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RAK15005 WisBlock 128kByte FRAM Module Datasheet

Overview

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Figure 1: RAK15005 WisBlock 128kByte FRAM Module

Description

RAK15005 is a WisBlock 128kByte FRAM module that extends the WisBlock system with a MB85RC1MTPNF memory module from Fujitsu. This module is interfaced via I2C. Additionally, it can be mounted to the sensor slot of the WisBlock Base board.

Features

  • Sensor specifications

    • Temperature Range:-40 °C to +85 °C
    • I2C compatible digital interface, supports 3.4 MHz
    • Operating power supply current:
      • 0.71 mA (Typ @ 3.4 MHz)
      • 1.2 mA (Max @ 3.4 MHz)
    • Standby current 15 uA (Typical)
    • 131,072 words x 8 bits
    • High Reliability:
      • Read/write endurance:10,000,000,000,000/byte
      • Data retention:
        • 10 years(+85 °C)
        • 95 years(+55 °C)
        • Over 200 years(+35 °C)
  • Size

    • 10 x 10 mm

Specifications

Overview

Mounting

Figure 2 shows the mounting mechanism of the RAK15005 module on a WisBlock Base board. The RAK15005 module can be mounted on the slots: A, C, D, E, & F.

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Figure 1: RAK15005 WisBlock 128kByte FRAM Module Mounting

Hardware

The hardware specification is categorized into five parts. It shows the chipset of the module and discusses the pinouts, sensors, and the corresponding functions and diagrams. It also covers the electrical and mechanical parameters, including the tabular data of the functionalities and standard values of the RAK15005 WisBlock 128kByte FRAM Module.

Chipset

VendorPart Number
FujitsuMB85RC1MTPNF

Pin Definition

The RAK15005 WisBlock 128kByte FRAM Module comprises a standard WisBlock connector. The WisBlock connector allows the RAK15005 module to be mounted to a WisBlock Base board. The pin order of the connector and the pinout definition are shown in Figure 3.

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Figure 1: RAK15005 WisBlock 128kByte FRAM Module Pinout Diagram

The WisBlock Sensor connector is also compatible for this module. IO used for WP pin at Pin 12 will depend on what sensor slot the module is plugged in. The table below shows the compatible pins used by different sensor slots:

WP (Write Protect Pin)

Slot ASlot CSlot DSlot ESlot F
IO1IO3IO5IO4IO6
NOTE

RAK15005 should not be plugged in Slot B as it is dedicated for IO2 (WisBlock IO2 pin) that controls the 3V3_S voltage output.

Electrical Characteristics

Recommended Operating Conditions
SymbolDescriptionMin.Nom.Max.Unit
VDDPower supply for the module3.3V
IstbStandby current--15uA
IccSupply current, Read--710uA
IccSupply current, Write--710uA

Mechanical Characteristics

Board Dimensions

Figure 4 shows the dimensions and the mechanic drawing of the RAK15005 module.

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Figure 1: RAK15005 WisBlock 128kByte FRAM Module Mechanic Drawing
WisConnector PCB Layout
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Figure 1: WisConnector PCB footprint and recommendations

Schematic Diagram

Figure 6 shows the schematic of the RAK15005 module.

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Figure 1: RAK15005 WisBlock 128kByte FRAM Module schematics