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Microchip Technology SST25PF040C40ISN Serial Flash Memory

The SST25PF040C is a 4 Mbit SPI serial flash memory device that operates at 3.3V, offering high-speed data transfer up to 40MHz. It features dual input/output support, flexible erase options including 4KB sectors and 64KB overlay blocks, and fast page programming. The device ensures superior reliability with 100,000 program/erase cycles and over 20 years data retention. Its ultra-low power consumption makes it suitable for automotive, industrial, and extended temperature applications, available in 8-lead SOIC, USON, and WDFN packages, and compliant with RoHS standards.

Authorized Distributors
Source:Newark
Part No:SST25PF040C-40I/SN
Stock:738
Inv Date:06-12-2026
Price: Unit price: $1.05
Buy/RFQ:
Source:DigiKey
Part No:SST25PF040C-40I/SN
Stock:538
Inv Date:06-12-2026
Price: Unit price: $1.02
Buy/RFQ:
Part No:SST25PF040C-40I/SN
Stock:961
Inv Date:06-13-2026
Price: Unit price: $1.08
Buy/RFQ:

Microchip Technology SST25PF040C40ISN Serial Flash Memory Specifications:

  • Memory Size: 4 Mbit
  • Voltage Range: 2.3-3.6V
  • Clock Frequency: Up to 40MHz
  • Package Options: 8-lead SOIC, USON (2mm x 3mm), WDFN (5mm x 6mm)
  • Endurance: 100,000 Cycles
  • Data Retention: >20 years
  • Active Read Current: 5 mA (typical)
  • Standby Current: 5 A (typical)
  • Power-down Standby Current: 3 pA (typical)
  • Erase Sectors: 4 KB, 64 KB overlay blocks
  • Page Program: 256 Bytes/Page, 4 ms per 256 bytes
  • Chip Erase Time: 250 ms
  • Sector Erase: 40 ms
  • Block Erase: 80 ms
  • Temperature Range: -40°C to +105°C (Extended), -40°C to +85°C (Industrial)
  • RoHS Compliant
  • Interface: SPI-compatible Mode 0 and Mode 3
  • Support for Dual Input/Output: BH, BBH
  • Hold Pin: Suspend serial sequence
  • Write Protection: Software and hardware block protection

Buy the Buy Microchip SST25PF040C Part Number SST25PF040C40ISN Online

Purchase the Microchip SST25PF040C serial flash memory online today to benefit from its high-speed data transfer, low power consumption, and exceptional reliability. Designed for industrial, automotive, and extended temperature environments, this 4 Mbit device offers fast read/write capabilities and versatile erase options including sector and block erases. Its compact packages such as SOIC, USON, and WDFN make integration seamless, ensuring efficient system performance. Order now and enhance your electronics with a dependable, high-performance memory solution.

Get Microchip SST25PF040C today—built for high-speed performance, reliability, and low power consumption in industrial and automotive applications.

Frequently Asked Questions

Where can I buy Microchip Technology SST25PF040C40ISN?

You can click on the BUY or RFQ button to purchase SST25PF040C40ISN from an authorized Microchip Technology distributor.

How do I troubleshoot issues or seek technical support for part SST25PF040C40ISN?

You can download the SST25PF040C40ISN datasheet or visit the Microchip Technology website for support.

Who is the manufacturer of SST25PF040C40ISN?

Microchip Technology

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