Volatile is its memory type. It is available in a case with a Tube shape. As you can see, it is embedded in 32-BSOJ (0.400, 10.16mm Width) case. 1Mb 128K x 8 is the chip's memory size. As with most mainstream devices, this one uses SRAM-format memory. Due to its wide operating temperature range, this device can be used in a wide variety of demanding applications. With 4.5V~5.5V as the supply voltage, it is capable of handling memory ics. There is a recommended mounting type of Surface Mount for it. It is common to select similar parts by referring to the device's base part number, IDT71124.
IDT71124S20YI Features
Package / Case: 32-BSOJ (0.400, 10.16mm Width)
IDT71124S20YI Applications
There are a lot of Renesas Electronics America Inc. IDT71124S20YI Memory applications.