| Manufacturer | Renesas Electronics America Inc |
| Package | Tube |
| Description | I/O Expander 24 Parallel 44-MQFP (10×10) |
| Voltage – Supply | 4.5V ~ 5.5V |
| Product Status | Obsolete |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Style | Surface Mount |
| Package / Case | 44-QFP |
| Supplier Device Package | 44-MQFP (10×10) |
| Base Product Number | IQ82C55 |
| Product Type: | I/O Expanders |
The “IQ82C55AZ” is a programmable peripheral interface (PPI) device from Renesas, offering 24-bit programmable I/O across three 8-bit ports. It supports multiple modes, including basic I/O, strobed I/O, and bidirectional bus, making it versatile for microprocessor systems. Available in dual in-line (DIP) or surface-mount (SOP) packages, it operates typically at 5V. This device is ideal for applications needing flexible I/O capabilities, such as embedded systems, instrumentation, and control systems.