SST 28PC040 is a 5.0V-only 4 Megabit PCMCIA Interface EEPROM. It features CMOS SuperFlash EEPROM technology, with endurance of 250,000 cycles and data retention of over 100 years. The product has characteristics such as low power consumption, fast erase and program operation, and fast access time.
The document describes the SST 28PC040, a 4 Megabit (1M x 4) EEPROM designed for PCMCIA applications using Silicon Storage Technology's proprietary CMOS SuperFlash technology. It operates with a single 5.0-volt power supply and offers high endurance of 250,000 cycles with data retention greater than 100 years.
The device features a split memory organization consisting of a common memory array (512K x 8) for user data and an attribute memory array (1K x 8) accessible via the REG# pin or Enable_Attribute command. Key operational characteristics include fast access times of 150ns and 250ns, low power consumption in active and standby modes, and hardware/software write protection mechanisms.
| Capacity | 4 Megabit (512K x 8 / 1M x 4) |
|---|---|
| Technology | CMOS SuperFlash EEPROM Technology |
| Endurance | 250,000 Cycles (typical) |
| Data Retention | Greater than 100 Years |
| Active Current | 15 mA (typical) |
| Standby Current | 5 uA (typical) |
| Byte Program Time | 30 us (typical) |
| Sector Erase Time | 60 us (typical) |
| Complete Memory Rewrite Time | 15 sec (typical) |
The device operates with a single 5.0-volt power supply.
It consists of a 1M-nibble common memory array and a 2K nibble attribute memory array.
The device offers fast access times of 150ns and 250ns.