Memory

Part Number	Description / PDF	Quantity
S25FL256LDPNFN010 Cypress Semiconductor	IC FLASH 256MBIT SPI/QUAD 8WSON	0
S27KL0641DABHI033 Cypress Semiconductor	IC PSRAM 64MBIT PARALLEL 24FBGA	0
S25FL256SDSBHM213 Cypress Semiconductor	IC FLASH 256MBIT SPI/QUAD 24BGA	0
S25FL128SAGMFA001 Cypress Semiconductor	IC FLASH 128MBIT SPI/QUAD 16SOIC	0
S25FL128LAGBHV030 Cypress Semiconductor	IC FLASH 128MBIT SPI/QUAD 24BGA	0
CY7C1470BV33-167AXCT Cypress Semiconductor	IC SRAM 72MBIT PARALLEL 100TQFP	0
S25FL256LAGBHN020 Cypress Semiconductor	IC FLASH 256MBIT SPI/QUAD 24BGA	0
S29GL128S90DHSS30 Cypress Semiconductor	IC FLASH 128MBIT PARALLEL 64FBGA	0
S26KS512SDABHN030 Cypress Semiconductor	IC FLASH 512MBIT PARALLEL 24FBGA	0
S26KL256SDABHN030 Cypress Semiconductor	IC FLASH 256MBIT PARALLEL 24FBGA	0
S29GL01GS12FHIV13 Cypress Semiconductor	IC FLASH 1GBIT PARALLEL 64FBGA	0
S29GL256S90DHSS43 Cypress Semiconductor	IC FLASH 256MBIT PARALLEL 64FBGA	0
CY7C1645KV18-400BZXI Cypress Semiconductor	IC SRAM 144MBIT PARALLEL 165FBGA	3
S70FS01GSDSBHV210 Cypress Semiconductor	IC FLSH 1GBIT SPI/QUAD I/O 24BGA	0
S25FL032P0XMFA010 Cypress Semiconductor	IC FLASH 32MBIT SPI/QUAD 8SOIC	904
S25FS512SAGBHM210 Cypress Semiconductor	IC FLASH 512MBIT SPI/QUAD 24BGA	0
CY14B256LA-SZ25XIT Cypress Semiconductor	IC NVSRAM 256KBIT PAR 32SOIC	0
S29GL128S90FHSS23 Cypress Semiconductor	IC FLASH 128MBIT PARALLEL 64FBGA	0
S29GL01GS11DHAV20 Cypress Semiconductor	IC FLASH 1GBIT PARALLEL 64FBGA	0
CY14B104NA-BA45XET Cypress Semiconductor	IC NVSRAM 4MBIT PARALLEL 48FBGA	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)