| Part Number | CQ82C55AZ | CQ82C55A | 
|---|---|---|
| Manufacturer | Renesas Electronics America Inc | Renesas Electronics America Inc | 
| Category | Interface - I/O Expanders | Interface - I/O Expanders | 
|   |   | |
| Product Status | Active | Obsolete | 
| Number of I/O | 24 | 24 | 
| Interface | Parallel | Parallel | 
| Interrupt Output | No | No | 
| Features | - | - | 
| Output Type | Open Drain | Open Drain | 
| Current - Output Source/Sink | 2.5mA | 2.5mA | 
| Clock Frequency | - | - | 
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 44-QFP | 44-QFP | 
| Supplier Device Package | 44-MQFP (10x10) | 44-MQFP (10x10) |