MC908AB32CFUE - 8-Bit 8MHz MCU, 32KB Flash | NXP
MPN: MC908AB32CFUE ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $37.9747 | $37.97 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
MC908AB32CFUE Overview
The relevant product class is a microcontroller rather than a general-purpose processor. A microcontroller integrates a CPU, program memory, data memory, and peripherals such as timers, serial interfaces, interrupt control, and I/O ports on one device. The MC908AB32CFUE is identified as an HC08 MCU with 32K x 8 Flash organization and 8MHz operation, making it suitable for legacy industrial, appliance, instrumentation, and control systems where an established HC08 software and hardware ecosystem is required.
The principal verified features are the 8-bit architecture, 8MHz operating frequency, 32KB embedded Flash, 512-byte EEPROM, and 64-QFP package. The combination of Flash and EEPROM allows firmware to reside in program memory while calibration, configuration, or user data can be retained in EEPROM. The exact supply voltage, RAM size, I/O count, timer resources, and electrical timing values are not included in the supplied verified data and must be checked in the manufacturer datasheet before final design release.
The MC908AB32CFUE is an End of Life part according to the NXP product-page search result. Engineers should therefore treat availability as constrained and avoid starting new high-volume designs unless product longevity, sourcing, and migration are explicitly approved. A replacement must be checked for package pins, memory-map compatibility, interrupt behavior, peripheral equivalence, clock requirements, and firmware changes rather than selected only by nominal processor speed.
Typical HC08 applications include motor and appliance control, simple keypad interfaces, sensor acquisition, low-cost industrial controllers, and legacy embedded products. For a new design, the 8MHz CPU and 32KB Flash provide a modest control platform, while the 512-byte EEPROM is useful for small persistent parameters. The available verified data does not state a specific peripheral set, so feature-level suitability must be confirmed from the datasheet.
The key purchasing consideration is supply continuity: the official NXP page identifies the part as End of Life, while distributor listings show the MC908AB32CFUE as an HC08 8-bit, 8MHz, 32KB-Flash, 64-QFP device. Check current distributor inventory, traceability, and authorized-channel status before committing a design.
This page consolidates the verified manufacturer and distributor information, practical lifecycle considerations, and the supplied comparison data. It does not invent electrical ratings, pin assignments, or equivalent parts where the provided sources do not establish them.
Drop-in alternatives for MC908AB32CFUE — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with MC908AB32CFUE (same form factor and footprint) — differing in RAM Size, Package, Core Architecture, ADC, Program Memory Size.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MC908AB32MFUE
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →MC908GZ60CFUE
✅ Drop-In✓ In Stock
$9.25 / Unit
View Datasheet →MC908GZ60VFUE
✅ Drop-In📋 Reference alternative (not in catalog)
MC908AP16ACFBE
✅ Drop-In📋 Reference alternative (not in catalog)
MC908MR32CFUE
✅ Drop-In✓ In Stock
$7.15 / Unit
View Datasheet →MC908AB32CFUE Maximum Ratings & Electrical Characteristics
| Product Type | 8-bit microcontroller |
| Architecture | M68HC08 / HC08 |
| CPU Frequency | 8 MHz |
| Flash Program Memory | 32 KB |
| Flash Organization | 32K x 8 |
| EEPROM | 512 bytes |
| Package | 64-QFP |
| Package Dimensions | 14 mm x 14 mm |
| Mounting Type | Surface Mount |
| Core | HC08 8-bit MCU core |
| Application Class | Embedded control |
| Memory Type | Embedded Flash and EEPROM |
MC908AB32CFUE 14 mm x 14 mm Pin Configuration Guide
Pin configuration for MC908AB32CFUE (14 mm x 14 mm package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for MC908AB32CFUE.
Refer to the datasheet for full pin configuration.
Typical Applications
MC908AB32CFUE is suitable for 6 applications: Legacy Appliance Control, Small Industrial Controller, Instrumentation and Sensor Interface, Motor and Actuator Sequencing, Data Logger with Persistent Configuration, Legacy Peripheral and IO Expansion.
Legacy Appliance Control
The MC908AB32CFUE fits legacy appliance-control platforms that already use an HC08 controller and need a modest 8MHz processing rate with nonvolatile configuration storage. Its 32KB embedded Flash provides room for control firmware, while the verified 512-byte EEPROM can retain small parameters such as operating mode, calibration constants, counters, or service settings. The device is supplied in a 64-QFP, 14mm x 14mm surface-mount package for compact control boards. The major qualification concern is lifecycle: NXP labels the part End of Life, so new appliance programs should secure supply approval before design release. Existing products may benefit from proven software compatibility, but RAM size, GPIO availability, timers, voltage range, and temperature limits must be confirmed in the manufacturer datasheet before selecting it.
Recommended
Small Industrial Controller
The MC908AB32CFUE can serve as the control MCU in a small industrial controller built around an established HC08 toolchain. Its 8-bit core and 8MHz frequency are appropriate for supervisory logic, state machines, keypad scanning, discrete I/O control, and simple actuator sequencing, while the 32KB Flash supports a compact control application. The 512-byte EEPROM is useful for persistent setpoints or manufacturing parameters, although endurance and write timing are not included in the supplied data. A 64-QFP footprint allows direct assembly on a conventional control PCB, but the complete pinout and electrical limits remain necessary for layout and safety review. Because the official NXP page reports End of Life, industrial users should assess long-term sourcing and qualification impact before adopting it for new equipment.
Recommended
Instrumentation and Sensor Interface
MC908AB32CFUE may be suitable for a low-cost instrumentation front end when the existing system architecture is based on the HC08 family. The 8MHz MCU can supervise sensor sampling sequences, perform calibration logic, debounce switch inputs, format status information, and manage a simple user interface. The verified 32KB Flash provides program storage, while 512 bytes of EEPROM can hold limited configuration or calibration data. The available verified data does not specify ADC channels, serial interfaces, comparator resources, or analog operating characteristics, so it cannot be assumed to support a particular sensor bus or measurement accuracy. Engineers should review the datasheet and errata, then validate timing and analog behavior in the target instrument. End-of-Life status makes this strongest for maintenance of existing HC08 platforms rather than unrestricted new development.
Recommended
Motor and Actuator Sequencing
The MC908AB32CFUE can be evaluated for actuator sequencing and basic motor-control supervisory functions where the design uses an HC08 ecosystem and does not require an advanced real-time control processor. Its 8-bit architecture at 8MHz can execute state machines, direction logic, timing sequences, fault flags, and communication routines, while 32KB Flash stores the application program and 512 bytes of EEPROM stores small configuration values. The verified source data does not provide motor-control peripherals, PWM channels, capture timers, voltage ratings, or I/O counts, so these functions must be checked explicitly in the datasheet. Mechanical safety, transient protection, and thermal behavior also require board-level validation. Given the End of Life designation, use this device for existing products or controlled legacy refreshes after confirming supply and component qualification.
Recommended
Data Logger with Persistent Configuration
MC908AB32CFUE is relevant to compact data-logger designs that need local nonvolatile configuration and an established 8-bit control platform. The 32KB Flash can hold firmware and fixed data structures, while the 512-byte EEPROM can retain a device identifier, calibration offset, configuration index, or operating counters. The MCU can manage periodic sampling, local event logging, status LEDs, and host communication when supported by the device’s verified peripheral configuration. However, external storage requirements, communication protocol support, RAM capacity, and I/O availability are not specified in the supplied data and must not be inferred. A 64-QFP package supports surface-mount assembly, but its pin assignment and power requirements should be checked against the official documentation. Lifecycle risk is significant because NXP identifies the part as End of Life.
Recommended
Legacy Peripheral and IO Expansion
The MC908AB32CFUE can be considered for legacy peripheral expansion and discrete I/O control when the existing board already depends on the MC908AB32 device. The 8MHz 8-bit core is capable of polling inputs, updating outputs, scanning switches, implementing timers, and coordinating communication buffers in a small embedded system. Its 32KB Flash provides code storage and the verified 512-byte EEPROM provides limited persistent data. The supplied data does not specify the number or electrical characteristics of I/O pins, so the design must be based on the complete package pinout and datasheet rather than assumptions. Because the part is End of Life, it is best positioned as a maintenance or board-reuse solution. Any new peripheral should account for sourcing continuity, firmware reuse, and the possibility of a broader MCU migration.
Recommended
Recommended Products Summary
Engineering reference data for MC908AB32CFUE — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MC908AB32MFUE | MC908GZ60CFUE | MC908GZ60VFUE | MC908AP16ACFBE | MC908MR32CFUE |
|---|---|---|---|---|---|---|
| Package | 64-QFP (14x14 mm) | 64-QFP (14x14 mm) - candidate; verify pinout | 64-QFP (14x14 mm) - candidate; verify pinout | 64-QFP (14x14 mm) - candidate; verify pinout | 64-QFP (14x14 mm) - candidate; verify pinout | 64-QFP (14x14 mm) - candidate; verify pinout |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
Key Differentiators
- Verified 32KB Flash and 512-byte EEPROM combination (vs MC908AB32MFUE)
- Explicit 8MHz operating frequency (vs MC908GZ60CFUE)
- Known End of Life lifecycle designation (vs MC908AB32MFUE)
- Established HC08 software-oriented identity (vs MC908AP16ACFBE)
Design Notes
Do not treat a similar M68HC08 part as a replacement based only on the family name or package shape. The verified data confirms MC908AB32CFUE as an 8-bit, 8MHz device with 32KB Flash and 512 bytes of EEPROM, but the comparison search results do not establish the parameters or pin assignments of the listed candidates. Compare the official datasheets, package drawings, errata, memory map, interrupt vectors, peripheral assignments, and operating ratings before approving a substitution.
Use the manufacturer’s official electrical characteristics for supply voltage, I/O limits, reset behavior, and power sequencing. Those values are not present in the supplied verified snippets and must not be estimated. In an existing HC08 design, preserve the established decoupling and power-routing layout where possible, then validate the board for the target supply tolerance and output-load conditions. This is especially important because an apparently identical package does not prove identical power-pin behavior.
Confirm the 64-QFP pin assignments and exposed-pad requirements from the NXP package drawing before releasing a PCB. The supplied data confirms a 64-QFP, 14mm by 14mm package but does not provide the complete pinout. Check pin 1 orientation, power and ground locations, no-connect pins, solder-mask and paste design, and assembly clearances against the official drawing rather than relying on a generic QFP footprint.
End-of-Life status changes the sourcing risk even if distributor listings still show stock. For production builds, obtain lot traceability, authorized-channel confirmation, date-code information, and written availability commitments. Avoid designing a new product around an unverified inventory page; instead, compare a current MCU with confirmed lifecycle support and allocate engineering effort for board, firmware, and peripheral migration if the obsolete device becomes unavailable.
Compliance Information
The supplied verified data does not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. These fields must be confirmed from the current manufacturer product documentation and applicable distributor records.
