EZ80F91GAZ0CEK
IC MCU 8BIT 256KB FLASH 144LQFP

Embedded Microcontrollers
144-LQFP
eZ80® Acclaim!®
Obsolete
$10.71 / unit (market reference)
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Zilog |
| Model | EZ80F91GAZ0CEK |
| Package / Case | 144-LQFP |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 105°C (TA) |
| Core Processor | eZ80 |
| Speed | 50MHz |
| Program Memory Size | 256KB (256K x 8) |
| RAM Size | 8K x 8 |
| Number of I/O | 32 |
| Voltage - Supply | 3V ~ 3.6V |
| Connectivity | Ethernet, I²C, IrDA, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Supplier Device Package | 144-LQFP (20x20) |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
EZ80F91GAZ0CEK by Zilog is a eZ80 microcontroller widely used in industrial control, motor drives, IoT devices, 3D printer mainboards, and consumer electronics. The 144-LQFP package fits automated SMT assembly. Operating temperature is -40°C ~ 105°C (TA) — verify your application environment. Pin-compatible domestic alternatives include GigaDevice GD32 series and Artery AT32 series — note GD32 ADC specs may differ slightly from ST originals.
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All Technical Specifications
| Speed | 50MHz |
| RAM Size | 8K x 8 |
| Core Size | 8-Bit |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Connectivity | Ethernet, I²C, IrDA, SPI, UART/USART |
| Number of I/O | 32 |
| Core Processor | eZ80 |
| Oscillator Type | Internal |
| Program Memory Size | 256KB (256K x 8) |
| Program Memory Type | FLASH |
| Voltage - Supply (Vcc/Vdd) | 3V ~ 3.6V |
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