| Parameters | 
                                                                                                            
                                            | Mounting Type | Through Hole | 
                                                                            
                                            | Package / Case | 28-CDIP (0.600, 15.24mm) | 
                                                                            
                                            | Supplier Device Package | 28-CerDip | 
                                                                            
                                            | Operating Temperature | -55°C~125°C | 
                                                                            
                                            | Packaging | Tube | 
                                                                            
                                            | Series | 7200 | 
                                                                            
                                            | Part Status | Active | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 
                                                                            
                                            | Voltage - Supply | 4.5V~5.5V | 
                                                                            
                                            | Base Part Number | 7203 | 
                                                                            
                                            | Function | Asynchronous | 
                                                                            
                                            | Current - Supply (Max) | 150mA | 
                                                                            
                                            | Memory Size | 18K 2K x 9 | 
                                                                            
                                            | Access Time | 20ns | 
                                                                            
                                            | Data Rate | 33.3MHz | 
                                                                            
                                            | Bus Directional | Uni-Directional | 
                                                                            
                                            | Retransmit Capability | Yes | 
                                                                            
                                            | FWFT Support | No | 
                                                                            
                                            | Programmable Flags Support | No | 
                                                                            
                                            | Expansion Type | Depth, Width | 
                                                                            
                                            | RoHS Status | Non-RoHS Compliant | 
                                                                            
                                            | Factory Lead Time | 10 Weeks | 
                                                                                                    
                            
                         
                                                7203L20DB Overview
FIFO memory chip is contained in the 28-CDIP (0.600, 15.24mm) package.This FIFO memory chip is packaged as a Tube .There is a memory of 18K 2K x 9 on the FIFO chip that can be used to store applications and data.Keeping the temperature at -55°C~125°C will ensure reliable operation.It is a Through Hole mounting type FIFO memory.This FIFO products operates at 4.5V~5.5V  volts.It belongs to the 7200 series of memory logics.150mA is the FIFO's maximum operating supply current.Memory IC is a member of the 7203  family.
7203L20DB Features
18K 2K x 9 memory size
7200 series
Best part number of 7203
7203L20DB Applications
There are a lot of Renesas Electronics America Inc. 7203L20DB  FIFOs Memory applications. 
- Measurement Equipment
- Network bridges
- Communications Systems
- Network switching/routing
- Microprogramming
- Firmware loaders
- Buses 
- Consumer
- Battery Charger
- Address mapping