MC9RS08KA2CDB vs MC9RS08KB4CWJ Comparison
Detailed side-by-side comparison of MC9RS08KA2CDB by NXP Semiconductors and MC9RS08KB4CWJ 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
MC9RS08KB4CWJ - 8-bit RS08 MCU, 4KB Flash, 20MHz | NXP
MC9RS08KB4CWJ ✗ End of LifeSpecification Comparison
| Parameter | MC9RS08KA2CDB | MC9RS08KB4CWJ |
|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Obsolete | End of Life |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $1.75 | $1.49 |
| Core Processor | RS08 | RS08 |
| Core Size | 8-bit | 8-bit |
| Maximum CPU Frequency | 20 MHz (10 MHz bus, per DigiKey) | — |
| Program Memory Size | 2 KB (2K x 8) Flash | 4 KB (4K x 8) Flash |
| RAM Size | 63 x 8 (63 bytes) | 126 B |
| EEPROM Size | None | None (Flash-based) |
| Number of I/O Pins | 4 GPIO | — |
| Supply Voltage (Vcc/Vdd) | 1.8 V to 5.5 V | — |
| Operating Temperature Range | -40C to +85C [DATA_NEEDED: full industrial grade range, datasheet not provided verbatim] | — |
| Package / Case | 6-DFN-EP (3 x 3 mm) | — |
| Mounting Type | Surface Mount | Surface Mount |
| Peripherals | LVD, POR, WDT, ACMP | LVD, POR, PWM, WDT |
| Connectivity | None (no UART, SPI, or I2C on this device) | I2C, SPI |
| Data Converters | [DATA_NEEDED: ADC channels on this specific device] | — |
| Oscillator Type | Internal [DATA_NEEDED: internal oscillator tolerance] | — |
| Instruction Set | Simplified S08 + LDA/STA/CLR extensions | HC08 subset + BGND |
| RoHS Status | Compliant (per distributor listing) | [DATA_NEEDED: RoHS compliance status] |
| MSL Level | [DATA_NEEDED] | [DATA_NEEDED: MSL moisture sensitivity level] |
| CPU Speed | — | 20 MHz |
| Number of I/O | — | 18 |
| Supply Voltage Range | — | 2.5 V to 5.5 V |
| Package | — | 20-pin SOIC (wide-body, tube) |
| Operating Temperature | — | -40C to +85C |
| Debug Interface | — | Background Debug Mode (BDM) |
| Data Bus Width | — | 8-bit |