MC9RS08KA8CWJ vs MC9RS08KB12CWJ Comparison
Detailed side-by-side comparison of MC9RS08KA8CWJ by NXP Semiconductors and MC9RS08KB12CWJ by NXP Semiconductors. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
NXP Semiconductors
MC9RS08KA8CWJ - 8-bit RS08 MCU, 8KB Flash, 20MHz | NXP
MC9RS08KA8CWJ ⚠ Last Time BuyNXP Semiconductors
MC9RS08KB12CWJ - 8-bit RS08 MCU, 12KB Flash, 20MHz | NXP SOIC-20
MC9RS08KB12CWJ ✓ ActiveSpecification Comparison
| Parameter | MC9RS08KA8CWJ | MC9RS08KB12CWJ |
|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Last Time Buy | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.68 | $2.32 |
| Core Architecture | RS08 (8-bit, HC08 subset) | — |
| Data Bus Width | 8 bit | — |
| Program Memory Size | 8 KB Flash | — |
| Maximum CPU Frequency | 20 MHz | 20 MHz |
| Operating Voltage Range | 2.5 V to 5.5 V (also stated as 2.5V/3.3V/5V) | 2.5 V / 3.3 V / 5 V |
| Number of I/O Pins | 18 | — |
| Package | 20-SOIC Wide (20-SOIC W, Tube) | 20-SOIC (0.295 inch / 7.50 mm body width) |
| Mounting Type | Surface Mount (SMD/SMT) | Surface Mount |
| Pin/Package Count | 20 pins | — |
| Operating Temperature Range | -40 C to +85 C (Industrial) | [DATA_NEEDED: temperature grade from datasheet] |
| Instruction Set | Subset of HC08 with added BGND instruction | — |
| Peripherals | Keyboard Interface (KBI), Timers, Internal Clock Source | — |
| Packaging Method | Tube | — |
| RoHS Status | [DATA_NEEDED: RoHS status from data] | [DATA_NEEDED: RoHS status from official source] |
| MSL Level | [DATA_NEEDED: MSL level] | — |
| Core | — | RS08 (8-bit, HC08-compatible instruction subset) |
| Program Memory (Flash) | — | 12 KB (12K x 8) |
| RAM | — | 126 bytes |
| ADC | — | [DATA_NEEDED: ADC channels and resolution] |
| Timers | — | 8-bit timer with PWM channel |
| Analog Comparator | — | Integrated |
| Interrupt Architecture | — | Single global interrupt vector |
| Instruction Set Features | — | HC08 subset + BGND (background debug) |
| Debug Interface | — | Background Debug Mode (BDM) |
| Lead-Free | — | [DATA_NEEDED: lead-free reflow compatibility] |