EZ80F91GAZ0BEG vs EZ80F91AZ050SG Comparison
Detailed side-by-side comparison of EZ80F91GAZ0BEG by Zilog and EZ80F91AZ050SG by Zilog. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | EZ80F91GAZ0BEG | EZ80F91AZ050SG |
|---|---|---|
| Brand | Zilog | Zilog |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $8.65 | $8.55 |
| Core Architecture | eZ80 (8-bit, Z80-compatible, 24-bit extended addressing) | eZ80 8-bit (Z80-compatible, pipelined, single-cycle) |
| Maximum CPU Clock | 50 MHz | — |
| Peak Performance | 10 MIPS (single-cycle instruction fetch) | — |
| Program Memory (Flash) | 256 KB (256K x 8) | 256 KB (256K x 8) |
| SRAM | 16 KB | — |
| Addressing Modes | Z80-compatible (64 KB) and full 24-bit (16 MB) | — |
| Operating Voltage | 3.0 V to 3.6 V | — |
| Operating Temperature | -40 C to +105 C | 0C to +70C (SG industrial/commercial grade per Zilog datasheet) |
| Ethernet MAC | 10/100 Mbps with MII/RMII interface | 10/100 Mbps EMAC with MII / RMII interface |
| USB Controller | USB 2.0 Full-Speed (12 Mbps) Device/Host | — |
| Crypto Accelerator | DES / 3DES / AES (ZGATE security feature) | — |
| ADC | 8-channel, 10-bit | — |
| Timers | 4 x 16-bit | 4 x 16-bit |
| UART | 2 x UART | 2 (one with IrDA support) |
| Peripherals | I2C, SPI, IrDA, RTC with separate power domain | — |
| Package | 144-LQFP (20 mm x 20 mm) | 144-LQFP, 20x20 mm |
| Mounting Type | Surface Mount | — |
| RoHS Status | Compliant | — |
| CPU Family | — | eZ80 Acclaim! |
| Maximum Clock Speed | — | 50 MHz |
| On-chip SRAM | — | 16 KB |
| External Memory Space | — | Up to 16 MB (24-bit linear) or 64 KB (Z80-compatible) |
| Instruction Set Width | — | 8-bit |
| Supply Voltage (VDD / VDDA) | — | 3.0 V to 3.6 V |
| DMA Channels | — | Multi-channel DMA controller |
| Watchdog Timer | — | Yes (integrated) |
| General-purpose I/O | — | 32 (parallel I/O lines) |
| SPI / I2C | — | 1 x SPI, 1 x I2C |
| USB | — | USB 2.0 Full-Speed (function) |
| Lead Finish | — | Matte Tin (Sn) lead-free, RoHS |
| MSL Level | — | [DATA_NEEDED: MSL moisture sensitivity level] |