| Part Number | ACE1101EMT8X | ACE1101BEMT8X | 
|---|---|---|
| Manufacturer | Fairchild Semiconductor | onsemi | 
| Category | Embedded - Microcontrollers | Embedded - Microcontrollers | 
|   |   | |
| Product Status | Active | Obsolete | 
| Core Processor | ACE1001 | ACE1001 | 
| Core Size | 8-Bit | 8-Bit | 
| Speed | 4MHz | 4MHz | 
| Connectivity | - | - | 
| Peripherals | Brown-out Detect/Reset, LVD, POR, PWM, WDT | Brown-out Detect/Reset, LVD, POR, PWM, WDT | 
| Number of I/O | 6 | 6 | 
| Program Memory Size | 1KB (1K x 8) | 1KB (1K x 8) | 
| Program Memory Type | EEPROM | EEPROM | 
| EEPROM Size | 64 x 8 | 64 x 8 | 
| RAM Size | 64 x 8 | 64 x 8 | 
| Voltage - Supply (Vcc/Vdd) | 2.2V ~ 5.5V | 2.7V ~ 5.5V | 
| Data Converters | - | - | 
| Oscillator Type | External, Internal | Internal | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 8-TSSOP (0.173", 4.40mm Width) | 8-TSSOP (0.173", 4.40mm Width) | 
| Supplier Device Package | 8-TSSOP | 8-TSSOP |