MT40A4G8BAF-062E:B

IC DRAM 32GBIT PARALLEL 78FBGA
Part Description

IC DRAM 32GBIT PARALLEL 78FBGA

Quantity 575 Available (as of May 5, 2026)
Product CategoryMemory
ManufacturerMicron Technology Inc.
Manufacturing StatusObsolete
Manufacturer Standard Lead TimeRFQ
Datasheet

Specifications & Environmental

Device Package78-FBGA (10.5x11)Memory FormatDRAMTechnologySDRAM - DDR4
Memory Size32 GbitAccess Time13.75 nsGradeExtended / Automotive-like
Clock Frequency1.6 GHzVoltage1.14V ~ 1.26VMemory TypeNon-Volatile
Operating Temperature0°C ~ 95°C (TC)Write Cycle Time Word PageN/APackaging78-TFBGA
Mounting MethodNon-VolatileMemory InterfaceParallelMemory Organization4G x 8
Moisture Sensitivity LevelN/ARoHS ComplianceROHS3 CompliantREACH ComplianceREACH Unaffected
QualificationN/AECCNOBSOLETEHTS Code8542.32.0071

Overview of MT40A4G8BAF-062E:B – IC DRAM 32Gbit Parallel 78FBGA

The MT40A4G8BAF-062E:B is a 32 Gbit DDR4 SDRAM device from Micron Technology Inc., built on the TwinDie™ series architecture. It provides a parallel memory interface in a 78-TFBGA package intended for systems that require DDR4 DRAM capacity and performance.

Key technical characteristics include a 4G × 8 memory organization, a 1.6 GHz clock frequency, an access time of 13.75 ns, and an operating temperature range of 0°C to 95°C (TC), making it suitable for designs that require high-density DDR4 memory in a compact BGA package.

Key Features

  • Core / Memory Technology  DDR4 SDRAM technology with TwinDie™ series architecture and a DRAM memory format as specified for high-density memory implementations.
  • Capacity & Organization  32 Gbit total capacity arranged as 4G × 8 to support wide data bus implementations and high-density memory requirements.
  • Performance  Specified clock frequency of 1.6 GHz and an access time of 13.75 ns to characterize timing performance for system integration.
  • Interface  Parallel memory interface for direct integration with parallel DDR4 memory controllers.
  • Power  Operating voltage supply range specified at 1.14 V to 1.26 V for system power budgeting and regulator design.
  • Package  78-TFBGA package / 78-FBGA (10.5 × 11 mm) supplier device package for compact board-level mounting.
  • Thermal Range  Operating temperature range of 0°C to 95°C (TC) for thermal planning and reliability assessment.
  • Memory & Mounting Type (as specified)  Product data lists Memory Type and Mounting Type as Non-Volatile while the memory format is shown as DRAM; specifications are presented as provided.

Typical Applications

  • System Memory Modules  Used where a 32 Gbit DDR4 parallel memory component is required for board-level memory subsystems.
  • Embedded Memory Subsystems  Integrates into designs that need high-density DRAM with a parallel interface and compact BGA footprint.
  • High-Density Memory Arrays  Suitable for assemblies that combine multiple DRAM devices to achieve larger memory capacities while maintaining defined timing and voltage characteristics.

Unique Advantages

  • High Density 32 Gbit Capacity:  Provides substantial on-board memory capacity within a single DRAM device to reduce external component count.
  • TwinDie™ Architecture:  Specified series architecture that distinguishes the device family and informs system layout and memory planning.
  • Defined Performance Parameters:  1.6 GHz clock frequency and 13.75 ns access time provide clear timing targets for memory controller integration.
  • Compact BGA Package:  78-TFBGA / 78-FBGA (10.5 × 11 mm) package enables dense PCB placement and compact board designs.
  • Wide Operating Temperature:  0°C to 95°C (TC) operating range supports designs operating across typical commercial thermal environments.
  • Clear Power Envelope:  Voltage supply range of 1.14 V to 1.26 V simplifies power-supply design and margining.

Why Choose IC DRAM 32GBIT PARALLEL 78FBGA?

The MT40A4G8BAF-062E:B positions itself as a high-density DDR4 DRAM device with clearly defined electrical, timing, and thermal specifications for integration into board-level memory solutions. Its 32 Gbit capacity, 4G × 8 organization, and compact 78-FBGA package support designers who need substantial memory in a small footprint.

Engineers designing systems that require DDR4 parallel memory with specified clock, access-time, voltage, and temperature parameters will find the MT40A4G8BAF-062E:B suitable for planning and qualification. The provided specifications allow for predictable integration, scalability in memory arrays, and straightforward power and thermal considerations.

If you require pricing, availability, or a formal quote for the MT40A4G8BAF-062E:B, submit a request for a quote or contact sales to initiate an inquiry.

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