AT80C32X2-RLTUM vs W78E052DDG Comparison
Detailed side-by-side comparison of AT80C32X2-RLTUM by Microchip Technology and W78E052DDG by Nuvoton Technology Corporation. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
AT80C32X2-RLTUM - 8-Bit 8051 ROMless MCU, 40/20MHz, 44-VQFP | Microchip
AT80C32X2-RLTUM ✓ Active
Specification Comparison
| Parameter | AT80C32X2-RLTUM | W78E052DDG |
|---|---|---|
| Brand | Microchip Technology | Nuvoton Technology Corporation |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | NRND |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.20 | $1.60 |
| Core Architecture | 80C51 / 80C52 (8051-compatible) | — |
| Data Bus Width | 8-bit | — |
| Maximum Clock Frequency | 40 MHz (5 V) / 20 MHz (3 V) | 40 MHz |
| Program Memory Type | ROMless (external) | — |
| Program Memory Size | 0 KB (external up to 64 KB) | — |
| Data RAM | 256 bytes scratchpad | — |
| I/O Pins | 32 (4 ports x 8 bits) | — |
| Timers/Counters | 3 x 16-bit | — |
| UART | 1 full-duplex | 1 full-duplex UART |
| Interrupt Sources | 6 (2 priority levels) | — |
| Operating Voltage | 2.7 V to 5.5 V | — |
| Operating Temperature | -40C to +85C (industrial) | — |
| Package | 44-pin VQFP (10x10 mm) | 40-pin DIP |
| Mounting Type | Surface Mount | Through-hole |
| Process Technology | CMOS, 0.5 um | — |
| RoHS Status | Compliant | — |
| Lead-Free | Yes | — |
| MSL Level | 3 (per JEDEC J-STD-020) | — |
| Microcontroller Type | — | 8-bit 8051-compatible CISC microcontroller |
| Program Memory | — | 8 KB flash (8K × 8) |
| RAM | — | 256 bytes (256 × 8) |
| Number of I/O Pins | — | 36 pins |
| Operating Voltage Range | — | 2.4 V to 5.5 V |
| Mouser Temperature Grade | — | -40°C to 70°C |
| W78E052D Family Temperature Range | — | -40°C to 85°C |
| Architecture | — | 6T/12T configurable 8051 |
| Lead-Free Status | — | Pb-free |
| Lifecycle Status | — | Not Recommended for New Designs |
| Oscillator Type | — | [DATA_NEEDED: oscillator type] |
| Exact Individual Pinout | — | [DATA_NEEDED: pin 1 through pin 40 names and functions] |