In terms of its memory type, it can be classified as Non-Volatile. There is a Tube case available. As you can see, it is embedded in 32-LCC (J-Lead) case. There is an 256Kb 32K x 8 memory capacity on the chip. There is a mainstream memory format used by this device, which is called EEPROM-format memory. Due to its wide temperature range of 0°C~70°C TC, this device is well suited to a wide range of applications that require high performance. It is capable of handling a voltage supply of 4.5V~5.5V. Its recommended mounting type is Surface Mount. It is common to select similar parts by referring to the device's base part number, AT28HC256.
AT28HC256E-90JC Features
Package / Case: 32-LCC (J-Lead)
AT28HC256E-90JC Applications
There are a lot of Microchip Technology AT28HC256E-90JC Memory applications.