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| Part Number | ACE1502EMT8 | ACE1502EMT8X | ACE1501EMT8 | ACE1502EM8 | 
|---|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor | Fairchild Semiconductor | Fairchild Semiconductor | 
| Product Status | Active | Active | Active | Active | 
| Core Processor | ACE1502 | ACE1502 | ACE1502 | ACE1502 | 
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit | 
| Speed | 25MHz | 25MHz | 25MHz | 25MHz | 
| Connectivity | - | - | - | - | 
| Peripherals | Brown-out Detect/Reset, LVD, POR, PWM, WDT | Brown-out Detect/Reset, LVD, POR, PWM, WDT | Brown-out Detect/Reset, LVD, POR, PWM, WDT | Brown-out Detect/Reset, LVD, POR, PWM, WDT | 
| Number of I/O | 8 | 8 | 8 | 8 | 
| Program Memory Size | 2KB (2K x 8) | 2KB (2K x 8) | 1KB (1K x 8) | 2KB (2K x 8) | 
| Program Memory Type | EEPROM | EEPROM | EEPROM | EEPROM | 
| EEPROM Size | 64 x 8 | 64 x 8 | 64 x 8 | 64 x 8 | 
| RAM Size | 64 x 8 | 64 x 8 | 64 x 8 | 64 x 8 | 
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 1.8V ~ 3.6V | 
| Data Converters | - | - | - | - | 
| Oscillator Type | Internal | Internal | Internal | Internal | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | 8-TSSOP (0.173", 4.40mm Width) | 8-TSSOP (0.173", 4.40mm Width) | 8-TSSOP (0.173", 4.40mm Width) | 8-SOIC (0.154", 3.90mm Width) | 
| Supplier Device Package | 8-TSSOP | 8-TSSOP | 8-TSSOP | 8-SOIC |