There is a memory type Non-Volatile for this type of device. Tube-cases are available. In the case of 28-DIP (0.600, 15.24mm), it is embedded within the case. The chip has an 64Kb 8K x 8 memory. Memory data is stored in EEPROM-format, which is common in mainstream devices. Due to its wide operating temperature range, this device can be used in a wide variety of demanding applications. The device is capable of handling a supply voltage of 4.5V~5.5V. There is a recommendation that Through Hole mounting type should be used for this product. AT28HC64, as the device's base part number, is frequently referred in order to select similar parts.
AT28HC64B-90PI Features
Package / Case: 28-DIP (0.600, 15.24mm)
AT28HC64B-90PI Applications
There are a lot of Microchip Technology AT28HC64B-90PI Memory applications.