MT48LC2M32B2TG-7

series introduction

# Introduction to the MT48LC2M32B2TG - 7 Product Series

## 1. Overview
The MT48LC2M32B2TG - 7 belongs to a high - performance dynamic random - access memory (DRAM) product series. DRAM is a fundamental component in modern electronic systems, providing fast and temporary storage for data that the central processing unit (CPU) needs to access quickly. This particular series is designed to meet the demanding requirements of various applications, from consumer electronics to industrial and networking devices.

## 2. Key Specifications

### Memory Capacity
The "2M32" in the model number indicates that each device in the MT48LC2M32B2TG - 7 series has a memory capacity of 2 megawords, with each word being 32 bits wide. In total, this results in a memory capacity of 64 megabits (2M x 32 bits). This capacity makes it suitable for applications that require a moderate amount of fast - access memory, such as small - to - medium - sized embedded systems, gaming consoles, and some portable devices.

### Organization
The memory is organized in a way that allows for efficient data access. It is divided into multiple banks, which enables concurrent operations. This organization helps in reducing the access time and improving the overall performance of the memory system. For example, while one bank is being accessed for a read or write operation, another bank can be pre - charged or prepared for the next operation.

### Speed Grade
The "-7" in the model number represents the speed grade of the memory. It indicates that the device has a cycle time of 7 nanoseconds. A lower cycle time means that the memory can perform read and write operations more quickly. This high - speed performance is crucial for applications where real - time data processing is required, such as in high - frame - rate video processing or fast - paced gaming.

### Package Type
The "TG" in the model number typically refers to the package type. In this case, it might be a thin - small - outline package (TSOP), which is a common package for DRAM chips. TSOP packages are relatively small in size, making them suitable for applications with limited board space, such as laptops and other portable devices. The package also provides good electrical performance and mechanical stability.

## 3. Electrical Characteristics

### Power Supply
The MT48LC2M32B2TG - 7 series operates on a standard power supply voltage. Usually, it requires a single +3.3V power supply, which is a common voltage level in many electronic systems. This simplifies the power management design of the overall system, as it can share the same power source with other components.

### Low Power Consumption
In addition to the standard power supply, these DRAM chips are designed to be power - efficient. They incorporate advanced power - saving techniques, such as reduced standby current and power - down modes. This is especially important for battery - powered devices, as it helps to extend the battery life and reduce the overall power consumption of the system.

### Signal Integrity
The memory chips are designed to maintain good signal integrity. They have built - in features such as termination resistors and impedance matching to minimize signal reflections and interference. This ensures reliable data transfer between the memory and the other components of the system, even at high - speed operation.

## 4. Functional Features

### Read and Write Operations
The MT48LC2M32B2TG - 7 supports both read and write operations. Read operations allow the CPU or other system components to retrieve data from the memory, while write operations enable them to store new data in the memory. The memory has a well - defined interface for these operations, which includes address lines, data lines, and control signals.

Images for reference

86-TFSOP

related Documents

• Y14W 03/Dec/2011

Datasheets

• MT48LC2M32B2

Partlist