| Part Number | P89LPC901FN,129 | P89LPC902FN,129 | 
|---|---|---|
| Manufacturer | NXP USA Inc. | NXP USA Inc. | 
| Category | Embedded - Microcontrollers | Embedded - Microcontrollers | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Core Processor | 8051 | 8051 | 
| Core Size | 8-Bit | 8-Bit | 
| Speed | 18MHz | 7.3728MHz | 
| Connectivity | - | - | 
| Peripherals | Brown-out Detect/Reset, LED, POR, PWM, WDT | Brown-out Detect/Reset, LED, POR, WDT | 
| Number of I/O | 6 | 6 | 
| Program Memory Size | 1KB (1K x 8) | 1KB (1K x 8) | 
| Program Memory Type | Flash | Flash | 
| EEPROM Size | - | - | 
| RAM Size | 128 x 8 | 128 x 8 | 
| Voltage - Supply (Vcc/Vdd) | 2.4V ~ 3.6V | 2.4V ~ 3.6V | 
| Data Converters | - | - | 
| Oscillator Type | Internal | Internal | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Through Hole | Through Hole | 
| Package / Case | 8-DIP (0.300", 7.62mm) | 8-DIP (0.300", 7.62mm) | 
| Supplier Device Package | 8-DIP | 8-DIP |