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2 layers19.8 × 30 mmFRAM01, the printed circuit board in 3D

8 Mbit FRAM (CY15B108QN) fast data write, low power consumption, and high radiation resistance data storage

Size
19.8 × 30 mm
Copper layers
2
Thickness
1.6 mm
Parts
12
Nets
8
Pads
34
Tracks, vias
29, 2
Pours
1
Routed
Yes
KiCad
KiCad 7 (file 20221018)
Created
12 Jan 2023
Updated
4 Oct 2023

Overview

FRAM01 is an open-source printed circuit board by mlab-modules, from the mlab-modules/FRAM01 repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 19.8 × 30 mm with 12 parts on 8 nets, routed with 29 tracks and 2 vias.

It is built around the CY15B108QN-40SXI. Its parts include 2 capacitors, 2 connectors, 1 IC and 1 diode.

Main components

1

README

README.md

MLAB module with FRAM memory - CY15B108QN

The MLAB module with FRAM (Ferroelectric Random Access Memory) CY15B108QN provides a unique combination of features that outperform traditional forms of non-volatile memories such as Flash or EEPROM.

Advantages of FRAM memory

FRAM, also known as Ferroelectric Random Access Memory, offers a range of key advantages that differentiate it and make it suitable for various applications:

  1. Fast data write: FRAM allows fast data write with speeds comparable to the read speed. This property is much faster than writing data to Flash or EEPROM memories.

  2. Low power consumption: The process of writing to FRAM requires less energy than writing to Flash or EEPROM memories due to high speed.

  3. Very high write/read cycles: FRAM can undergo approximately 10¹⁵ write and read cycles, which is much more than other forms of non-volatile memories.

  4. High radiation resistance: Due to its unique physical operation principle, FRAM is more resistant to radiation than other types of memories. The ferroelectric material used to store data can hold an electrical charge without the need for power. This means that once a bit is written to a memory cell, it stays there until something physically changes it. This property, known as polarization, allows FRAM to resist ionizing radiation that can cause random changes in the value of the charge in other types of memories.

For a more comprehensive understanding of FRAM, you can refer to the FRAM Wikipedia page.

Suitable use cases for FRAM memory

Thanks to these unique properties, FRAM is suitable for a range of applications, including:

  1. Industrial automation: For quick data logging and applications that require a large number of writes.

  2. Energy measurement: Where there is a need to write data quickly and frequently with low energy consumption.

  3. Automotive applications: FRAM is resistant to radiation and temperature fluctuations, making it ideal for use in the automotive industry.

  4. Aerospace and defense applications: Thanks to its resistance to ionizing radiation, FRAM is an ideal choice for applications that are exposed to high levels of radiation.

Parameters of CY15B108QN FRAM memory

  • Capacity: 8 Mbit (1024K x 8)
  • Power supply: 1.8V to 3.6V
  • Interface: SPI, up to 40 MHz
  • Write speed: 14 ns
  • Endurance: 10^15 write and read cycles
  • Data retention: 151 years at 85°C

For detailed information on CY15B108QN FRAM memory, please refer to the datasheet.

This module is perfectly tailored for demanding applications that require high write speed, high reliability and durability, and low power consumption. Take advantage of the benefits of FRAM memory in the MLAB module with CY15B108QN.

Module schematics

Link to FRAM01 schematic

Overview of the MLAB module form factor

The MLAB modules provide a standard for developing modular solutions. They offer versatile usage as they can be either standalone modules for specific tasks or used as building blocks for more complex systems. The compact form factor along with the robust design of the MLAB modules ensures their effectiveness in a variety of applications. The MLAB system contains a wide range of electronic modules, each serving a specific function, which allows for great flexibility in designing electronic systems.

Parts

12
QtyValueFootprintReferences
2FiducialFiducial:Fiducial_1mm_Mask2mmFID1, FID2
2HOLEMlab_Mechanical:MountingHole_3mmM3, M4
2HOLE M3Mlab_Mechanical:MountingHole_3mmM1, M2
1100nFCapacitor_SMD:C_0805_2012MetricC2
110uFCapacitor_SMD:C_0805_2012MetricC1
1BZT52H-C3V6,115Diode_SMD:D_SOD-123FD1
1CY15B108QN-40SXIKiCad:SOIC127P800X203-8NIC1
1HEADER_2x03_PARALLELConnector_PinHeader_2.54mm:PinHeader_2x03_P2.54mm_VerticalJ1
1HEADER_2x04Connector_PinHeader_2.54mm:PinHeader_2x04_P2.54mm_VerticalJ2

Questions

How big is the FRAM01 PCB?

It measures 19.8 × 30 mm and has 2 copper layers, 1.6 mm thick.

What parts does the FRAM01 use?

12 parts, built around the CY15B108QN-40SXI. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the FRAM01 KiCad files?

From the mlab-modules/FRAM01 repository on GitHub, at the commit this page was made from: the board is hw/sch_pcb/FRAM01.kicad_pcb and its schematic hw/sch_pcb/FRAM01.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the FRAM01 design in my own project?

Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

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