MT48LC4M32B2P-7 IT:G TR: Description, Features, and Applications
What is an MT48LC4M32B2P-7 IT:G TR?
The MT48LC4M32B2P-7 IT:G TR is a Micron Technology SDRAM chip with a capacity of 128 Mbit, configured as 4Mx32. It operates at a voltage of 3.3V and comes in an 86-Pin TSOP-II package, designed for industrial temperature applications. This high-performance DRAM provides reliable data storage and retrieval, making it suitable for various electronic devices, including computers and industrial equipment. The chip is widely available from multiple suppliers, often shipping within a few days based on inventory and location.

MT48LC4M32B2P-7 IT:G TR Pinout
| Pin Number | Pin Name | Function |
| 1 | Vss | Ground |
| 2 | DQ0 | Data Input/Output Bit 0 |
| 3 | DQ1 | Data Input/Output Bit 1 |
| 4 | DQ2 | Data Input/Output Bit 2 |
| 5 | DQ3 | Data Input/Output Bit 3 |
| 6 | DQ4 | Data Input/Output Bit 4 |
| 7 | DQ5 | Data Input/Output Bit 5 |
| 8 | DQ6 | Data Input/Output Bit 6 |
| 9 | DQ7 | Data Input/Output Bit 7 |
| 10 | Vdd | Power Supply (3.3V) |
| 11 | DQ8 | Data Input/Output Bit 8 |
| 12 | DQ9 | Data Input/Output Bit 9 |
| 13 | DQ10 | Data Input/Output Bit 10 |
| 14 | DQ11 | Data Input/Output Bit 11 |
| 15 | DQ12 | Data Input/Output Bit 12 |
| 16 | DQ13 | Data Input/Output Bit 13 |
| 17 | DQ14 | Data Input/Output Bit 14 |
| 18 | DQ15 | Data Input/Output Bit 15 |
| 19 | Vss | Ground |
| 20 | A0 | Address Bit 0 |
| 21 | A1 | Address Bit 1 |
| 22 | A2 | Address Bit 2 |
| 23 | A3 | Address Bit 3 |
| 24 | A4 | Address Bit 4 |
| 25 | A5 | Address Bit 5 |
| 26 | A6 | Address Bit 6 |
| 27 | A7 | Address Bit 7 |
| 28 | A8 | Address Bit 8 |
| 29 | A9 | Address Bit 9 |
| 30 | A10 | Address Bit 10 |
| 31 | BA0 | Bank Address Bit 0 |
| 32 | BA1 | Bank Address Bit 1 |
| 33 | CS | Chip Select |
| 34 | RAS | Row Address Strobe |
| 35 | CAS | Column Address Strobe |
| 36 | WE | Write Enable |
| 37 | CKE | Clock Enable |
| 38 | CLK | Clock |
| 39 | NC | No Connect |
| 40 | NC | No Connect |
| 41 | NC | No Connect |
| 42 | NC | No Connect |
| 43 | NC | No Connect |
| 44 | NC | No Connect |
| 45 | NC | No Connect |
| 46 | NC | No Connect |
| 47 | NC | No Connect |
| 48 | NC | No Connect |
| 49 | NC | No Connect |
| 50 | NC | No Connect |
| 51 | NC | No Connect |
| 52 | NC | No Connect |
| 53 | NC | No Connect |
| 54 | NC | No Connect |
| 55 | NC | No Connect |
| 56 | NC | No Connect |
| 57 | NC | No Connect |
| 58 | NC | No Connect |
| 59 | NC | No Connect |
| 60 | NC | No Connect |
| 61 | NC | No Connect |
| 62 | NC | No Connect |
| 63 | NC | No Connect |
| 64 | NC | No Connect |
| 65 | NC | No Connect |
| 66 | NC | No Connect |
| 67 | NC | No Connect |
| 68 | NC | No Connect |
| 69 | NC | No Connect |
| 70 | NC | No Connect |
| 71 | NC | No Connect |
| 72 | NC | No Connect |
| 73 | NC | No Connect |
| 74 | NC | No Connect |
| 75 | NC | No Connect |
| 76 | NC | No Connect |
| 77 | NC | No Connect |
| 78 | NC | No Connect |
| 79 | NC | No Connect |
| 80 | NC | No Connect |
| 81 | NC | No Connect |
| 82 | NC | No Connect |
| 83 | NC | No Connect |
| 84 | NC | No Connect |
| 85 | NC | No Connect |
| 86 | NC | No Connect |
Key Features of MT48LC4M32B2P-7 IT:G TR
The MT48LC4M32B2P-7 IT:G TR is a memory IC produced by Micron Technology, notable for its specific features and specifications. Here are the key details:
Type: SDRAM (Synchronous Dynamic Random Access Memory)
Density: 128 Mbit (16 MB)
Configuration: 4 Meg x 32 bits
Speed: Operates at a frequency of 143 MHz
Access Time: 5.5 ns
Package Type: 86-pin TSOP II (Thin Small Outline Package)
Operating Voltage: Typically operates at 3.3V
Temperature Range: Industrial temperature grade (IT), suitable for extended temperature applications
RoHS Compliant: Yes, indicating it meets environmental standards for hazardous substances
MT48LC4M32B2P-7 IT:G TR Specifications
Micron Technology offers a high-performance SDRAM memory IC called the MT48LC4M32B2P-7 IT:G TR. It is intended for use in a variety of applications, including embedded systems, computers, and automotive electronics. Here are its main attributes:
| Feature | Details |
| Manufacturer | Micron Technology Inc. |
| Memory Type | SDRAM |
| Memory Size | 128 Mbit (4M x 32) |
| Clock Frequency | 143 MHz |
| Access Time | 5.5 ns |
| Write Cycle Time | 14 ns (for word/page) |
| Voltage Supply | 3V to 3.6V |
| Operating Temperature Range | -40°C to 85°C |
| Package Type | 86-pin TSOP II (TFSOP-86) |
Advantages of Using MT48LC4M32B2P-7 IT:G TR
The MT48LC4M32B2P-7 IT:G TR is a high-performance SDRAM memory integrated circuit manufactured by Micron Technology. It offers several advantages that make it suitable for a variety of applications, including desktop computers, laptops, embedded systems, and industrial devices.
High Speed and Performance:
- Clock Frequency: Operates at a clock frequency of 143 MHz, enabling rapid data access essential for memory-intensive applications.
- Access Time: Features a fast access time of 5.5 ns, which is critical for applications requiring quick read and write operations.
Large Capacity:
- The memory IC has a capacity of 128 Mbit (4M x 32), allowing it to store a significant amount of data, which is beneficial for both consumer electronics and industrial applications.
Versatile Applications:
- Desktop Computers and Laptops: Provides temporary storage for data and program code during active processing.
- Embedded Systems: Ideal for IoT devices where it can store firmware and configuration information.
- Automotive Electronics: Used in managing engine control units (ECUs) and storing navigation data.
Robust Operating Conditions:
- Temperature Range: Operates effectively within a wide temperature range of -40°C to 85°C, ensuring reliability in diverse environmental conditions.
- Voltage Supply: Compatible with a voltage supply range of 3V to 3.6V, making it adaptable to different power supply requirements.
Efficient Packaging:
- Comes in an 86-pin TSOP II package, facilitating easy integration into compact circuit board designs. This packaging also supports automated production processes, enhancing manufacturing efficiency.
Low Power Consumption:
- Designed for low power usage, making it suitable for energy-efficient devices, which is increasingly important in modern electronics.
Advanced Features:
- Supports synchronous operations with features like auto-refresh and programmable burst lengths, which enhance its performance in high-speed data transfer scenarios.
How does the MT48LC4M32B2P-7 IT:G TR compare to other SDRAM chips?
The MT48LC4M32B2P-7 IT:G TR is a 128Mbit SDRAM chip manufactured by Micron Technology, notable for its performance specifications and applications. Here's a comparison of this chip with other SDRAM options:
Comparison with Other SDRAM Chips:
MT48LC4M32B2P-6:G
- Memory Size: 128 Mbit (same as MT48LC4M32B2P-7)
- Clock Frequency: 167 MHz (higher than MT48LC4M32B2P-7)
- Access Time: 5.4 ns (similar access time)
- Supply Current: 190 mA (higher than MT48LC4M32B2P-7)
- Operating Temperature Range: 0°C to 70°C (narrower range)
- This variant offers a higher clock frequency but operates at a limited temperature range, making it less versatile for extreme conditions.
MT48LC16M16A2P-6A IT:G TR
- Memory Size: 256 Mbit (larger capacity)
- Data Bus Width: 16 bits (narrower than MT48LC4M32B2P-7)
- Clock Frequency: 167 MHz (higher)
- Access Time: 5.4 ns (similar)
- Supply Current: 135 mA (lower than MT48LC4M32B2P-7)
- This chip provides a larger memory size but at the cost of a narrower data bus, which may limit throughput in specific applications.
Summary of Comparisons:
| Feature | MT48LC4M32B2P-7 IT:G TR | MT48LC4M32B2P-6:G | MT48LC16M16A2P-6A IT:G TR |
| Memory Size | 128 Mbit | 128 Mbit | 256 Mbit |
| Data Bus Width | 32 bits | 32 bits | 16 bits |
| Clock Frequency | 143 MHz | 167 MHz | 167 MHz |
| Access Time | 5.5 ns | 5.4 ns | 5.4 ns |
| Supply Voltage | 3V - 3.6V | 3V - 3.6V | 3V - 3.6V |
| Operating Temperature Range | -40°C to +85°C | 0°C to +70°C | -40°C to +85°C |
In conclusion, while being eclipsed by certain chips with higher clock speeds or larger capacity, the MT48LC4M32B2P-7 IT:G TR stands out for its balance of performance and operational flexibility, making it appropriate for a wide range of applications.
Key differences between the MT48LC4M32B2P-7 IT:G TR and other IC Chips
The MT48LC4M32B2P-7 IT:G TR is a specific type of SDRAM memory chip produced by Micron Technology. Here are the key differences between this chip and other integrated circuit (IC) chips:
Specifications:
- Type: The MT48LC4M32B2P-7 is a SDRAM (Synchronous Dynamic Random Access Memory) chip, specifically designed for high-speed memory applications. Other ICs may serve different purposes, such as microcontrollers, logic gates, or analog components.
- Capacity: This chip has a capacity of 128 Mbit (16 MB), which is typical for SDRAM but may differ significantly from other IC types, such as microcontrollers that might have varying amounts of flash memory or RAM.
- Speed: It operates at a frequency of 143 MHz with an access time of 5.5 ns, which is essential for applications requiring rapid data access. In contrast, other ICs may have different speed specifications depending on their function.
Form Factor and Packaging:
- Package Type: The MT48LC4M32B2P-7 comes in an 86-TSOP II package, which is a flat package used for surface mounting. Other ICs might be available in different package types like DIP (Dual In-line Package), QFN (Quad Flat No-lead), or BGA (Ball Grid Array), affecting their integration into circuits.
Functionality:
- Primary Use: This chip is primarily used in memory applications, such as in computers and embedded systems, where fast data retrieval is crucial. Other ICs may be designed for control functions, signal processing, or interfacing with sensors and other peripherals.
- Interface: The MT48LC4M32B2P-7 uses a parallel interface for communication, typical for SDRAM. In contrast, many modern ICs utilize serial interfaces like I2C or SPI for communication.
Power Consumption:
- Voltage Requirements: The MT48LC4M32B2P-7 typically operates at a voltage of 3.3V, which is common for SDRAM chips. Other ICs may have different voltage requirements based on their technology and application.
MT48LC4M32B2P-7 IT:G TR Applications
The MT48LC4M32B2P-7 IT:G TR is versatile and can be utilized in:
- Memory-Intensive Systems: Ideal for servers and storage systems that require significant memory resources.
- Embedded Systems: Suitable for devices needing high-speed data transfer while maintaining low power consumption, such as IoT devices and industrial applications.
- Digital Signal Processing: Applicable in audio/video processing, image recognition, and machine learning tasks where fast data handling is crucial.
- Consumer Electronics: Commonly found in desktop computers, laptops, and set-top boxes due to its reliable performance and efficiency.
Working Principle of MT48LC4M32B2P-7 IT:G TR
The MT48LC4M32B2P-7 IT:G TR is a type of Synchronous Dynamic Random Access Memory (SDRAM) produced by Micron Technology. Here’s an overview of its working principle:
Synchronous Operation:
The MT48LC4M32B2P-7 operates synchronously with the system clock, meaning all signals are registered on the positive edge of the clock. This synchronization allows for precise timing in data transfer, enhancing performance.
Pipelined Architecture:
It employs an internal pipelined architecture that allows it to perform multiple operations simultaneously. For instance, while one bank is being accessed, another can be precharged, effectively hiding the precharge time and enabling high-speed random access.
Banking Structure:
The memory is organized into four banks, each containing 1 Meg x 32 bits. This structure allows for concurrent operations across different banks, improving throughput and efficiency.
Addressing:
The device uses a combination of row and column addressing. The address bits registered with the ACTIVE command select the bank and row, while those registered with READ or WRITE commands select the column for burst access. This supports programmable burst lengths of 1, 2, 4, or 8 locations.
Auto Refresh and Power Management:
It features an auto-refresh capability that ensures data integrity by refreshing memory cells periodically. The device also supports self-refresh mode and power-down modes to save energy when not in use.
Voltage Compatibility:
The MT48LC4M32B2P-7 operates on a single power supply of 3.3V ±0.3V, making it compatible with various low-voltage applications.
Equivalent Parts of MT48LC4M32B2P-7 IT:G TR
The MT48LC4M32B2P-7 IT:G TR is a 128Mb SDRAM memory chip from Micron Technology, featuring a configuration of 4 Meg x 32 bits and designed for high-speed performance in various applications. If you're looking for equivalent parts, here are some alternatives:
| Part Number | Description | Notes |
| MT48LC4M32B2P-6A IT:G TR | 128Mb SDRAM, 4 Meg x 32, TSOP II | Slightly different speed grade |
| MT48LC4M32B2P-6A:L IT:G TR | Similar specifications with automotive temperature rating | May have a different operating temperature range |
| MT48LC4M32B2B5-6A IT:L TR | Another variant with similar specs | Check for specific application compatibility |
These alternatives maintain similar functionalities and specifications, but variations may exist in speed grades and temperature ratings. Always verify compatibility with your specific application requirements before making a selection.
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