The NY8A056A is an EPROM‑based 8‑bit MCU with 16 I/O pins, multiple timers, PWM, and a 340 mA IR carrier for home‑appliance and meter applications.
NY8A056A is an EPROM‑based 8‑bit microcontroller designed for I/O‑intensive applications such as home appliances and meter equipment. It uses a RISC architecture with 55 instructions and offers a wide operating voltage range, high noise immunity, and built‑in infrared carrier generation.
The device provides 96 bytes of SRAM, 1 K×14‑bit EPROM, three timers, two 8‑bit PWM modules, two buzzer outputs, and dual‑clock oscillators. It is available in several SOP and DIP packages and supports normal, slow, standby, and halt power modes.
| Operating Voltage (≤8 MHz) | 2.0 V ~ 5.5 V |
|---|---|
| Operating Voltage (>8 MHz) | 2.2 V ~ 5.5 V |
| Operating Temperature | -40 °C ~ 85 °C |
| EPROM Size | 1 K × 14 bits |
| SRAM Size | 96 bytes |
| General‑purpose I/O Pins | 16 |
| PWM Channels | Two 8‑bit PWM outputs |
| IR Carrier Current | 340 mA @ 3 V |
The MCU operates from 2.0 V to 5.5 V at system clocks ≤8 MHz, and from 2.2 V to 5.5 V at clocks >8 MHz.
It provides 16 individually controllable I/O pins.
The IR carrier can deliver up to 340 mA when powered at 3 V.
The device supports Normal, Slow, Standby, and Halt modes.