MC908QY1CDTER - 8-Bit HC08 MCU, 1.5KB Flash, 16-TSSOP | NXP
Référence : MC908QY1CDTER ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $3.85 | $3,85 |
| 10 | $3.41 | $34,10 |
| 100 | $2.85 | $285,00 |
| 500 | $2.34 | $1 170,00 |
| 1 000 | $1.94 | $1 940,00 |
MC908QY1CDTER Présentation
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (ROM/FLASH), data memory (RAM), and a range of peripheral I/O into one package. The HC08 is NXP/Freescale's 8-bit CISC architecture targeted at cost-sensitive embedded applications where deterministic behavior, low power, and compact code density matter more than raw throughput. Within the broader taxonomy, the MC908QY1CDTER is a member of the HC08Q sub-family, sitting below higher-tier 16-bit and 32-bit MCUs but above simple logic controllers in capability.
Key features of the MC908QY1CDTER include 1.5KB of in-system programmable FLASH, 128 bytes of RAM, 14 general-purpose I/O pins, an internal 32 MHz oscillator (with a 5V-tolerant bus interface), and a 5V (4.5V to 5.5V) supply range. The TSSOP-16 footprint provides a slim 4.40 mm body width suitable for space-constrained PCB layouts common in white goods, sensor interfaces, and low-end appliance controllers. As an NXP "Nitron" HC08 device, it is designed for low-power, low-noise analog-friendly embedded designs.
Architecturally, the MC908QY1CDTER uses the M68HC08 enhanced CPU core with BDM (Background Debug Mode) for in-circuit programming and debugging. The device supports a wide supply tolerance to accommodate regulated 5V rails and offers mask-ROM/FLASH variants within the same pinout for OEM cost-down paths. Common peripherals shared across the QY series include timers, an SCI (serial communications interface), and basic input-capture/output-compare channels.
Typical applications are low-cost consumer appliances, battery chargers, industrial sensor signal conditioning front-ends, simple motor-control loop controllers, and replacement of legacy HC05/HC11 designs. The 5V supply tolerance suits automotive subsystems operating at 5V nominal, low-end industrial controllers, and hobby electronics.
When designing with this MCU, ensure the decoupling capacitor is placed as close as possible to the VDD/VSS pair and use the BDM interface for FLASH programming rather than legacy monitor-mode code. The 16-TSSOP package offers a 0.65 mm pin pitch; consider solder joint inspection and stencil aperture tuning during PCB assembly.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Alternatives de remplacement direct pour MC908QY1CDTER — 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 MC908QY1CDTER (même facteur de forme et même empreinte) — différant par Package, Program Memory Size, Mounting Type, Core Processor, Series.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
MC908QY2ACDTE
✅ Remplacement direct✓ En stock
$2.55 / unité
Voir la fiche technique →MC908QY4AMPE
✅ Remplacement direct✓ En stock
$1.84 / unité
Voir la fiche technique →MC68HC908QY1MPE
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$0.55 / unité
Voir la fiche technique →MC908QB4MDTE
✅ Remplacement direct✓ En stock
$1.55 / unité
Voir la fiche technique →MC908QC16MDTE
✅ Remplacement direct✓ En stock
$4.2 / unité
Voir la fiche technique →MC9S08QG4CFFE
✅ Remplacement direct✓ En stock
$1.1 / unité
Voir la fiche technique →MC68HC908QT2MPE
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$1.95 / unité
Voir la fiche technique →MC908QY1CDTER Valeurs maximales et caractéristiques électriques
| Manufacturer | NXP Semiconductors (formerly Freescale) |
| Part Family | HC08Q / M68HC08 |
| Core Architecture | 8-bit HC08 CISC, Von Neumann |
| Program Memory (FLASH) | 1.5 KB (1.5K x 8) |
| RAM | 128 bytes |
| Maximum CPU Clock | 8 MHz (bus) / 32 MHz internal oscillator |
| Supply Voltage Range | 4.5 V to 5.5 V (5 V nominal) |
| I/O Pins | 14 |
| Boîtier | 16-TSSOP (4.40 mm body width) |
| Pin Pitch | 0.65 mm |
| Plage de température de fonctionnement | -40 C to +85 C (Industrial) |
| Type de montage | Surface Mount |
| Statut RoHS | Compliant (Pb-free terminal finish per Octopart listing) |
| Debug Interface | BDM (Background Debug Mode) |
| Statut du cycle de vie | Active |
Configuration des broches de MC908QY1CDTER
| Broche 1 | PTA0 — Port A bit 0 / IRQ (interrupt request input) |
| Broche 2 | PTA1 — Port A bit 1 / BDM serial data |
| Broche 3 | PTA2 — Port A bit 2 |
| Broche 4 | PTA3 — Port A bit 3 |
| Broche 5 | VSS — Ground (0 V reference) |
| Broche 6 | VDD — Positive supply (4.5 V to 5.5 V) |
| Broche 7 | OSC1 — Oscillator input (crystal or external clock) |
| Broche 8 | OSC2 — Oscillator output |
| Broche 9 | PTA4 — Port A bit 4 / TCLK (timer clock input) |
| Broche 10 | PTA5 — Port A bit 5 / Reset (open-drain) |
| Broche 11 | PTB0 — Port B bit 0 / SCI TX (transmit) |
| Broche 12 | PTB1 — Port B bit 1 / SCI RX (receive) |
| Broche 13 | PTB2 — Port B bit 2 / TIM channel |
| Broche 14 | PTB3 — Port B bit 3 / TIM channel |
| Broche 15 | PTB4 — Port B bit 4 |
| Broche 16 | PTB5 — Port B bit 5 |
Applications typiques
MC908QY1CDTER convient pour 7 applications: Consumer Appliance Controller (Washing Machine / Dishwasher Front Panel), Industrial Sensor Signal-Conditioning Front-End, Battery Charger State-Machine Controller, White-Goods LED Status Indicator Driver, Automotive 5 V Subsystem Controller (Non-Safety Domain), Consumer Remote-Control and IR-Transmitter MCU, Industrial Point-of-Sale / Barcode Wand Decoder.
Consumer Appliance Controller (Washing Machine / Dishwasher Front Panel)
The NXP MC908QY1CDTER fits low-cost consumer appliance controllers where its 1.5 KB FLASH holds a stable-state UI routine, 14 I/O pins drive an LED array plus keypad matrix, and the 5 V supply matches legacy analog front-ends. Placed on a button-pad PCB with a regulator-fed 5 V rail, it replaces HC11 designs while keeping the legacy toolchain - the BDM debug pin allows factory firmware calibration. Compared to a CPLD, the HC08 integrates CPU and I/O in one chip, reducing BOM count by 3-4 parts. Its -40 C to +85 C industrial temperature range suits garage-free kitchen environments. The TSSOP-16 saves 30% board area versus SOIC-16, enabling slimmer keypad sub-PCBs.
Recommandé
Industrial Sensor Signal-Conditioning Front-End
Industrial sensor interface boards use the MC908QY1CDTER to read thermocouple / RTD signals, debounce limit switches, and route a UART line to the main PLC. Its 14 I/O pins handle up to seven differential-style switch channels plus a half-duplex serial link to the upstream controller. The 4.5-5.5 V tolerance accommodates 24 V industrial rails stepped down by a small switching regulator. The HC08 CISC core runs deterministic loop timing critical for safety chains - 125 ns bus cycles make precise debounce windows repeatable. Built around an external SPI ADC such as the MCP3201, the design totals $1.30 BOM in volume. Industrial temperature grade (-40 C to +85 C) handles factory floor thermal swings.
Recommandé
Battery Charger State-Machine Controller
Lead-acid or NiMH charger front-ends pair the MC908QY1CDTER with a discrete PWM/MOSFET stage to run a charge-state engine encoded in 1.5 KB of FLASH. The HC08 reads battery voltage via resistor-divider on an I/O pin and toggles charge enable from a control FET. Critical timing (charge cycle period, voltage sampling window) is handled in cheap MCU instructions rather than expensive analog timers. Its 5 V supply and -40 C to +85 C industrial range accommodate garage or outdoor charging stations. Compared to a fully analog charger, the MCU version is firmware-tunable, allowing OEMs to ship one hardware platform for multiple chemistries.
Recommandé
White-Goods LED Status Indicator Driver
Refrigerator door ajar, dishwasher cycle, and dryer status LEDs are cheap to drive using the MC908QY1CDTER's 14 I/O pins as direct current-controlled outputs. The MCU generates blink patterns, plays audio feedback (via tone output PWM), and listens to door-switch inputs - all within a single 16-TSSOP footprint. The 5 V supply accepts a small buck regulator output with headroom margin, while the HC08's near-instantaneous wake-up from STOP mode allows sub-100 uA standby, meeting EU standby power rules. Replacing a dedicated LED-driver IC with the MC908QY1CDTER cuts the bill of materials by $0.30 to $0.50 per board.
Recommandé
Automotive 5 V Subsystem Controller (Non-Safety Domain)
Body controllers for seat adjusters, mirror modules, and accessory multiplex use MC908QY1CDTER-class 8-bit MCUs where determinism and cost outweigh raw throughput. The 5 V supply matches 5 V-rail automotive subsystems, and -40 C to +85 C covers cabin thermal loads (engine bay needs AEC-Q100 Kinetis parts). The HC08 in this design communicates over CAN or LIN bus to a master ECU using a transceiver such as the NXP TJA1050. BDM in-circuit programming speeds OEM factory calibration. Compared to discrete 555-timer-based controllers, the MC908QY1CDTER delivers firmware-tunable behavior without PCB respins.
Recommandé
Consumer Remote-Control and IR-Transmitter MCU
Low-end IR remote controls for TVs, set-top boxes, and AC units traditionally use mask-ROM 4-bit controllers; modern designs swap them for the MC908QY1CDTER which costs about the same, ships in FLASH, and enables rapid OEM customization. The HC08 emits NEC or RC-5 IR protocols through bit-banged GPIOs, debounces the keypad matrix in software, and sleeps at sub-100 uA between key presses. Three AAA cells (4.5 V) sit directly on its supply rails without regulation. The TSSOP-16 footprint fits slim remotes where SOIC-16 would not. Compared to off-the-shelf encoders, this approach is fully programmable.
Recommandé
Industrial Point-of-Sale / Barcode Wand Decoder
Low-cost barcode scanner wands and POS terminals deploy the MC908QY1CDTER to decode pulse streams from photodiode amplifier circuits and drive a UART link to a host display or PC. The HC08's fast interrupt response (under 50 instruction cycles for an IRQ entry) handles real-time edge-to-edge timing needed to discriminate UPC/EAN stripe patterns. The 5 V supply runs directly from a USB-to-5V LDO, and the 16-TSSOP footprint drops into thin, foldable scanner enclosures. Compared to a fully hardware decoder, this MCU version adapts to evolving barcode standards via firmware updates and adds diagnostic logging free of charge.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour MC908QY1CDTER — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | MC908QY2ACDTE | MC908QY4AMPE | MC908QC16MDTE | MC9S08QG4CFFE |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 16-TSSOP (DT) | 16-TSSOP (DT) - same | 16-TSSOP - same | 16-TSSOP - same | 16-TSSOP - same |
| Program Memory (FLASH) | 1.5 KB | 2 KB (+33%) | 4 KB (+167%) | 16 KB (+966%) | 4 KB (+167%) |
| Core Architecture | HC08 8-bit CISC | HC08 8-bit CISC | HC08 8-bit CISC | HC08 8-bit CISC | S08 8-bit (newer core) |
| Supply Voltage Range | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 2.7 V to 5.5 V (wider) |
| Maximum Bus Clock | 8 MHz | 8 MHz | 8 MHz | 8 MHz | 20 MHz |
| ADC Channels | None | Yes (ADC included) | Yes (ADC included) | Yes (ADC included) | Yes (ADC included) |
| Toolchain Support | CodeWarrior HC08 (legacy) | CodeWarrior HC08 | CodeWarrior HC08 | CodeWarrior HC08 | CodeWarrior S08 / Processor Expert |
| Unit Price (1-reel, qty 1000) | $1.94 | $2.10 - $2.40 | $3.50 - $4.00 | $5.20 - $6.00 | $2.80 - $3.20 |
Principaux différenciateurs
- Compact TSSOP-16 footprint with full HC08 CPU (vs MC9S08QG4CFFE)
- Optimized entry-level cost with full HC08 instruction set (vs MC908QC16MDTE)
- No ADC exclusion enables clean digital-only partitions (vs MC908QY2ACDTE)
Notes de conception
The MC908QY1CDTER requires a regulated 4.5 V to 5.5 V supply. Place a 100 nF decoupling capacitor as close as possible to the VDD/VSS pins (typical < 5 mm trace length) to suppress switching noise from internal oscillators. For multi-rail designs, add a 10 uF tantalum or ceramic bulk capacitor near the part to handle transient current spikes during FLASH programming, where peak current can briefly exceed 30 mA. If a 3.3 V rail is the only source available, step up to 5 V with a small switching regulator before the MCU - the HC08 lacks low-voltage tolerance. Estimated: 30 mA peak at 5 V for BDM erase operations, sustained ~10 mA active.
On the TSSOP-16 board, keep the OSC1/OSC2 traces short and symmetric, shield them from high-current I/O paths, and add a ground guard trace to reduce jitter. The 0.65 mm pin pitch of TSSOP-16 demands PCB solder-mask apertures with maximum 0.45 mm diameter openings to prevent solder bridging; use 0.1 mm pad-to-trace clearance. Star-route VSS from the decoupling capacitor directly to the bypass ground and then to the PCB ground plane; do not daisy-chain VSS across the package. Pin 1 (PTA0/IRQ) is the primary interrupt and should be routed with 5 ns propagation budget.
Ensure the IRA pin (shared with PTA0) is configured correctly - on reset it defaults to IRQ input with internal pull-up disabled. Without external pull-up, a floating IRQ pin can trigger spurious interrupts that disrupt timing-sensitive code. Avoid relying on the 32 MHz internal oscillator for applications requiring high UART accuracy; use the BUSCLK divided output to the SCI block. The VDD rise time during power-up must meet datasheet specification; an RC rise > 100 ms can fail the internal reset circuit. BDM programming requires the BDM pin held low at reset, so design a mini-header that exposes VDD, VSS, BDM, and RESET.
When using the SCI block for UART communication with receivers above 1 Mbps, route the TX/RX traces as a short differential pair with characteristic impedance 50 ohms (typical for USB or RS-232 single-ended signals) and add a 100-ohm series termination resistor near the MCU. The HC08's SCI block generates ~25 ns overshoot on bus transitions; if the cable length exceeds 30 cm, add an external 5 kV-rated ESD diode array such as the NXP PESD5V0L4UG on the line side. Maintain VSS noise below 50 mV peak by pairing each VDD with a high-frequency bypass cap.
Informations de conformité
RoHS compliant per Octopart listing (Pb-free terminal finish). AEC-Q100 NOT applicable (this is industrial-grade). Reach declaration status not explicit in distributor listings - mark unknown until manufacturer declaration is obtained.
