Key facts
Start here
Silicon Storage Technology SST 28SF040 4 Megabit SuperFlash EEPROM Datasheet
The SST 28SF040 is a 512K x 8 bit CMOS sector erase, byte program EEPROM manufactured using Silicon Storage Technology's proprietary SuperFlash technology. It operates with a single 5.0-volt power supply and is compatible with industry standard EPROM, flash EPROM, and EEPROM pinouts. The device is designed for applications requiring reprogrammable nonvolatile mass storage of program, configuration, or data memory.
Read onlineSST 28SF040 specifications
| Memory Capacity | 4 Megabit (512K x 8) |
|---|---|
| Endurance | 100,000 Cycles (typical) |
| Data Retention | Greater than 100 years |
| Active Current | 15 mA (typical) |
| Standby Current | 5 uA (typical) |
| Byte Program Time | 35 us (typical) |
| Sector Erase Time | 2ms (typical) |
| Complete Memory Rewrite Time | 20 sec (typical) |
| Access Time | 120, 150, and 200 ns |
| Sector Size | 256 bytes per Sector |
Source: Silicon Storage Technology SST 28SF040 4 Megabit SuperFlash EEPROM Datasheet
All SST 28SF040 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the power supply requirement for the SST 28SF040?
The device erases and programs with a 5.0-volt only power supply.
From: Silicon Storage Technology SST 28SF040 4 Megabit SuperFlash EEPROM Datasheet
How can the end of a write cycle be detected?
The end of a write cycle can be detected by monitoring the Data# Polling bit, the Toggle bit, or by two successive reads of the same data.
From: Silicon Storage Technology SST 28SF040 4 Megabit SuperFlash EEPROM Datasheet