EZ80F91AZ050EG vs EZ80F91AZ050SG Comparison
Detailed side-by-side comparison of EZ80F91AZ050EG 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 | EZ80F91AZ050EG | EZ80F91AZ050SG |
|---|---|---|
| Brand | Zilog | Zilog |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $11.85 | $8.55 |
| Core Architecture | eZ80 (Z80-compatible CISC, 24-bit linear addressing) | eZ80 8-bit (Z80-compatible, pipelined, single-cycle) |
| Data Bus Width | 8-bit | — |
| Maximum Clock Frequency | 50 MHz | — |
| Program Memory (Flash) | 256 KB (256K x 8) | 256 KB (256K x 8) |
| SRAM | 16 KB | — |
| External Memory Address Space | 16 MB (24-bit linear) | — |
| Supply Voltage | 3.3 V | — |
| General-Purpose I/O | 32 | — |
| 16-bit Timers | 4 | — |
| Ethernet MAC | 10/100 Mbps EMAC with MII/RMII | 10/100 Mbps EMAC with MII / RMII interface |
| UART | 2 (with IrDA support) | 2 (one with IrDA support) |
| SPI / I2C | Yes / Yes | 1 x SPI, 1 x I2C |
| Package | 144-LQFP (20 x 20 mm) | 144-LQFP, 20x20 mm |
| Operating Temperature | -40 °C to +85 °C | 0C to +70C (SG industrial/commercial grade per Zilog datasheet) |
| 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 |
| Timers | — | 4 x 16-bit |
| Watchdog Timer | — | Yes (integrated) |
| General-purpose I/O | — | 32 (parallel I/O lines) |
| USB | — | USB 2.0 Full-Speed (function) |
| Lead Finish | — | Matte Tin (Sn) lead-free, RoHS |
| MSL Level | — | [DATA_NEEDED: MSL moisture sensitivity level] |