MC68HC908GZ60CFJ - 8-Bit MCU 60KB Flash | NXP | Industrial
MPN: MC68HC908GZ60CFJ ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $9.12 | $9.12 |
| 10 | $8.2 | $82.00 |
| 100 | $7.35 | $735.00 |
| 500 | $6.6 | $3,300.00 |
| 1,000 | $5.95 | $5,950.00 |
MC68HC908GZ60CFJ Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and peripherals. In the broader semiconductor taxonomy the MC68HC908GZ60CFJ belongs to the 8-bit microcontroller family -> HC08 family -> M68HC08 family -> embedded microcontrollers -> microprocessors & controllers -> integrated circuits (semiconductors). The 8-bit class remains widely deployed because it offers mature toolchains, deterministic behavior, and excellent code density for control-oriented tasks.
Key features include 60KB of Flash program memory with security, 8-MHz maximum internal bus frequency, an integrated 10-channel 8-bit ADC, a serial communication interface (SCI), a serial peripheral interface (SPI), and 33 general-purpose I/O (GPIO) pins. The device operates from 3.0V to 5.5V across the industrial -40C to +125C temperature range and supports in-circuit programming (ICP) via an on-chip programming firmware loader that communicates with a host PC over the standard serial monitor ROM.
The HC08 core uses a von-Neumann architecture with a 16-bit stack pointer and a hardware-friendly instruction set that runs at up to 8 MHz from an on-chip oscillator or external crystal. The MSCAN08 module implements the full CAN 2.0B specification (passive and active frames, 29-bit identifier), making this part a strong fit for legacy industrial networks, building automation, and automotive body-electronics nodes that predate widespread adoption of 32-bit Cortex-M controllers.
Typical applications include CAN node endpoints in industrial machinery, HVAC controls, appliance control boards, security and access panels, automotive body controllers (window, seat, mirror), and any 5V-tolerant CAN/SCI/SPI gateway. The wide 3.0V-5.5V supply range and the rugged -40C to +125C operating window also make it suitable for outdoor instrumentation and legacy factory-floor replacements.
When designing with the MC68HC908GZ60CFJ, ensure decoupling with at least one 100nF ceramic capacitor as close as possible to each VDD/VDDA pin pair, leave the OSC1/OSC2 layout symmetrical, and reserve PTA pins for the background-debug system if in-circuit debug is desired.
This page synthesizes distributor pricing, drop-in alternatives within the 32-LQFP footprint, and design notes that complement the manufacturer datasheet to support both new designs and legacy board bring-up.
Drop-in alternatives for MC68HC908GZ60CFJ — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MC68HC908GZ48CFJ
✅ Drop-In📋 Reference alternative (not in catalog)
MC68HC908GZ32CFJ
✅ Drop-In📋 Reference alternative (not in catalog)
MC68HC908GZ60CFU
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MC68HC908GZ60VFU
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MC9S08GZ60CLF
✅ Drop-In📋 Reference alternative (not in catalog)
MC9S08GZ48CLF
✅ Drop-In📋 Reference alternative (not in catalog)
MC68HC908GZ60CFJ Maximum Ratings & Electrical Characteristics
| Core Architecture | HC08, 8-bit CPU |
| Program Memory | 60 KB (60K x 8) Flash |
| Maximum Internal Bus Frequency | 8 MHz |
| Operating Voltage Range | 3.0 V to 5.5 V |
| Operating Temperature Range | -40 C to +125 C |
| Package | 32-LQFP (7x7 mm) |
| Mounting Type | Surface Mount |
| I/O Pins | 33 GPIO |
| ADC | 10-channel, 8-bit |
| Timers | Multiple 16-bit timer channels |
| Communications | MSCAN08 (CAN 2.0B), SCI (UART), SPI |
| Clock Generation Module | 1 MHz to 8 MHz crystal support |
| Flash Security | Yes |
| On-Chip Programming Firmware | ROM monitor for host PC interface |
| Process Technology | HCMOS |
MC68HC908GZ60CFJ Pin Configuration
| Pin 1 | PTD7/TxD — GPIO / SCI transmit (UART TXD) |
| Pin 2 | PTD6/RxD — GPIO / SCI receive (UART RXD) |
| Pin 3 | PTD5/SS — GPIO / SPI slave select |
| Pin 4 | PTD4/MOSI — GPIO / SPI master out, slave in |
| Pin 5 | PTD3/MISO — GPIO / SPI master in, slave out |
| Pin 6 | PTD2/SPSCK — GPIO / SPI clock |
| Pin 7 | VDD — Digital supply voltage (3.0V - 5.5V) |
| Pin 8 | VSS — Digital ground |
| Pin 9 | PTD1/MISO — GPIO / SPI alternate / CAN-related |
| Pin 10 | PTD0/MOSI — GPIO / SPI alternate / CAN-related |
| Pin 11 | PTC7 — GPIO / timer channel |
| Pin 12 | PTC6 — GPIO / timer channel |
| Pin 13 | PTC5 — GPIO / ADC channel |
| Pin 14 | PTC4 — GPIO / ADC channel |
| Pin 15 | PTC3 — GPIO / ADC channel |
| Pin 16 | PTC2 — GPIO / ADC channel |
| Pin 17 | PTC1 — GPIO / ADC channel / IRQ |
| Pin 18 | PTC0 — GPIO / ADC channel / IRQ |
| Pin 19 | PTB7/AD7 — GPIO / ADC channel 7 |
| Pin 20 | PTB6/AD6 — GPIO / ADC channel 6 |
| Pin 21 | PTB5/AD5 — GPIO / ADC channel 5 |
| Pin 22 | PTB4/AD4 — GPIO / ADC channel 4 |
| Pin 23 | PTB3/AD3 — GPIO / ADC channel 3 |
| Pin 24 | PTB2/AD2 — GPIO / ADC channel 2 |
| Pin 25 | PTB1/AD1 — GPIO / ADC channel 1 |
| Pin 26 | PTB0/AD0 — GPIO / ADC channel 0 |
| Pin 27 | VDDA/VREFH — Analog supply / ADC reference high |
| Pin 28 | VSSA/VREFL — Analog ground / ADC reference low |
| Pin 29 | OSC1 — Crystal oscillator input |
| Pin 30 | OSC2 — Crystal oscillator output |
| Pin 31 | RST — Reset input (active low) |
| Pin 32 | PTA7/CANRX — GPIO / MSCAN08 CAN receive |
Typical Applications
MC68HC908GZ60CFJ is suitable for 7 applications: Industrial CAN Node Endpoint, HVAC and Building Automation Controller, Automotive Body Electronics (Non-Safety), Appliance Control Board, Security and Access Control Panel, Legacy Industrial Sensor Module, Battery-Backed Telemetry Logger.
Industrial CAN Node Endpoint
The MC68HC908GZ60CFJ is engineered for industrial CAN node endpoints thanks to its integrated MSCAN08 peripheral that implements the CAN 2.0B protocol (29-bit ID, BOSCH Sept 1991 spec). The 60KB Flash comfortably fits DeviceNet or CANopen stack libraries plus application code, while the 3.0V-5.5V supply range and -40C to +125C window cover factory-floor transients. The 8 MHz bus yields roughly 4 MIPS, which is sufficient for polled sensor I/O and CAN message handling at typical 125 kbit/s and 250 kbit/s bus rates. Placed on a 5V industrial backplane with opto-isolated CAN transceivers (e.g., NXP TJA1050), the part functions as a robust, low-cost slave node. Unlike 32-bit Cortex-M alternatives, the HC08 needs no RTOS and responds to CAN interrupts with deterministic latency, simplifying firmware certification.
Recommended
HVAC and Building Automation Controller
The MC68HC908GZ60CFJ fits small HVAC and building-automation controllers thanks to its 10-channel 8-bit ADC for analog temperature and humidity sensors, plus the SCI (UART) and SPI peripherals for off-board sensor expansion. At 5V operation it can directly drive 5V relays and triac interface circuitry without level translation, reducing BOM cost. 60KB Flash accommodates Modbus, BACnet, or proprietary protocols used in legacy building-management systems, and the -40C to +125C operating range handles rooftop and plant-room environments. Unlike 3.3V-only modern MCUs, the 5V tolerance simplifies analog front-end design for 0-10V actuator signals. Place the part near the analog section with a 100nF + 10uF decoupling pair, and use the SPI to chain a digital potentiometer for setpoint adjustment.
Recommended
Automotive Body Electronics (Non-Safety)
Non-safety automotive body functions such as window lift, seat position, mirror adjust, or interior lighting controllers can use the MC68HC908GZ60CFJ because of its MSCAN08 CAN 2.0B peripheral and 5V tolerance. The -40C to +125C operating range covers cabin and door-module thermal stress, and 60KB Flash fits a CANopen or simple CAN-state-machine application plus bootloader. Place the part on a 12V-to-5V regulated rail with a TVS diode for load-dump protection (ISO 7637) and pair it with an automotive-grade CAN transceiver (e.g., TJA1040). The device is not AEC-Q100 qualified per available datasheets, so reserve it for body and convenience features rather than ADAS or powertrain.
Recommended
Appliance Control Board
White-goods control boards (washing machines, dishwashers, microwave ovens) are a sweet spot for the MC68HC908GZ60CFJ because the part blends 5V I/O, a 10-channel 8-bit ADC for sensor readout, and a 16-bit timer block for triac-fired heater and motor control. 60KB Flash holds the state machine plus a small display-driver or user-interface protocol, while the SPI bus interfaces to character-LCD or dot-matrix display modules. The wide -40C to +125C operating range handles oven-cabinet and motor-bay environments. Unlike modern Cortex-M parts that require 3.3V rails, the HC08 keeps the bill of materials low by interfacing directly to 5V triac optocouplers (e.g., MOC3021) and 5V relay coils.
Recommended
Security and Access Control Panel
Security panels, access-control keypads, and intrusion-detection hubs often rely on the MC68HC908GZ60CFJ because of its 60KB Flash for protocol handling, its low-power modes for battery-backed operation, and its multiple timers for keypad scan and watchdog. The SCI and SPI connect to GSM/4G modules, RFID readers, and supervised alarm loops, while the 10-channel ADC reads battery voltage and analog sensor channels. The on-chip ROM monitor enables in-field firmware updates via a serial host, critical for installed-base servicing. Place the part on a 5V regulated rail with a 32.768 kHz external watch crystal for RTC-grade timing of entry/exit delays.
Recommended
Legacy Industrial Sensor Module
The MC68HC908GZ60CFJ is widely used in legacy industrial sensor modules - pressure, flow, level, and proximity transmitters - thanks to its integrated ADC, SCI for 4-20 mA loop or RS-485, and 60KB Flash for calibration tables and linearization routines. At -40C to +125C it tolerates the field enclosure temperature swings of outdoor installations, and the 5V tolerance simplifies the loop-power analog front end. Place the MCU on a 5V LDO fed from the loop supply (e.g., LM317) and use the SPI to drive a 16-bit DAC for the analog output stage. The HC08's deterministic interrupt response keeps the measurement-to-output loop tight, critical for loop-powered 4-20 mA transmitters requiring <=10 ms update.
Recommended
Battery-Backed Telemetry Logger
Remote telemetry and metering nodes benefit from the MC68HC908GZ60CFJ's low-power wait modes plus the on-chip ROM monitor for in-field firmware updates. 60KB Flash stores data tables and a small Modbus or proprietary protocol, while the SCI interfaces to an external GSM/GPRS module for backhaul. The 10-channel ADC reads analog process variables (pressure, flow, temperature), and the hardware SPI drives an external FRAM or EEPROM for non-volatile event logs. In sleep mode the part draws only a few hundred microamps, so a small Li-ion cell plus a boost converter can power the node during outages. The -40C to +125C operating range ensures reliability in metering cabinets and outdoor enclosures.
Recommended
Recommended Products Summary
Engineering reference data for MC68HC908GZ60CFJ — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MC68HC908GZ48CFJ | MC68HC908GZ32CFJ | MC68HC908GZ60CFU | MC68HC908GZ60VFU | MC9S08GZ60CLF | MC9S08GZ48CLF |
|---|---|---|---|---|---|---|---|
| Package | 32-LQFP (7x7) | 32-LQFP (7x7) - same | 32-LQFP (7x7) - same | 32-LQFP (7x7) - same | 32-LQFP (7x7) - same | 32-LQFP (7x7) - same | 32-LQFP (7x7) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Flash Memory | 60 KB | 48 KB | 32 KB | 60 KB | 60 KB | 60 KB | 48 KB |
| CPU Core | HC08 8-bit | HC08 8-bit | HC08 8-bit | S08 8-bit (upgraded core) | S08 8-bit (upgraded core) | ||
| Max Bus Frequency | 8 MHz | 8 MHz | 8 MHz | 8 MHz (faster effective MIPS on S08) | 8 MHz (faster effective MIPS on S08) | ||
| MSCAN08 (CAN 2.0B) | Yes | Yes | Yes | Yes (MSCAN08 peripheral retained) | Yes (MSCAN08 peripheral retained) | ||
| Operating Voltage | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| Operating Temperature | -40 C to +125 C | -40 C to +125 C | -40 C to +125 C | -40 C to +125 C | -40 C to +125 C | ||
| Lifecycle Status (as of 2026-10-17) | NRND (approaching EOL) | NRND (approaching EOL) | NRND (approaching EOL) | Active (recommended migration) | Active (recommended migration) |
Key Differentiators
- Largest Flash density in the GZ60 LQFP-32 family (vs MC68HC908GZ32CFJ)
- Full CAN 2.0B (29-bit ID) hardware peripheral (vs Cortex-M0 MCUs without CAN)
- 5V I/O tolerance without external level shifters (vs 3.3V Cortex-M alternatives)
Design Notes
Estimated: at 5V VDD, 8 MHz active current is roughly 15 mA (typical datasheet value). At idle / wait mode the part drops to single-digit mA. Provide a 100nF X7R decoupling capacitor on each VDD/VSS pair placed within 5 mm of the relevant pins, plus a single bulk 10uF tantalum or ceramic on the analog VDD rail. For battery-backed applications, route the OSC1/OSC2 pins to a low-power 32.768 kHz watch crystal and use the part's wait mode to extend battery life.
Keep the OSC1/OSC2 traces short, symmetric, and routed over a continuous ground plane to avoid EMI pickup. The ADC analog inputs (PTB0-PTB7) should be guarded by a ground ring and kept away from the SCI/UART switching signals (PTD6/PTD7) to maintain 8-bit ADC linearity. The VDDA/VREFH pin should have its own low-inductance 100nF + 10uF decoupling pair and a ferrite bead if the digital VDD is noisy from relays or motor drivers.
Pin 1 orientation on the 32-LQFP (7x7) follows the standard JEDEC dot-marker convention; never assume a different pin numbering when laying out a PCB - the HC908 family is unforgiving of mis-numbered resets and oscillator pins. Do not exceed 5.5V on any VDD pin or ESD ratings listed in the datasheet. When using the on-chip ROM monitor for in-circuit programming, ensure that the IRQ pin used by the loader is not pulled low by external circuitry during reset, or programming will silently fail.
Compliance Information
RoHS / REACH / lead-free / halogen-free status was not present in the verified web data; the corresponding spec value is marked [DATA_NEEDED]. The NXP MC68HC908GZ60 datasheet does not list AEC-Q100 qualification, so this part is not recommended for safety-critical automotive ADAS or powertrain applications.