MC9RS08KA8CWJ vs MC9RS08KA4CWJR Comparison
Detailed side-by-side comparison of MC9RS08KA8CWJ by NXP Semiconductors and MC9RS08KA4CWJR 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
MC9RS08KA4CWJR - RS08 8-bit MCU, 4KB Flash, 20MHz | NXP (Tape & Reel)
MC9RS08KA4CWJR ✓ ActiveSpecification Comparison
| Parameter | MC9RS08KA8CWJ | MC9RS08KA4CWJR |
|---|---|---|
| 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 | $1.02 |
| Core Architecture | RS08 (8-bit, HC08 subset) | RS08 (HC08 subset) |
| Data Bus Width | 8 bit | 8 bit |
| Program Memory Size | 8 KB Flash | 4 KB (4K x 8) FLASH |
| Maximum CPU Frequency | 20 MHz | — |
| Operating Voltage Range | 2.5 V to 5.5 V (also stated as 2.5V/3.3V/5V) | — |
| Number of I/O Pins | 18 | — |
| Package | 20-SOIC Wide (20-SOIC W, Tube) | 20-SOIC (SOIC-20) |
| Mounting Type | Surface Mount (SMD/SMT) | Surface Mount |
| Pin/Package Count | 20 pins | — |
| Operating Temperature Range | -40 C to +85 C (Industrial) | -40C to +85C |
| 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 compliance status] |
| MSL Level | [DATA_NEEDED: MSL level] | [DATA_NEEDED: MSL rating] |
| Maximum CPU Clock Frequency | — | 20 MHz |
| RAM Size | — | [DATA_NEEDED: RAM size] |
| Number of I/O Pins (GPIO) | — | 4 |
| Operating Supply Voltage Range | — | 1.8 V to 5.5 V (per RS08KA family) |
| Internal Oscillator | — | Yes (integrated clock source) |
| A/D Converter | — | [DATA_NEEDED: ADC channels/resolution] |
| Timers | — | [DATA_NEEDED: timer module count] |
| Communication Interfaces | — | [DATA_NEEDED: SCI/SPI/I2C modules] |
| Lead-Free | — | [DATA_NEEDED: lead-free status] |
| AEC-Q100 Qualified | — | No |