Memory - Controllers

Category Introduction

Memory controller products are used to mediate interactions between a device such as a microcontroller and external data storage devices, with the exact functionality offered varying depending on the intended use case. For example, some provide the necessary power monitoring and management facilities to allow conversion of a volatile memory to non-volatile, others provide a bridge between a standard USB interface and an array of NAND flash devices, while others provide functions that differ in other ways.

Product List

311 Items
PDF Mfr Part # Quantity
Available
UnitPrice RFQ Series Packaging Product StatusController TypeVoltage - SupplyOperating TemperatureMounting TypePackage / CaseSupplier Device Package
DS1314S-2+T&R
DS1314S-2+T&R
IC CTRLR NV W/BATT MON 3V 8-SOIC
Analog Devices Inc./Maxim Integrated
54 $18.37
Tape & Reel (TR) ActiveNonvolatile RAM3V ~ 3.6V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
DS1314S+
DS1314S+
IC CTRLR NV W/BATT MON 3V 16SOIC
Analog Devices Inc./Maxim Integrated
11 $13.29
Tube ActiveNonvolatile RAM3V ~ 3.6V-40°C ~ 85°CSurface Mount16-SOIC (0.295", 7.50mm Width)16-SOIC
DS1312S+
DS1312S+
IC CTRLR NV W/BATT MOD 16-SOIC
Analog Devices Inc./Maxim Integrated
50 $16.52
Tube ActiveNonvolatile RAM4.75V ~ 5.5V-40°C ~ 85°CSurface Mount16-SOIC (0.295", 7.50mm Width)16-SOIC
MXD1210CSA+
MXD1210CSA+
IC CNTRLR NONVOLATILE RAM 8-SOIC
Analog Devices Inc./Maxim Integrated
42 $6.98
Tube ActiveNonvolatile RAM4.75V ~ 5.5V0°C ~ 70°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
DS1321S+
DS1321S+
IC CTRLR NV W/BATT MON 5V 16SOIC
Analog Devices Inc./Maxim Integrated
5 $11.03
Tube ActiveNonvolatile RAM4.75V ~ 5.5V-40°C ~ 85°CSurface Mount16-SOIC (0.154", 3.90mm Width)16-SOIC
DS1321+
DS1321+
IC CTRLR NV W/BATT MON 5V 16-DIP
Analog Devices Inc./Maxim Integrated
10 $12.30
Tube ActiveNonvolatile RAM4.75V ~ 5.5V-40°C ~ 85°CThrough Hole16-DIP (0.300", 7.62mm)16-PDIP
DS1312S-2+
DS1312S-2+
IC CTRLR NV W/BATT MOD 8-SOIC
Analog Devices Inc./Maxim Integrated
59 $13.27
Tube ActiveNonvolatile RAM4.75V ~ 5.5V-40°C ~ 85°CSurface Mount8-SOIC (0.154", 3.90mm Width)8-SOIC
BQ2205LYPW
BQ2205LYPW
IC CTRLR SRAM NONVOLITL 16-TSSOP
Texas Instruments
185 $4.80
Tube ActiveNonvolatile SRAM3V ~ 3.6V-20°C ~ 70°CSurface Mount16-TSSOP (0.173", 4.40mm Width)16-TSSOP
TMS44165-80DZ
TMS44165-80DZ
FAST PAGE DRAM, 256KX16, 80NS0
Texas Instruments
473 $2.00
Bulk Active------
TMS626402-12DGE
TMS626402-12DGE
SYNCHRONOUS DRAM, 4MX4 PDSO44
Texas Instruments
474 $1.99
Bulk Active------
TMS44460-70DR
TMS44460-70DR
FAST PAGE DRAM, 1MX4, 70NS, CMOS
Texas Instruments
230 $2.28
Bulk Active------
TMS44460-70DJ
TMS44460-70DJ
FAST PAGE DRAM, 1MX4, 70NS, CMOS
Texas Instruments
250 $2.29
Bulk Active------
TMS45165-70DZ
TMS45165-70DZ
FAST PAGE DRAM, 256KX16, 70NS0
Texas Instruments
69 $2.58
Bulk Active------
TMS45165-60DZ
TMS45165-60DZ
FAST PAGE DRAM, 256KX16, 60NS, P
Texas Instruments
89 $2.58
Bulk Active------
TMS45165-70DZR
TMS45165-70DZR
FAST PAGE DRAM, 256KX16, 70NS, C
Texas Instruments
295 $2.69
Bulk Active------
RG82848P
RG82848P
MEMORY CONTROLLER, CMOS, PBGA932
Intel
8 $3.32
Bulk Active------
TMS45169-60DZ
TMS45169-60DZ
EDO DRAM, 256KX16, 60NS PDSO40
Texas Instruments
69 $3.52
Bulk Active------
TMS44165-70DZ
TMS44165-70DZ
FAST PAGE DRAM, 256KX16, 70NS0
Texas Instruments
121 $3.54
Bulk Active------
MXD1210ESA-T
MXD1210ESA-T
NONVOLATILE RAM CONTROLLER
Analog Devices Inc./Maxim Integrated
9 $3.84
Bulk Active------
TMS44C256-10DJ
TMS44C256-10DJ
FAST PAGE DRAM, 256KX4
Texas Instruments
165 $4.07
Bulk Active------

About Memory Controllers

What are Memory Controllers?

Memory Controllers

Memory controllers are integral components within the realm of Memory Integrated Circuits (ICs), serving as the bridge between a computer's processor and its memory modules. They manage the flow of data to and from the memory, ensuring efficient data retrieval and storage. Operating on the principle of coordinating read and write operations, memory controllers interpret commands from the CPU, access the appropriate memory addresses, and facilitate data transfer. By optimizing the communication between the processor and memory, they enhance system performance and reliability.

Types of Memory Controllers

1. DRAM Controllers

Dynamic Random Access Memory (DRAM) controllers are designed to manage DRAM chips, commonly used in personal computers and servers. They handle the refresh cycles necessary to maintain data integrity in DRAM, ensuring that data is not lost over time. DRAM controllers are optimized for high-speed data access and are crucial in applications requiring large memory capacities.

2. SRAM Controllers

Static Random Access Memory (SRAM) controllers are used in applications where speed is critical, such as in cache memory for CPUs. Unlike DRAM, SRAM does not require periodic refreshing, allowing for faster data access. SRAM controllers are designed to manage these high-speed operations efficiently, making them ideal for performance-critical applications.

3. Flash Memory Controllers

Flash memory controllers are essential in managing non-volatile memory types like NAND and NOR flash. They handle wear leveling, error correction, and data integrity, crucial for devices like SSDs, USB drives, and memory cards. These controllers ensure reliable data storage and retrieval in environments where data persistence is vital.

4. Hybrid Memory Controllers

Hybrid memory controllers are designed to manage systems that use a combination of different memory types, such as DRAM and flash. They optimize data flow between volatile and non-volatile memory, balancing speed and data retention. These controllers are increasingly used in modern computing systems that require both high performance and data persistence.

How to choose Memory Controllers?

When selecting a memory controller, several key parameters should be considered:

  • Compatibility: Ensure the controller is compatible with the memory type and system architecture.
  • Performance: Evaluate the controller's speed, latency, and bandwidth capabilities.
  • Reliability: Look for features like error correction and wear leveling for long-term data integrity.
  • Power Consumption: Consider the power efficiency, especially for battery-operated devices.
  • Environmental Factors: Assess the controller's operating temperature range and resistance to environmental conditions.

To evaluate product quality and reliability, review supplier certifications, customer reviews, and industry benchmarks. Consider installation requirements, such as physical space and connectivity options, to ensure seamless integration into your system.

Applications of Memory Controllers

1. Consumer Electronics

In consumer electronics, memory controllers are used in devices like smartphones, tablets, and gaming consoles. They manage data storage and retrieval, ensuring smooth operation and quick access to applications and media files.

2. Automotive Industry

Memory controllers in the automotive sector are crucial for managing data in infotainment systems, navigation, and advanced driver-assistance systems (ADAS). They ensure real-time data processing and storage, enhancing vehicle performance and safety.

3. Data Centers

In data centers, memory controllers are vital for managing large volumes of data in servers and storage systems. They optimize data flow, improve access speeds, and ensure data integrity, supporting high-performance computing and cloud services.

4. Industrial Automation

Memory controllers in industrial automation systems manage data in programmable logic controllers (PLCs) and human-machine interfaces (HMIs). They facilitate real-time data processing and storage, crucial for efficient and reliable industrial operations.

5. Healthcare Devices

In healthcare, memory controllers are used in medical imaging equipment, patient monitoring systems, and portable diagnostic devices. They ensure accurate data storage and retrieval, supporting critical healthcare applications and patient care.