In terms of its memory type, it can be classified as Volatile. It comes in a Tape & Reel (TR). As you can see, it is embedded in 165-TBGA case. There is an 4.5Mb 256K x 18 memory capacity on the chip. Memory data is stored in SRAM-format, which is common in mainstream devices. Featuring an extended operating temperature range of -40°C~85°C TA, this device allows it to be used in a variety of demanding applications. A supply voltage of 3.135V~3.465V can be applied to it. There is a recommended mounting type of Surface Mount for it. During the rotation of the clock, the ic memory chip is set as 166MHz. To select similar parts, many people use the device's base part number IDT71V3558.
71V3558SA166BQGI8 Features
Package / Case: 165-TBGA
71V3558SA166BQGI8 Applications
There are a lot of Renesas Electronics America Inc. 71V3558SA166BQGI8 Memory applications.