As far as memory types are concerned, Non-Volatile is considered to be its memory type. Case Tube is available. The file is embedded in a 32-LCC (J-Lead) case. The memory size of the chip is 256Kb 32K x 8 Mb. As with most mainstream devices, this one uses FLASH-format memory. The device's extended operating temperature range of -40°C~85°C TC makes it ideal for many demanding applications. There is a voltage range of 4.5V~5.5V for the supply voltage. Its recommended mounting type is Surface Mount. To select similar parts, many people use the device's base part number AT29C257.
AT29C257-70JI Features
Package / Case: 32-LCC (J-Lead)
AT29C257-70JI Applications
There are a lot of Microchip Technology AT29C257-70JI Memory applications.