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| Part Number | W7100A-S2E-100 | W7100A-100LQFP | W7100A-64QFN | W7100A-S2E-64 |
| Manufacturer | WIZnet | WIZnet | WIZnet | WIZnet |
| Package/Case | 100-LQFP | 100-LQFP | 64-VFQFN Exposed Pad | 64-VFQFN Exposed Pad |
| Series | - | - | - | - |
| Packaging | Tray | Tray | Bulk | Bulk |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete |
| Programmable | Not Verified | Not Verified | - | - |
| Core Processor | 8051 | 8051 | 8051 | 8051 |
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit |
| Speed | 25MHz | 25MHz | 25MHz | 25MHz |
| Connectivity | EBI/EMI, Ethernet, UART/USART | EBI/EMI, Ethernet, UART/USART | EBI/EMI, Ethernet, UART/USART | EBI/EMI, Ethernet, UART/USART |
| Peripherals | LED, WDT | LED, WDT | LED, WDT | WDT |
| Number of I/O | 32 | 32 | 32 | 32 |
| Program Memory Size | 64KB (64K x 8) | 64KB (64K x 8) | 64KB (64K x 8) | 64KB (64K x 8) |
| Program Memory Type | FLASH | FLASH | FLASH | FLASH |
| EEPROM Size | 256 x 8 | 256 x 8 | 256 x 8 | 256 x 8 |
| RAM Size | 64K x 8 | 64K x 8 | 64K x 8 | 64K x 8 |
| Voltage - Supply (Vcc/Vdd) | 3V ~ 3.6V | 3V ~ 3.6V | 3V ~ 3.6V | 3V ~ 3.6V |
| Data Converters | - | - | - | - |
| Oscillator Type | - | - | Internal | External |
| Operating Temperature | -40°C ~ 80°C (TA) | -40°C ~ 80°C (TA) | -40°C ~ 85°C | -40°C ~ 85°C |
| Grade | - | - | - | - |
| Qualification | - | - | - | - |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Supplier Device Package |
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