| Parameters | 
                                                                                                            
                                            | Mounting Type | Surface Mount | 
                                                                            
                                            | Package / Case | 64-LQFP | 
                                                                            
                                            | Supplier Device Package | 64-TQFP (14x14) | 
                                                                            
                                            | Operating Temperature | -40°C~85°C | 
                                                                            
                                            | Packaging | Tape & Reel (TR) | 
                                                                            
                                            | Series | 72V | 
                                                                            
                                            | Part Status | Obsolete | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 3 (168 Hours) | 
                                                                            
                                            | Voltage - Supply | 3V~3.6V | 
                                                                            
                                            | Base Part Number | 72V841 | 
                                                                            
                                            | Function | Synchronous | 
                                                                            
                                            | Current - Supply (Max) | 40mA | 
                                                                            
                                            | Memory Size | 72K 4K x 9 x 2 | 
                                                                            
                                            | Access Time | 10ns | 
                                                                            
                                            | Data Rate | 66.7MHz | 
                                                                            
                                            | Bus Directional | Bi-Directional | 
                                                                            
                                            | Retransmit Capability | No | 
                                                                            
                                            | FWFT Support | No | 
                                                                            
                                            | Programmable Flags Support | Yes | 
                                                                            
                                            | Expansion Type | Depth, Width | 
                                                                            
                                            | RoHS Status | Non-RoHS Compliant | 
                                                                                                    
                            
                         
                                                72V841L15PFI8 Overview
FIFO memory chip can be found in the 64-LQFP package.There is a case Tape & Reel (TR) in which it is packaged.In addition to storing applications and data, the FIFO chips have a memory of 72K 4K x 9 x 2 .It is recommended that the temperature of the system be regulated to -40°C~85°C for reliable operation.The FIFO memory's mounting type is Surface Mount .A voltage supply of 3V~3.6V is needed to operate it.It is a component from the 72V  series.A maximum operating supply current of 40mA is provided by this FIFO products.I believe it belongs to the 72V841 family of numbers.
72V841L15PFI8 Features
72K 4K x 9 x 2 memory size
72V series
Best part number of 72V841
72V841L15PFI8 Applications
There are a lot of Renesas Electronics America Inc. 72V841L15PFI8  FIFOs Memory applications. 
- Computer Systems
- GPS Offender Tracking
- Communications
- Consumer Systems
- Controlled baseline
- Video Processing
- Queues for communication systems
- TVs
- Event Recorder
- Temporary storage elements