Description

The SST25VF040B-40-4C-SAE-TT078-T is a part of the 25 series Serial Flash family. It features a four-wire, SPI compatible interface, making it suitable for low pin-count packages. This not only saves board space but also reduces total system costs. The SST25VF040B devices have improved operating frequency and lower power consumption compared to previous models.

Specifications and features

• Single Voltage Read and Write Operations
  • 2.7-3.6V
• Serial Interface Architecture
  • SPI Compatible: Mode 0 and Mode 3
• High Speed Clock Frequency
  • Up to 50/80 MHz
• Superior Reliability
  • Endurance: 100,000 Cycles (typical)
  • Greater than 100 years Data Retention
• Low Power Consumption:
  • Active Read Current: 10 mA (typical)
  • Standby Current: 5 µA (typical)
• Flexible Erase Capability
  • Uniform 4 KByte sectors
  • Uniform 32 KByte overlay blocks
  • Uniform 64 KByte overlay blocks
• Fast Erase and Byte-Program:
  • Chip-Erase Time: 35 ms (typical)
  • Sector-/Block-Erase Time: 18 ms (typical)
  • Byte-Program Time: 7 µs (typical)
• Auto Address Increment (AAI) Programming
  • Decrease total chip programming time over Byte-Program operations
• End-of-Write Detection
  • Software polling the BUSY bit in Status Register
  • Busy Status readout on SO pin in AAI Mode
• Hold Pin (HOLD#)
  • Suspends a serial sequence to the memory without deselecting the device
• Write Protection (WP#)
  • Enables/Disables the Lock-Down function of the status register
• Software Write Protection
  • Write protection through Block-Protection bits in status register
• Temperature Range
  • Commercial: 0°C to +70°C
  • Industrial: -40°C to +85°C
• Packages Available
  • 8-lead SOIC (200 mils)
  • 8-lead SOIC (150 mils)
  • 8-contact WSON (6mm x 5mm)
• All devices are RoHS compliant

Application Scenarios

The SST25VF040B-40-4C-SAE-TT078-T is commonly used in electronic devices that require non-volatile memory storage with high reliability and low power consumption. It can be found in various applications such as consumer electronics, industrial control systems, and automotive electronics.

Comparison

• Low pin-count package, saving board space
• Improved operating frequency
• Lower power consumption
• Superior reliability with high endurance and long data retention
• Flexible erase capability with uniform sectors and overlay blocks
• Fast erase and byte-programming times
• Auto Address Increment (AAI) programming to decrease total chip programming time
• End-of-Write detection for efficient programming
• Hold pin for easy suspension of serial sequences
• Write protection options for data security
• Wide temperature range options for different environments
• Multiple package options for design flexibility
• RoHS compliant

No significant disadvantages have been found for the SST25VF040B-40-4C-SAE-TT078-T model.