RAK15003 WisBlock 32kByte FRAM Module Datasheet

Overview

Figure 3680: RAK15003 WisBlock 32kByte FRAM Module

Description

RAK15003 is a WisBlock 32kByte FRAM module that extends the WisBlock system with an MB85RC256VPNF-G-JNERE1 memory module from Fujitsu. This module is interfaced via I2C. Additionally, it can be mounted to the sensor slot of the WisBlock Base board.

Product Features

• Sensor specifications

  • Temperature Range：-40 °C to +85 °C
  • I2C compatible digital interface, supports 1 MHz
  • Operating power supply current 200 uA (Max @ 1 MHz)
  • Standby current 27 uA (Typical)
  • 32,768 words x 8 bits
  • High Reliability：
    • Read/write endurance：1,000,000,000,000/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 RAK15003 module on a WisBlock Base board. The RAK15003 module can be mounted on the slots: A, C, D, E, & F.

Figure 3681: RAK15003 WisBlock 32kByte 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 RAK15003 WisBlock 32kByte FRAM Module.

Chipset

Vendor	Part Number
Fujitsu	MB85RC256VPNF-G-JNERE1

Pin Definition

The RAK15003 WisBlock 32kByte FRAM Module comprises a standard WisBlock connector. The WisBlock connector allows the RAK15003 module to be mounted to a WisBlock Base board. The pin order of the connector and the pinout definition are shown in Figure 3.

Figure 3682: RAK15003 WisBlock 32kByte 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 A	Slot C	Slot D	Slot E	Slot F
IO1	IO3	IO5	IO4	IO6

NOTE

RAK15003 should not be plugged in Slot B. It is a dedicated slot for IO2 (WisBlock IO2 pin) that controls the 3V3_S voltage output.

Electrical Characteristics

Recommended Operating Conditions

Symbol	Description	Min.	Nom.	Max.	Unit
VDD	Power supply for the module		3.3		V
Isb	Standby current	-	-	27	uA
Icc	Supply current, Read	-	-	200	uA
Icc	Supply current, Write	-	-	200	uA

Mechanical Characteristics

Board Dimensions

Figure 4 shows the dimensions and the mechanic drawing of the RAK15003 module.

Figure 3683: RAK15003 WisBlock 32kByte FRAM Module Mechanic Drawing

WisConnector PCB Layout

Figure 3684: WisConnector PCB footprint and recommendations

Schematic Diagram

Figure 6 shows the schematic of the RAK15003 module.

Figure 3685: RAK15003 WisBlock 32kByte FRAM Module schematics