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Dialog Improves System Performance

Non-volatile memory (NVM) is a key component at the heart of every system design. It holds critical data, controls how the system boots, and affects overall performance. Choosing the right NVM is key. We’re here to help. Our wide range of NVM products offer an array of features designed to help tune and optimize your system.

Octal xSPI Memory


xSPI (8x SPI)

High bandwidth

Low power

eXecute-in-Place (XiP)



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Dual / Quad SPI Memory


SPI, Dual, Quad

1.8V, 3.0V. Wide VCC

Ultra-low Energy, Low Power

7nA sleep

Battery monitor


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DataFlash SPI Memory

Fast Flexible Robust

Concurrent programming

Easy to use

Power fail protection

Data integrity

Low power modes


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Wafer KGD

Known Good Die program

Up to 125°C operating temperature

All voltage levels

  • 1.8V
  • 3.0V
  • Wide Voltage 1.65V to 3.6V

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Verified Memory for NXP

Low Power and high-speed SPI Flash solutions for NXP i.MX RT MCUs

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Verified Memory for ST Microelectronics

Dialog SPI Flash solutions verified on over 30 STM32 MCUs

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CBRAM Technology

CBRAM is a resistive RAM technology that provides power, speed, and cost benefits over other non-volatile memory technologies. It is well suited for battery powered devices, edge computing, and AI applications.

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2 weeks ago

Queries on Flash AT25PE40

Posted by Emb_sys 30 points 2 replies

We will be using Flash AT25PE40  in our product. i have following questions.

  1. What is time delay is required after power on (after stabilization of Vcc )  before first Flash operation (read / write / erase)?
  2. If Write protection pin is pulled up , is there any possibility that could cause maloperation ?
  3. If RESET is pulled up , is there any possibility that could cause maloperation ?
  4. After power off ,for 80 millisec time valid supply is there at flash. Does this time is sufficient for AT25PE40 ?
  5. Please mention any Errata for this AT25PE40 
accepted answer!

1 week ago

gordonmacnee 25 points

Table 16-1 in the datasheet tells us

The device will start initialising when Vcc is > 1V

Vccmin = 1.65V

Vccmin to /CS low for a READ command is 70us

Vccmin to /CS low for Prog or Erase is 3ms

The AT25PE40 part is based on the AT45DB041E DIE and so has been in production since 2012

We recommend that the /RESET and /WP pins are pulled high in noisy environments and this will NOT cause any problems


Not sure I understand what you are asking in question 4

Gordon MacNee (note that Dialog is now part of Renesas) 


1 week ago