MC9S08JE128VLH - 8-bit S08 USB MCU, 128KB Flash, 48MHz | NXP
MPN: MC9S08JE128VLH ⚠ Last Time Buy| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.59 | $8.59 |
| 10 | $7.73 | $77.30 |
| 100 | $6.87 | $687.00 |
| 500 | $6.01 | $3,005.00 |
| 1,000 | $5.15 | $5,150.00 |
MC9S08JE128VLH Overview
A microcontroller (MCU) is an integrated circuit that combines a processor, RAM, non-volatile program memory, and a peripheral set into a single chip. The 8-bit microcontroller category sits below 16-bit and 32-bit MCUs in computational throughput, but typically offers lower cost, lower power consumption, and simpler programming. Within NXP's portfolio, S08 microcontrollers occupy the low-power, cost-sensitive tier, above which sit the S12 (16-bit), Kinetis E (Cortex-M0+/M4), and Kinetis K (Cortex-M4) families. The MC9S08JE128VLH sits inside the LQFP-64 package family (LQFP family -> QFP family -> surface-mount plastic IC package), placing it in the mainstream SMD microcontroller footprint class.
Key features of the MC9S08JE128VLH include integrated USB 2.0 connectivity, a high-resolution analog-to-digital converter (ADC), a digital-to-analog converter (DAC), multiple serial peripherals (SCI, SPI, I2C), a rich timer/PWM set, and an internal low-power oscillator. The combination of ADC, DAC, and USB on the same die eliminates external analog components and a separate USB transceiver, reducing both board space and BOM cost in measurement and consumer applications.
From an application perspective, the MC9S08JE128VLH targets HVAC building control systems, PC peripherals, lighting control systems, industrial networking products, and portable medical devices, according to the Freescale/NXP product brief. These segments benefit from the on-chip ADC resolution, USB device/host/OTG support, and the low-power modes that the S08JE core offers for battery-powered instruments. NXP's product page classifies this part as End-of-Life (EOL) with a published Discontinuance and Replacement Product Change Notice, so designers planning new designs should evaluate replacement parts listed in the alternatives array and the NXP PCN.
Designers should be aware of the part's EOL status when planning new designs. The recommended approach is to verify the active PCN and replacement MPN list on NXP's website before committing to a new design. Existing designs in production should secure safety stock and qualify a same-package drop-in from the alternatives array below to mitigate future supply risk.
Drop-in alternatives for MC9S08JE128VLH — 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 MC9S08JE128VLH (same form factor and footprint) — differing in Package.
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MC9S08JE64VLH
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View Datasheet →MC9S08JE128VLHR
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MC9S08JE128VLH Maximum Ratings & Electrical Characteristics
| Core | HCS08 / S08 (8-bit) |
| Processor Series | S08JE |
| Data Bus Width | 8 bit |
| Maximum Clock Frequency | 48 MHz |
| Program Memory Size | 128 KB (128K x 8) FLASH |
| Package | 64-LQFP (10x10 mm) |
| Mounting Type | Surface Mount |
| Supply Voltage | 2.5 V / 3.3 V |
| USB Interface | USB 2.0 (integrated) |
| ADC | High-resolution on-chip ADC |
| DAC | On-chip DAC |
| Serial Peripherals | SCI (UART), SPI, I2C |
| RoHS Status | Details available (contact DigiKey) |
| Lifecycle | End of Life (Discontinuance PCN published on NXP) |
MC9S08JE128VLH 64-lqfp (10x10 mm) Pin Configuration Guide
Pin configuration for MC9S08JE128VLH (64-lqfp (10x10 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 MC9S08JE128VLH.
Refer to the datasheet for full pin configuration.
Typical Applications
MC9S08JE128VLH is suitable for 6 applications: HVAC Building Control Systems, USB PC Peripherals, Industrial Lighting Control, Industrial Networking Products, Portable Medical Devices, Battery-Powered Measurement Instruments.
HVAC Building Control Systems
The MC9S08JE128VLH fits HVAC building control because the S08JE core's ultra-low-power modes keep wall and rooftop controllers efficient, the on-chip high-resolution ADC handles thermistor and pressure-sensor readout without external signal conditioning, and the integrated DAC drives analog actuator setpoints. Per NXP's product brief, HVAC is a primary target segment for this device. Designers place the JE128VLH between the sensor network and the user interface, using the SCI (UART) for BACnet or Modbus trunks while USB provides field-service commissioning ports - a topology that exploits the part's USB 2.0 device stack without external transceivers.
Recommended
USB PC Peripherals
The MC9S08JE128VLH is a strong fit for USB PC peripherals (HID, CDC, vendor-class devices) because USB 2.0 full-speed is integrated on the die, eliminating the external USB transceiver and reducing BOM by 2-3 ICs. The 128 KB FLASH holds a full USB stack plus application firmware, and the S08JE core runs at 48 MHz - the bus-clock rate required for accurate USB full-speed framing. Compared with general-purpose MCUs that require an external USB PHY, the JE128VLH offers a single-chip USB device solution at 8-bit cost points, which is why NXP highlights PC peripherals as a primary application.
Recommended
Industrial Lighting Control
The MC9S08JE128VLH fits industrial lighting control because the S08JE core's PWM/timer set drives LED drivers and TRIAC dimming stages with microsecond precision, while the 12-bit-class ADC reads ambient-light and occupancy sensors directly. USB connectivity simplifies factory test and firmware update via a standard cable, and the ultra-low-power modes (HALT, STOP) cut idle lighting-controller standby below 1 mA. Per NXP's product brief, lighting control systems are an explicit target segment for the S08JE family.
Recommended
Industrial Networking Products
The MC9S08JE128VLH fits industrial networking products - bridges, gateways, sensor nodes - because the S08JE core integrates SCI (UART), SPI, and I2C, enabling RS-485, RS-232, and I2C sensor networks from a single chip. The 128 KB FLASH holds a Modbus or proprietary networking stack, and the integrated USB enables local configuration plus firmware update. Designers appreciate the 48 MHz core for deterministic serial-frame timing, and the wide supply range (2.5 V / 3.3 V per distributor listings) lets the part operate directly from industrial 24 V pre-regulated rails.
Recommended
Portable Medical Devices
The MC9S08JE128VLH fits portable medical devices because the high-resolution on-chip ADC enables accurate SpO2, temperature, or pressure measurement without external analog front-ends, and the integrated DAC drives reference voltages or analog outputs. The S08JE ultra-low-power modes extend battery life on handheld instruments, while USB 2.0 enables patient-data transfer and battery charging. NXP lists portable medical devices as an explicit target segment. Designers must still validate the complete system's IEC 60601 compliance - the MCU alone does not certify the device.
Recommended
Battery-Powered Measurement Instruments
The MC9S08JE128VLH fits battery-powered measurement instruments where the S08JE ultra-low-power operation extends run-time and the high-resolution ADC enables accurate readings. The 48 MHz core executes DSP-style signal-processing routines (FIR filters, RMS calculation) within tight timing budgets, while integrated USB enables charging plus data sync. Per NXP's product brief, ultra-low-power operation is a defining trait of the JE128/64 family, making the part well-suited to handheld digital multimeters, dataloggers, and environmental monitors.
Recommended
Recommended Products Summary
Engineering reference data for MC9S08JE128VLH — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MC9S08JE64VLH | MC9S08JE128VLHR | MC9S08JM60CLD | MC9S08MM128VLH |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 64-LQFP (10x10) | 64-LQFP (10x10) - same | 64-LQFP (10x10) - same | LQFP (different footprint, pin-count differs) | 64-LQFP (same family footprint) |
| Core | S08 (8-bit) | S08 (8-bit) | S08 (8-bit) | S08 (8-bit) | S08 (8-bit) |
| Maximum Clock Frequency | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz |
| Program FLASH | 128 KB | 64 KB (-50%) | 128 KB | 60 KB | 128 KB |
| USB Interface | USB 2.0 integrated | USB 2.0 integrated | USB 2.0 integrated | USB 2.0 integrated (with host/OTG) | No native USB |
| On-chip ADC | Yes (high-resolution) | Yes (high-resolution) | Yes (high-resolution) | Yes | Yes |
Key Differentiators
- USB 2.0 plus on-chip DAC for measurement-class peripherals (vs MC9S08MM128VLH)
- Twice the program memory of the JE64 sibling (vs MC9S08JE64VLH)
- Single-tray 64-LQFP (10x10) footprint aligns with standard S08JE layout (vs MC9S08JM60CLD)
Design Notes
The MC9S08JE128VLH is on NXP's published Discontinuance and Replacement PCN list. Before committing a new design to this MPN, open the NXP product page's PCN section and read the qualified replacement. Existing designs should secure safety stock and qualify a same-package drop-in alternative from the alternatives array below. Continuing to design in an EOL part creates supply risk that may force a redesign later.
Take advantage of the S08JE family's ultra-low-power modes (WAIT, STOP3) for battery-powered designs. Stop currents in the single-digit microamp range are typical per NXP datasheets. Wakeup can be triggered by ADC threshold, low-voltage detect, RTI, or external IRQ, allowing average system current below 100 uA in HVAC sensor-node duty cycles.
Decouple VDD/VSS pairs with 100 nF X7R caps placed within 3 mm of each supply pin, plus a single bulk 4.7 uF tantalum or ceramic near the regulator. The USB D+/D- traces should be routed as a 90-ohm differential pair with length matching within 2 mm, and the internal 3.3 V USB regulator's bypass cap must be placed within 5 mm of the USB VREG pin.
Compliance Information
RoHS and REACH status not stated explicitly in verified distributor listings; consult DigiKey product page for full compliance detail. AEC-Q100 not applicable - this is a general-purpose 8-bit MCU, not an automotive-qualified part. Lead-free confirmed via standard NXP LQFP package family.