As far as its memory type goes, it falls into the Non-Volatile category. In addition, memory ics is available in a Tube case as well. The 44-CLCC case contains it. 4Mb 512K x 8 is the chip's memory size. Memory data is stored in EEPROM-format, which is common in mainstream devices. Featuring an extended operating temperature range of -40°C~85°C TC, this device allows it to be used in a variety of demanding applications. There is a voltage range of 4.5V~5.5V for the supply voltage. There is a recommended mounting type of Surface Mount for it. When choosing similar parts, AT28C040 is frequently referred to as the device's base part number.
AT28C040-20LI Features
Package / Case: 44-CLCC
AT28C040-20LI Applications
There are a lot of Microchip Technology AT28C040-20LI Memory applications.