In this case, the memory type of the device can be classified as Non-Volatile. Case Tube is available. As you can see, it is embedded in 28-DIP (0.600, 15.24mm) case. 256Kb 32K x 8 is the chip's memory size. This device uses a EEPROM-format memory, which is of mainstream design. Suitable for use in a wide range of demanding applications, this device offers an extended operating temperature range of -40°C~85°C TC. A supply voltage of 4.5V~5.5V can be applied to it. As far as the mounting type is concerned, Through Hole is recommended. To select similar parts, many people use the device's base part number AT28HC256.
AT28HC256-90PI Features
Package / Case: 28-DIP (0.600, 15.24mm)
AT28HC256-90PI Applications
There are a lot of Microchip Technology AT28HC256-90PI Memory applications.