Memory

Image	Part Number	Description / PDF	Quantity	Rfq
	NM27C256Q100 Sanyo Semiconductor/ON Semiconductor	IC EPROM 256KBIT PARALLEL 28CDIP	0
	CAT93C46RBYI-GT3 Sanyo Semiconductor/ON Semiconductor	IC EEPROM 1KBIT SPI 4MHZ 8TSSOP	0
	N01L83W2AT25I Sanyo Semiconductor/ON Semiconductor	IC SRAM 1MBIT PARALLEL 32TSOP I	0
	CAT24C08ZI-GT3 Sanyo Semiconductor/ON Semiconductor	IC EEPROM 8KBIT I2C 400KHZ 8MSOP	0
	MM74C89N Sanyo Semiconductor/ON Semiconductor	IC RAM 64B PARALLEL 16DIP	0
	NM93C66M8 Sanyo Semiconductor/ON Semiconductor	IC EEPROM 4KBIT SPI 1MHZ 8SO	0
	CAT28F001G-12T Sanyo Semiconductor/ON Semiconductor	IC FLASH 1MBIT PARALLEL 32PLCC	0
	NM24C16N Sanyo Semiconductor/ON Semiconductor	IC EEPROM 16KBIT I2C 100KHZ 8DIP	0
	FM93CS56LM8 Sanyo Semiconductor/ON Semiconductor	IC EEPROM 2KBIT SPI 250KHZ 8SO	0
	NM27C010VE200 Sanyo Semiconductor/ON Semiconductor	IC EPROM 1MBIT PARALLEL 32PLCC	0
	CAT28C256L15 Sanyo Semiconductor/ON Semiconductor	IC EEPROM 256KBIT PARALLEL 28DIP	0
	NM24C04N Sanyo Semiconductor/ON Semiconductor	IC EEPROM 4KBIT I2C 100KHZ 8DIP	0
	74F189PC Sanyo Semiconductor/ON Semiconductor	IC RAM 64B PARALLEL 16DIP	0
	CAT28C64BH13-90T Sanyo Semiconductor/ON Semiconductor	IC EEPROM 64KBIT PARALLEL 28TSOP	0
	NM93C46EN Sanyo Semiconductor/ON Semiconductor	IC EEPROM 1KBIT SPI 1MHZ 8DIP	0
	NM93CS66N Sanyo Semiconductor/ON Semiconductor	IC EEPROM 4KBIT SPI 1MHZ 8DIP	0
	CAT24C02YI-GT3JN Sanyo Semiconductor/ON Semiconductor	IC EEPROM 2KBIT I2C 8TSSOP	0
	NM24C04LEN Sanyo Semiconductor/ON Semiconductor	IC EEPROM 4KBIT I2C 100KHZ 8DIP	0
	CAT25320LI-G Sanyo Semiconductor/ON Semiconductor	IC EEPROM 32KBIT SPI 10MHZ 8DIP	0
	CAT28C16AXI12 Sanyo Semiconductor/ON Semiconductor	IC EEPROM 16KBIT PARALLEL 24SOIC	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)