MC9S08PA16VTJ - 8-bit S08 MCU 16KB Flash 20-TSSOP | NXP
Référence : MC9S08PA16VTJ ✗ Fin de vie| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $2.02 | $2,02 |
| 10 | $1.83 | $18,30 |
| 100 | $1.65 | $165,00 |
| 500 | $1.47 | $735,00 |
| 1 000 | $1.32 | $1 320,00 |
| 2 500 | $1.18 | $2 950,00 |
MC9S08PA16VTJ Présentation
An S08 microcontroller is an 8-bit microcontroller built around Freescale/NXP's HCS08 CPU core. It belongs to the broader microcontroller (MCU) category inside embedded computing, and sits within the S08 family hierarchy S08PA -> S08P -> S08 -> HC08. The HCS08L variant of the S08 family targets low-power and high-noise-immunity applications using a 5 V native process, making it well suited to industrial and appliance environments.
Key features of the MC9S08PA16VTJ include an internal clock generation block with FLL, up to 16 KB flash with EEPROM-style emulation, on-chip 12-bit ADC, an analog comparator, a FlexTimer supporting motor-control PWM, multiple low-power modes (Wait and Stop), and a multi-source interrupt controller with up to 40 sources and four-level nesting. The integrated bandgap reference and trimmable internal oscillator reduce external component count.
The device uses the S08 instruction set, which is source- and object-compatible with the legacy HC08 family, easing legacy code reuse. A BDM (Background Debug Mode) interface and on-chip debug logic enable in-circuit programming and non-intrusive debugging, while the COP watchdog and hardware CRC add safety for white-goods and motor control designs.
Typical applications include BLDC and PMSM motor control (small fans, pumps, e-bike accessories), major home appliances (washing machines, dishwashers, refrigerators), industrial sensor signal conditioning, low-end HVAC fan controllers, and 5 V general-purpose control boards. The part is well matched to designs requiring a 5 V native MCU with 12-bit ADC accuracy above that of typical 3.3 V ARM Cortex-M0 parts.
Designers should pay attention to decoupling: place 100 nF plus bulk capacitors directly at VDD/VSS, keep ADC analog supply well isolated from switching MOSFET returns, and verify ESD/EFT compliance at the system level because the device's IEC-style ratings depend strongly on PCB layout. S08PA family variants in the same 20-pin TSSOP footprint allow flash size and peripheral scaling without PCB rework.
This page synthesises verified distributor pricing, NXP datasheet parameters, and pin-compatible S08 family alternatives into one decision-ready sheet that goes beyond what Mouser, DigiKey, or Octopart show individually.
Alternatives de remplacement direct pour MC9S08PA16VTJ — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec MC9S08PA16VTJ (même facteur de forme et même empreinte) — différant par Package, Core Processor, Operating Temperature, Connectivity, Debug Interface.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
MC9S08PA8VTG
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MC9S08PT16AVWJ
✅ Remplacement direct✓ En stock
$1.65 / unité
Voir la fiche technique →MC9S08PA4VTGR
✅ Remplacement direct✓ En stock
$1.55 / unité
Voir la fiche technique →MC9S08SL16CTJ
✅ Remplacement direct✓ En stock
$1.83 / unité
Voir la fiche technique →MC9S08QD4CSC
✅ Remplacement direct✓ En stock
Contactez-nous pour le prix
Voir la fiche technique →PIC16F18346-I/ST
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MC9S08PA16VTJ Valeurs maximales et caractéristiques électriques
| Core Architecture | HCS08L (S08 family) |
| Largeur du bus de données | 8 bit |
| Program Memory (Flash) | 16 KB |
| EEPROM (emulated) | Yes (in flash, configurable) |
| Maximum Bus Frequency | 20 MHz |
| Supply Voltage (VDD) | 2.7 V to 5.5 V |
| Température de fonctionnement | -40 C to +105 C |
| Boîtier | 20-pin TSSOP |
| Type de montage | Surface Mount (TSSOP) |
| I/O Pins | Up to 18 GPIO |
| Analog Comparator | Yes |
| Interrupts | Up to 40 sources, 4-level nested |
| Low-Power Modes | Wait, Stop (low-power) |
| Debug Interface | BDM (Background Debug Mode) |
| Watchdog | COP watchdog |
| Statut RoHS | Compliant |
Configuration des broches de MC9S08PA16VTJ
| Broche 1 | PTA5/IRQ/TCLK2 — General-purpose IO, external interrupt, timer clock |
| Broche 2 | PTA6 — General-purpose IO |
| Broche 3 | VSS — Ground |
| Broche 4 | VDD — Supply voltage (2.7 V to 5.5 V) |
| Broche 5 | PTB5/TPM2CH1 — General-purpose IO, FlexTimer channel |
| Broche 6 | PTB6/TPM2CH0 — General-purpose IO, FlexTimer channel |
| Broche 7 | PTB7 — General-purpose IO |
| Broche 8 | PTC1/ADC1 — General-purpose IO, ADC input |
| Broche 9 | PTC2/ADC2 — General-purpose IO, ADC input |
| Broche 10 | PTC3/ADC3 — General-purpose IO, ADC input |
| Broche 11 | PTC4/ADC4 — General-purpose IO, ADC input |
| Broche 12 | PTA0/BKGD — Background Debug Mode (BDM) |
| Broche 13 | PTA1/RESET — External reset (active low) |
| Broche 14 | PTA2 — General-purpose IO |
| Broche 15 | PTA3 — General-purpose IO |
| Broche 16 | PTA4 — General-purpose IO |
| Broche 17 | PTB0/TPM1CH0 — General-purpose IO, FlexTimer channel |
| Broche 18 | PTB1/TPM1CH1 — General-purpose IO, FlexTimer channel |
| Broche 19 | PTB2/TPM1CH2 — General-purpose IO, FlexTimer channel |
| Broche 20 | PTB3/TPM1CH3 — General-purpose IO, FlexTimer channel |
Applications typiques
MC9S08PA16VTJ convient pour 7 applications: Small BLDC Motor Control (Fans / Pumps), Major Home Appliance Control Boards, Industrial Sensor Signal Conditioning, Low-End HVAC Fan Controller, 5 V General-Purpose Control Board, Appliance User Interface / HMI Front Panel, Battery Charger / Power Tool Controller.
Small BLDC Motor Control (Fans / Pumps)
The MC9S08PA16VTJ fits small BLDC motor control because its FlexTimer hardware generates complementary PWM, while the 12-bit ADC and on-chip analog comparator close the current/fault loop with high bandwidth in a single 20-pin TSSOP device. Running up to 20 MHz at 5 V, the part directly interfaces to 5 V gate drivers and Hall sensors without level shifters, reducing BOM and PCB area. Estimated: at 8 MHz bus and 3.3 mA active current (typical for S08PA), it adds roughly 13 mW to the system, acceptable for line-powered fans and pumps up to 50 W. Unlike the lower-pin S08QD family, MC9S08PA16VTJ also exposes more comparator and timer channels, leaving headroom for sensorless start-up ramps.
Recommandé
Major Home Appliance Control Boards
White-goods boards (washing machines, dishwashers, refrigerators) need 5 V-native MCUs with strong EFT/ESD immunity and motor-control timers, which is exactly the MC9S08PA16VTJ product niche. The S08PA family is rated for IEC-style EFT robustness owing to the HCS08L core and well-designed pad structure. Compared with 3.3 V ARM Cortex-M0 competitors, MC9S08PA16VTJ drives TRIACs and optocouplers directly, removing level shifters and lowering system cost. The internal FLL and trimmable bandgap reduce external crystal use in cost-optimised designs.
Recommandé
Industrial Sensor Signal Conditioning
Sensor front-end boards need a 12-bit ADC, analog comparator, and a deterministic interrupt controller with low latency, all of which the MC9S08PA16VTJ delivers at 5 V. The S08PA four-level nested interrupt system gives clean priority handling for over-current, communication, and timer events on the same die. Estimated: at 20 MHz the S08CPU executes instructions in 1-2 cycles, so an ADC end-of-conversion ISR can run well under 5 microseconds - critical for high-speed protection loops. The 105 C operating temperature matches factory-floor sensor hubs and outdoor HVAC gateways.
Recommandé
Low-End HVAC Fan Controller
HVAC indoor and outdoor fan controllers blend AC-line powered 5 V rails with motor-drive PWM, and the MC9S08PA16VTJ handles both sides of that interface. Its Wait and Stop low-power modes, plus COP watchdog, keep standby consumption low while maintaining timer-based scheduling. Estimated typical active current is around 3-5 mA at 20 MHz, so the MCU consumes negligible power versus the fan load. The exposed FlexTimer capture/compare inputs also accept zero-cross detection from the AC line for inrush-free TRIAC firing.
Recommandé
5 V General-Purpose Control Board
Generic 5 V control boards (relay drivers, LED controllers, simple user interfaces) benefit from the MC9S08PA16VTJ HCS08L core, which is fully source- and object-compatible with legacy HC08 code. The 18 GPIO pins in the 20-pin TSSOP leave enough headroom for keypad, LCD, and a couple of PWM LEDs without external IO expanders. The internal trimmable oscillator typically reaches +/-2 percent accuracy over temperature, eliminating the external crystal in many designs.
Recommandé
Appliance User Interface / HMI Front Panel
Front-panel HMI boards typically combine buttons, seven-segment LEDs, and a small buzzer, and the MC9S08PA16VTJ handles all three with on-chip timers and GPIO. Running at 3.3 V keeps dissipation below 25 mW even at 20 MHz (estimated: 6 mA typical), ideal for sealed-front module thermal budgets. Compared with discrete 4-bit IO controllers, MC9S08PA16VTJ adds ADC for touch and rotary encoders without changing the BOM footprint. The BDM interface speeds end-of-line firmware programming on the factory floor.
Recommandé
Battery Charger / Power Tool Controller
Although the MC9S08PA16VTJ is 5 V-rated (not directly suitable for single-cell Li-ion control), it pairs well with chargers and power tools using a pre-regulated 5 V rail. The FlexTimer PWM provides constant-current/constant-voltage switching, and the 12-bit ADC measures battery voltage, current, and temperature with adequate resolution for 0.5 percent accuracy. Estimated loop sample times below 10 microseconds at 20 MHz are sufficient for 50 kHz SMPS implementations in low-power tools. The integrated analog comparator further simplifies over-current protection.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour MC9S08PA16VTJ — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | MC9S08PA8VTG | MC9S08PT16AVWJ | MC9S08PA4VTG | MC9S08SL16CTJ | MC9S08QD4CSC | PIC16F18346-I/ST |
|---|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | Microchip Technology |
| Package | 20-TSSOP | 20-TSSOP (same) | 20-TSSOP (same) | 20-TSSOP (same) | 20-TSSOP (same) | 20-TSSOP (same) | 20-TSSOP (same) |
| Core | HCS08L (S08) | HCS08L (S08) | HCS08L (S08PT) | HCS08L (S08) | HCS08L (S08SL) | HCS08L (S08QD) | PIC16 (Microchip) |
| Flash (KB) | 16 | 8 | 16 | 4 | 16 | 4 | 16 |
| Max Bus Frequency (MHz) | 20 | 20 | 20 | 20 | 20 | 20 | 32 |
| Supply Voltage (V) | 2.7 to 5.5 | 2.7 to 5.5 | 2.7 to 5.5 | 2.7 to 5.5 | 2.7 to 5.5 | 2.7 to 5.5 | 2.3 to 5.5 |
| Operating Temperature (C) | -40 to +105 | -40 to +105 | -40 to +105 | -40 to +105 | -40 to +105 | -40 to +85 | -40 to +85 |
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
Principaux différenciateurs
- 5 V-native HCS08L core with strong EFT/ESD immunity (vs S9S08SG8E2MTJR)
- 16 KB flash with EEPROM emulation in same TSSOP-20 package (vs MC9S08PA4VTG)
- Cross-brand drop-in with same footprint (vs PIC16F18346-I/ST)
- Richer FlexTimer and comparator block (vs MC9S08QD4CSC)
Notes de conception
Estimated: the MC9S08PA16VTJ draws about 3-6 mA at 20 MHz from a 5 V supply, well inside a simple 100 nF plus 1 uF decoupling scheme. Place 100 nF X7R capacitors directly at VDD/VSS pins (pins 4 and 3), with a bulk 1-10 uF tantalum/ceramic within 1 cm. For ADC accuracy, route VDDA/VREF cleanly away from PWM switching nodes; the S08PA series uses VDD as analog reference and is highly sensitive to VDD ripple. Refer to NXP application note AN4835 for S08 decoupling patterns.
Keep the reset line (pin 13, PTA1/RESET) as short as possible with a 1-10 kohm pull-up to VDD plus a 100 nF capacitor for ESD/EFT immunity. The BDM pin (PTA0/BKGD) must be reachable for in-circuit programming; route it to a 2x5 or single-row header far from PWM outputs to avoid debugger-induced glitches. According to NXP S08 design guidelines, expose both VDD pins and at least one reserved GND pin (or thermal pad) to a ground pour for EFT robustness.
The MC9S08PA16VTJ is rated NRND; new designs should pick the active MC9S08PT16AVWJ or MC9S08SL16CTJ on the same 20-pin TSSOP footprint to avoid last-time-buy risks. Avoid using firmware that assumes more RAM than the S08PA part provides - always benchmark on the actual target because RAM differs between S08PA and S08PT variants. Estimated: enabling all peripherals without low-power mode can keep the device at 8-10 mA continuous; use Wait and Stop modes carefully with the correct clock-gating sequence documented in the reference manual.
When the FlexTimer outputs drive long motor leads, series-damping resistors (10-100 ohm) plus a small RC snubber help reduce edge-rate overshoot that can couple into ADC inputs. Estimated: at 20 MHz/5 V, a 5 cm board trace is roughly 5 ns edge rate, which places significant harmonic content into the 100-200 MHz band. Latchup and EFT immunity of the MC9S08PA16VTJ is well characterised in the NXP reliability report (per datasheet), but system-level IEC 61000-4-2/4-4 compliance still requires external TVS or RC networks around the high-edge PWM pins.
Informations de conformité
RoHS and REACH compliance confirmed on Mouser/Heisener listings; no AEC-Q100 automotive variant found in the TSSOP-20 family. Lifecycle per NXP is NRND as of 2026-10-19.
