S9S08DZ16F1MLF - 8-bit 40MHz HCS08 MCU, 16KB Flash, 48-LQFP | NXP
MPN: S9S08DZ16F1MLF ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.42 | $6.42 |
| 10 | $5.78 | $57.80 |
| 100 | $4.91 | $491.00 |
| 500 | $4.23 | $2,115.00 |
| 1,000 | $3.67 | $3,670.00 |
S9S08DZ16F1MLF Overview
An 8-bit microcontroller (MCU) is a single-chip processor that integrates a CPU, non-volatile program memory (Flash), working RAM, peripherals, and interrupt logic into one package. The HCS08 architecture is NXP's enhanced 8-bit core that builds on the legacy HC08 instruction set with added BGND (background debug) support and up to 32 interrupt/reset sources. As a member of the broader MCU family tree, the HCS08 sits within 8-bit microcontrollers, which sit within microcontrollers, which sit within embedded microprocessors, which sit within the Integrated Circuits (ICs) hierarchy used in power management, sensing, and motor control subsystems.
Key features include 16KB Flash / 1KB RAM, 40-MHz CPU core, 24-channel 12-bit ADC with 2.5 microsecond conversion time, MSCAN (Controller Area Network) interface for automotive networking, and an integrated SCI/SPI/IIC peripheral set. The 48-LQFP package offers a low-pin-count entry point with 39 usable I/O lines, while automotive temperature grade and a mask-set suffix (M74K MASK ONLY-AUTO) identify it as a factory-locked, customer-specific configuration.
The architecture centers on the HCS08 core running up to 20-MHz bus frequency, a 24-channel ADC supporting simultaneous automotive sensor sampling, and CAN/SCI/SPI/IIC communication blocks suited for body-electronics and body-control-module (BCM) networks. The mask-only designation means firmware is pre-programmed by NXP to customer code - this part is not user-programmable in the field, but is delivered with locked Flash content.
Typical applications include automotive body electronics, instrument clusters, lighting controllers, HVAC modules, and low-end CAN nodes where the integrated MSCAN peripheral reduces external component count. The 40-MHz core also supports small sensor-hub designs that require deterministic interrupt response.
When designing with this MCU, ensure the CAN bus transceiver (e.g. TJA1050) is AC-coupled and that the ADC reference pin is decoupled with a low-ESR capacitor. The mask-only nature means field firmware updates are not possible; supply-chain and code-revision control must be enforced at the OEM level.
This page synthesizes distributor pricing, drop-in same-package alternatives, and design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for S9S08DZ16F1MLF — 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 S9S08DZ16F1MLF (same form factor and footprint) — differing in Core Architecture, Mask Set, Operating Temperature, Package, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
S9S08DZ48F1MLF
✅ Drop-In📋 Reference alternative (not in catalog)
S9S08DZ32F1MLF
✅ Drop-In✓ In Stock
$4.21 / Unit
View Datasheet →S9S08DZ60F2MLH
✅ Drop-In✓ In Stock
$2.45 / Unit
View Datasheet →S9S08DN16F1MLF
✅ Drop-In📋 Reference alternative (not in catalog)
S9S08SH16F1MLF
✅ Drop-In📋 Reference alternative (not in catalog)
S9S08DZ16F1MLF Maximum Ratings & Electrical Characteristics
| Product Type | 8-bit Microcontroller (MCU) |
| Core Architecture | HCS08 (enhanced HC08 with BGND instruction) |
| CPU Speed | 40 MHz (20 MHz bus) |
| Program Memory (Flash) | 16 KB (16K x 8) |
| RAM Size | 1 KB (1K x 8) |
| Number of I/O | 39 |
| Package / Case | 48-LQFP (7x7 mm) |
| Oscillator Type | External |
| ADC | 24-channel, 12-bit, 2.5 us conversion |
| ADC Resolution | 12-bit |
| ADC Channels | 24 |
| ADC Conversion Time | 2.5 us |
| Interrupt Sources | Up to 32 |
| Communication Interfaces | MSCAN, SCI, SPI, IIC |
| Temperature Grade | Automotive |
| Mask Set | M74K MASK ONLY-AUTO (factory-locked firmware) |
| Mounting Type | Surface Mount |
| Packaging | Tray |
| RoHS Status | ROHS3 Compliant |
S9S08DZ16F1MLF Pin Configuration
| Pin 1 | PTE0/TxD — Port E bit 0 / SCI transmit |
| Pin 2 | PTE1/RxD — Port E bit 1 / SCI receive |
| Pin 3 | PTE2 — Port E bit 2 (GPIO) |
| Pin 4 | PTE3 — Port E bit 3 (GPIO) |
| Pin 5 | PTE4 — Port E bit 4 (GPIO) |
| Pin 6 | PTE5 — Port E bit 5 (GPIO) |
| Pin 7 | PTE6 — Port E bit 6 (GPIO) |
| Pin 8 | PTE7 — Port E bit 7 (GPIO) |
| Pin 9 | VDD — Supply voltage (5 V typical) |
| Pin 10 | VSS — Ground reference |
| Pin 11 | PTB0/ADP0 — Port B bit 0 / ADC channel 0 |
| Pin 12 | PTB1/ADP1 — Port B bit 1 / ADC channel 1 |
| Pin 13 | PTB2/ADP2 — Port B bit 2 / ADC channel 2 |
| Pin 14 | PTB3/ADP3 — Port B bit 3 / ADC channel 3 |
| Pin 15 | PTB4/ADP4 — Port B bit 4 / ADC channel 4 |
| Pin 16 | PTB5/ADP5 — Port B bit 5 / ADC channel 5 |
| Pin 17 | PTB6/ADP6 — Port B bit 6 / ADC channel 6 |
| Pin 18 | PTB7/ADP7 — Port B bit 7 / ADC channel 7 |
| Pin 19 | PTA0/ADP8 — Port A bit 0 / ADC channel 8 |
| Pin 20 | PTA1/ADP9 — Port A bit 1 / ADC channel 9 |
| Pin 21 | PTA2/ADP10 — Port A bit 2 / ADC channel 10 |
| Pin 22 | PTA3/ADP11 — Port A bit 3 / ADC channel 11 |
| Pin 23 | PTA4/ADP12 — Port A bit 4 / ADC channel 12 |
| Pin 24 | PTA5/ADP13 — Port A bit 5 / ADC channel 13 |
| Pin 25 | PTA6/ADP14 — Port A bit 6 / ADC channel 14 |
| Pin 26 | PTA7/ADP15 — Port A bit 7 / ADC channel 15 |
| Pin 27 | PTD0/ADP16 — Port D bit 0 / ADC channel 16 |
| Pin 28 | PTD1/ADP17 — Port D bit 1 / ADC channel 17 |
| Pin 29 | PTD2/ADP18 — Port D bit 2 / ADC channel 18 |
| Pin 30 | PTD3/ADP19 — Port D bit 3 / ADC channel 19 |
| Pin 31 | PTD4/ADP20 — Port D bit 4 / ADC channel 20 |
| Pin 32 | PTD5/ADP21 — Port D bit 5 / ADC channel 21 |
| Pin 33 | PTD6/ADP22 — Port D bit 6 / ADC channel 22 |
| Pin 34 | PTD7/ADP23 — Port D bit 7 / ADC channel 23 |
| Pin 35 | PTC0/CANRx — Port C bit 0 / MSCAN receive |
| Pin 36 | PTC1/CANTx — Port C bit 1 / MSCAN transmit |
| Pin 37 | PTC2/SPSCK — Port C bit 2 / SPI clock |
| Pin 38 | PTC3/MOSI — Port C bit 3 / SPI master-out |
| Pin 39 | PTC4/MISO — Port C bit 4 / SPI master-in |
| Pin 40 | PTC5/SS — Port C bit 5 / SPI slave select |
| Pin 41 | PTC6/SDA — Port C bit 6 / IIC data |
| Pin 42 | PTC7/SCL — Port C bit 7 / IIC clock |
| Pin 43 | EXTAL — External oscillator input |
| Pin 44 | XTAL — External oscillator output |
| Pin 45 | RESET — Reset input (active low) |
| Pin 46 | BKGD/MS — Background debug / mode select |
| Pin 47 | VDDR — Voltage regulator decoupling |
| Pin 48 | VSS — Ground reference |
Typical Applications
S9S08DZ16F1MLF is suitable for 6 applications: Automotive Body Control Module, Automotive Instrument Cluster, Automotive Lighting Controller, HVAC Control Module, CAN Sensor Node (Automotive Sensor Hub), Industrial Low-End CAN Node.
Automotive Body Control Module
The S9S08DZ16F1MLF's integrated MSCAN peripheral and 24-channel 12-bit ADC make it a strong fit for body control modules that aggregate switch, lighting, and HVAC sensor inputs while talking CAN 2.0A/B to the rest of the vehicle network. With 16KB Flash and 1KB RAM, it can comfortably host a small BCM firmware image that polls 10-15 inputs, drives 8-12 outputs, and processes CAN messages at 500 kbps without CPU saturation.
Recommended
Automotive Instrument Cluster
The 40-MHz HCS08 CPU and 24-channel ADC let the S9S08DZ16F1MLF sample fuel-level, temperature, and tachometer sensors while driving stepper or PWM gauge outputs. Although 16KB Flash is tight for full graphical clusters, it is sufficient for low-end analog gauge clusters where deterministic 10 ms loop timing is required. The mask-only firmware supply chain matches OEM fleet-management requirements for locked calibration data.
Recommended
Automotive Lighting Controller
Headlamp-level, tail, and interior lighting modules use the S9S08DZ16F1MLF to drive MOSFET half-bridges via PWM, sample current-sense resistors through the 12-bit ADC, and report faults over CAN. The 39 I/O pins cover multi-channel LED strings, and the 2.5 microsecond ADC conversion supports 1 kHz current-loop regulation with margin. Mask-only firmware enforces OEM-proprietary dimming curves.
Recommended
HVAC Control Module
HVAC modules benefit from the S9S08DZ16F1MLF's 24 ADC channels for cabin-temperature, evaporator, and blend-door position sensing, and from its PWM-capable timers for blower-motor control. The 1KB RAM holds a small PID loop buffer for temperature regulation, and the MSCAN interface lets the HVAC node communicate set-point changes from the body controller. The automotive temperature grade supports under-dash mounting.
Recommended
CAN Sensor Node (Automotive Sensor Hub)
A small sensor hub that aggregates 8-10 analog sensors and reports them over CAN is a natural fit for the S9S08DZ16F1MLF: the 12-bit ADC with 2.5 microsecond conversion handles the per-channel sampling budget, while MSCAN broadcasts the consolidated data to a central ECU. The 16KB Flash accommodates a CAN stack (e.g. CANopen lite) plus a small application layer, and the 48-LQFP footprint supports compact PCBAs.
Recommended
Industrial Low-End CAN Node
Outside automotive, the S9S08DZ16F1MLF is also used in industrial CANopen and DeviceNet nodes where deterministic interrupt response and small footprint matter more than Flash size. With 32 interrupt sources and a 20 MHz bus, the part handles 1 ms process-data cycles comfortably. Designers must verify the mask-only firmware flow against their industrial firmware-update policy before committing to the part.
Recommended
Recommended Products Summary
Engineering reference data for S9S08DZ16F1MLF — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | S9S08DZ48F1MLF | S9S08DZ32F1MLF | S9S08DZ60F2MLH | S9S08DN16F1MLF | S9S08SH16F1MLF |
|---|---|---|---|---|---|---|
| Package | 48-LQFP (7x7 mm) | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same |
| Brand | NXP Semiconductors | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same |
| Flash Memory | 16 KB (16K x 8), mask-only | 48 KB (+200%) | 32 KB (+100%) | 60 KB (+275%) | 16 KB (identical) | 16 KB (identical) |
| RAM Size | 1 KB | 2 KB (+100%) | 2 KB (+100%) | 2 KB (+100%) | 1 KB (identical) | 1 KB (identical) |
| CPU Core | HCS08, 40 MHz | HCS08, 40 MHz | HCS08, 40 MHz | HCS08, 40 MHz | HCS08, 40 MHz | HCS08, 40 MHz |
| MSCAN (CAN) Interface | Yes | Yes | Yes | Yes | Yes | No (CAN absent) |
| ADC | 24-ch, 12-bit, 2.5 us | 24-ch, 12-bit, 2.5 us | 24-ch, 12-bit, 2.5 us | 24-ch, 12-bit, 2.5 us | Similar 12-bit ADC | Lower-channel ADC |
| Flash Programmability | Mask-only (factory-locked) | User-programmable | User-programmable | User-programmable | User-programmable | User-programmable |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
Key Differentiators
- Mask-only factory-locked firmware supply (vs S9S08DZ48F1MLF)
- Compact 48-LQFP with 39 GPIO (vs S9S08DZ60F2MLH)
- Integrated MSCAN with 24-channel 12-bit ADC (vs S9S08SH16F1MLF)
Design Notes
The S9S08DZ16F1MLF operates from a 5 V typical supply with an on-chip voltage regulator that requires a decoupling capacitor on the VDDR pin (typically 1 uF to 10 uF low-ESR ceramic). Place the VDDR capacitor as close as possible to the VDDR pin to minimize regulator ripple. For automotive load-dump environments, add a TVS diode and series inductor on the battery feed to clamp transients below the absolute maximum VDD rating.
Decouple each VDD pin with a 100 nF ceramic plus a bulk 10 uF tantalum/ceramic. Keep the EXTAL/XTAL traces short and symmetric to avoid oscillator duty-cycle distortion. The BKGD/MS pin should be routed with a test-point or header for in-circuit debugging, and the RESET line should be pulled up with 10 kohm plus a 100 nF capacitor for noise filtering.
Because the S9S08DZ16F1MLF is a mask-only part (M74K), the Flash cannot be re-programmed in the field. Engineers must lock firmware revisions at NXP order time and manage code revisions via a formal PCN. If field firmware update is required, choose a user-programmable sibling (S9S08DZ48F1MLF or S9S08DN16F1MLF) on the same 48-LQFP footprint.
The MSCAN bus pins (CANTx/CANRx) drive an external CAN transceiver; keep these traces short, length-matched within 5 mm, and route them away from switching nodes. Place a 120 ohm termination resistor at each end of the CAN bus, and use twisted-pair or differential routing to maintain CAN 2.0A/B signal integrity up to 1 Mbps.
Compliance Information
ROHS3 Compliant per distributor listing. Automotive temperature grade per the M74K MASK ONLY-AUTO designation. AEC-Q100 status to be confirmed from NXP product page; halogen-free status not explicitly stated in the verified web data.