48WFBGA	0
24LC01BT-I/SN Roving Networks / Microchip Technology	IC EEPROM 1KBIT I2C 400KHZ 8SOIC	812
93C46A-E/MS Roving Networks / Microchip Technology	IC EEPROM 1KBIT SPI 2MHZ 8MSOP	0
AT24C01C-SSHM-B Roving Networks / Microchip Technology	IC EEPROM 1KBIT I2C 1MHZ 8SOIC	1938
SST39VF040-70-4I-NHE Roving Networks / Microchip Technology	IC FLASH 4MBIT PARALLEL 32PLCC	541
25LC160D-I/ST Roving Networks / Microchip Technology	IC EEPROM 16KBIT SPI 8TSSOP	0
24LC04BHT-I/SN Roving Networks / Microchip Technology	IC EEPROM 4KBIT I2C 400KHZ 8SOIC	0
24LC08B-I/SN Roving Networks / Microchip Technology	IC EEPROM 8KBIT I2C 400KHZ 8SOIC	4260
23LCV512T-I/SN Roving Networks / Microchip Technology	IC SRAM 512KBIT SPI/DUAL 8SOIC	0

Memory

1. Overview

Memory integrated circuits (ICs) are semiconductor devices used for storing digital data in electronic systems. As fundamental components of modern electronics, they enable data retention and retrieval in computers, mobile devices, industrial equipment, and automotive systems. Memory ICs are categorized into volatile (requires power to retain data) and non-volatile (retains data without power) types, playing critical roles in system performance, storage capacity, and energy efficiency.

2. Major Types and Functional Classification

Type	Functional Characteristics	Application Examples
DRAM (Dynamic RAM)	High-density, low-cost, requires periodic refresh	PCs, Servers, Graphics Cards
NAND Flash	Non-volatile, high endurance, block-level access	SSDs, USB Drives, Mobile Storage
SRAM (Static RAM)	High-speed, low density, no refresh required	Cache Memory, Networking Equipment
NOR Flash	Random access, execute-in-place capability	Embedded Systems, Automotive ECUs
MRAM (Magnetoresistive RAM)	Non-volatile, unlimited endurance, low power	IoT Devices, Industrial Sensors

3. Structure and Composition

Memory ICs typically consist of:

Storage Cell Array: Matrix of memory cells (transistors/capacitors for DRAM, floating-gate transistors for Flash)
Address Decoder: Selects specific memory locations
I/O Circuits: Data input/output interfaces
Control Logic: Manages read/write operations and timing
Power Management Units: Optimizes energy consumption

Advanced packages include BGA (Ball Grid Array) and 3D-stacked configurations for density optimization.

4. Key Technical Specifications

Parameter	Description	Importance
Storage Capacity	Data volume (Gb/GiB)	Determines system memory limits
Access Time	ns/predictable latency	Impacts processing speed
Power Consumption	mW/MHz	Affects battery life and thermal design
Endurance	P/E cycles (Flash)	Dictates product lifespan
Data Retention	Years (non-volatile)	Critical for long-term storage

5. Application Areas

Consumer Electronics: Smartphones (NAND Flash), Gaming Consoles (GDDR6)
Industrial Automation: PLCs (SRAM), Data Loggers (MRAM)
Automotive Systems: ADAS (LPDDR5), Infotainment (eMMC)
Enterprise Storage: SSD Controllers (3D NAND), Servers (RDIMM)

6. Leading Manufacturers and Products

Manufacturer	Representative Products
Samsung Electronics	V-NAND (9x-layer), LPDDR5X
SK hynix	HBM3 (8GB/s bandwidth), GDDR6
Microchip Technology	Serial NOR Flash (SST26)
Kioxia Corporation	BiCS FLASH (3D NAND)
Infineon Technologies	MRAM (40nm process)

7. Selection Recommendations

Key considerations:

Match memory type to application requirements (e.g., NOR Flash for code storage)
Evaluate bandwidth vs. latency tradeoffs
Analyze temperature and vibration specifications
Assess long-term supply stability
Optimize cost-per-bit metrics

Case Study: A smartphone manufacturer selected UFS 3.1 (NAND-based) for 2100MB/s read speeds, improving app launch times by 35%.

8. Industry Trends

Future directions include:

3D NAND scaling beyond 200 layers
Emerging memories (ReRAM, PCM) for AI acceleration
Package-on-Package (PoP) integration
AI-optimized memory architectures (Processing-in-Memory)
Green manufacturing processes (EUV lithography)