Memory

Part Number	Description / PDF	Quantity
24LC128T-I/MS Roving Networks / Microchip Technology	IC EEPROM 128KBIT I2C 8MSOP	11
24LC64T-I/MS Roving Networks / Microchip Technology	IC EEPROM 64KBIT I2C 8MSOP	0
25CSM04-I/SN Roving Networks / Microchip Technology	IC EEPROM 4MBIT SPI 8MHZ 8SOIC	0
11LC020-E/MS Roving Networks / Microchip Technology	IC EEPROM 2KBIT SGL WIRE 8MSOP	0
24AA014-I/MC Roving Networks / Microchip Technology	IC EEPROM 1KBIT I2C 400KHZ 8DFN	0
SST38VF6403-90-5C-B3KE Roving Networks / Microchip Technology	IC FLASH 64MBIT PARALLEL 48TFBGA	0
AT25080B-MAHL-E Roving Networks / Microchip Technology	IC EEPROM 8KBIT SPI 20MHZ 8UDFN	14495
SST25VF040B-50-4C-SAF-T Roving Networks / Microchip Technology	IC FLASH 4MBIT SPI 50MHZ 8SOIC	4243
AT24C01C-SSHM-T Roving Networks / Microchip Technology	IC EEPROM 1KBIT I2C 1MHZ 8SOIC	5782
93C46B-E/P Roving Networks / Microchip Technology	IC EEPROM 1KBIT SPI 2MHZ 8DIP	0
24FC515-I/SM Roving Networks / Microchip Technology	IC EEPROM 512KBIT I2C 1MHZ 8SOIJ	1
AT93C56B-SSHM-B Roving Networks / Microchip Technology	IC EEPROM 2KBIT SPI 2MHZ 8SOIC	521
24FC08-E/MS Roving Networks / Microchip Technology	IC EEPROM 8KBIT I2C 1MHZ 8MSOP	1200
25LC640A-I/P Roving Networks / Microchip Technology	IC EEPROM 64KBIT SPI 10MHZ 8DIP	397
93C86C-I/MS Roving Networks / Microchip Technology	IC EEPROM 16KBIT SPI 3MHZ 8MSOP	850
28C17A-15I/L Roving Networks / Microchip Technology	16K (2K X 8) CMOS EEPROM	0
SST39WF1602-70-4I-B3KE Roving Networks / Microchip Technology	IC FLASH 16MBIT PARALLEL 48TFBGA	0
24C00T-I/OT Roving Networks / Microchip Technology	IC EEPROM 128B I2C SOT23-5	1888
24VL014T/MNY Roving Networks / Microchip Technology	IC EEPROM 1KBIT I2C 400KHZ 8TDFN	3306
93AA56BT-I/MC Roving Networks / Microchip Technology	IC EEPROM 2KBIT SPI 2MHZ 8DFN	2481

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)