MC908LD64IFUE - HC08 8-Bit MCU 60KB Flash LCD 64-QFP | NXP
Référence : MC908LD64IFUE ✗ Fin de vie| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $18.5 | $18,50 |
| 10 | $16.2 | $162,00 |
| 100 | $14 | $1 400,00 |
| 500 | $11.75 | $5 875,00 |
| 1 000 | $9.9 | $9 900,00 |
MC908LD64IFUE Présentation
An 8-bit microcontroller (MCU) is a single-chip processor with an 8-bit data path, on-chip program and data memory, and integrated peripherals. The MC908LD64IFUE belongs to the HC08 family (hypernyms: 8-bit microcontroller -> microcontroller -> embedded processor -> semiconductor IC), which uses a von Neumann architecture with a common program/data address space and a simplified instruction set optimized for C-language embedded development. Within that family, the 'LD' sub-family adds a built-in LCD driver, eliminating the need for an external segment-driver IC and reducing BOM cost for meter, thermostat, and white-goods designs.
Key features of the MC908LD64IFUE include 60KB Flash program memory (in-application reprogrammable via the monitor ROM), 2KB SRAM, an internal oscillator that removes the external crystal requirement, 39 GPIO pins, a multi-channel 10-bit ADC, and a sophisticated on-chip LCD controller supporting up to 144 segment outputs. The integrated low-voltage inhibit (LVI), computer-operating-proper (watchdog) timer, and clock generator modules further reduce external component count for cost-sensitive designs.
Architecturally, the HC08 core uses a 16-bit stack pointer with an 8-bit accumulator-based ALU, supports 16-bit BTB signal extensions for LCD timing, and includes a security feature that prevents unauthorized Flash readout. The Flash memory is organized as 60K x 8 with in-circuit programming support through the standard HC08 background debug module (BDM).
Typical applications include white-goods control boards, electronic thermostats, simple metering panels, and battery-powered handheld instruments. Its small footprint and integrated LCD drive make it especially attractive for cost-driven HMI designs.
When designing with this device, verify the LCD segment count, bias, and frame frequency requirements against the on-chip LCD driver configuration registers. Decoupling and PCB layout should follow standard HC08 guidelines, with short, direct traces from the VDD/VSS pins to bulk and ceramic decoupling capacitors.
This page consolidates distributor pricing, drop-in alternative listings, and design notes not present in the standalone manufacturer datasheet, providing additional decision-support context.
Alternatives de remplacement direct pour MC908LD64IFUE — 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 MC908LD64IFUE (même facteur de forme et même empreinte) — différant par Program Memory Size, RAM Size, Core Architecture, Maximum Clock Frequency, Number of I/O.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
MC908GZ32VFUE
✅ Remplacement direct✓ En stock
$5.15 / unité
Voir la fiche technique →MC908AZ32AVFU
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MC908GR60ACFUE
✅ Remplacement direct✓ En stock
$9.65 / unité
Voir la fiche technique →MC908AZ60AMFUER
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MC908JL16CFUE
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MC908LD64IFUE Valeurs maximales et caractéristiques électriques
| Core | HC08 8-bit |
| Program Memory Type | FLASH |
| Program Memory Size | 60 KB (60K x 8) |
| RAM Size | 2 KB (2K x 8) |
| Bus Clock Speed | 6 MHz |
| Oscillator Type | Internal |
| Number of I/O | 39 |
| Boîtier | 64-QFP (14x14 mm) |
| Type de montage | Surface Mount |
| Peripherals | LCD driver, LVI, COP watchdog, ADC |
| Température de fonctionnement | -40C to +85C (industrial) |
| Lead Free | Yes |
| Statut RoHS | Compliant |
Guide de configuration des broches du MC908LD64IFUE 64-qfp (14x14 mm)
Configuration des broches du MC908LD64IFUE (boîtier 64-qfp (14x14 mm)). Ce circuit intégré numérique comprend des GPIO, des interfaces de communication (UART, SPI, I2C) et des broches d'alimentation. Consultez la fiche technique du fabricant pour les fonctions alternatives des broches et les options de configuration. Indispensable pour la conception de systèmes embarqués et la conception de circuits imprimés.
Aucune donnée de brochage détaillée disponible pour MC908LD64IFUE.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
MC908LD64IFUE convient pour 6 applications: White Goods Control Board, Electronic Thermostat, Industrial Metering Panel, Battery-Powered Handheld Instrument, Home Appliance User Interface, Automotive Dashboard Cluster (Legacy).
White Goods Control Board
The MC908LD64IFUE's integrated 144-segment LCD driver eliminates the external segment-driver IC normally required for washing-machine and dishwasher front-panel displays. With 60 KB of Flash it accommodates full state-machine firmware plus menu logic, while 39 GPIO lines handle keypad scanning, relay drivers, and triac control. The internal 6 MHz oscillator removes the external crystal, reducing BOM and assembly cost in high-volume appliance manufacturing.
Recommandé
Electronic Thermostat
Battery-powered thermostats benefit from the MC908LD64IFUE's HC08 low-power modes and integrated LCD segment driver. The device can directly drive a 3-4 common x 32-48 segment LCD for temperature and mode readouts without an external charge pump. Its 39 GPIO lines read temperature sensor inputs, drive relay outputs for HVAC control, and interface to user buttons. The 2 KB RAM is sufficient for set-point storage and scheduling logic.
Recommandé
Industrial Metering Panel
Energy and water metering panels require a robust MCU with LCD segment drive and long-term reliability. The MC908LD64IFUE's 60 KB Flash holds metering firmware, calibration tables, and tariff schedules, while the integrated LCD controller drives multi-digit consumption displays directly. The on-chip watchdog timer and LVI module ensure reliable operation in electrically noisy industrial environments.
Recommandé
Battery-Powered Handheld Instrument
The MC908LD64IFUE's HC08 STOP and WAIT modes enable low quiescent power consumption, extending battery life in handheld measurement instruments. The integrated LCD driver eliminates a separate charge-pump IC, further reducing sleep current. With 60 KB Flash and 2 KB RAM, the device supports rich measurement firmware, data logging, and multi-line segment LCD readouts for portable multimeter-type applications.
Recommandé
Home Appliance User Interface
Microwave ovens, refrigerators, and other home appliances use the MC908LD64IFUE to combine segment-LCD display driving with keypad scanning and appliance control. The 39 GPIO directly drive LEDs, key matrix, and buzzer outputs without external logic. The 64-QFP package fits standard appliance control board footprints, allowing direct migration between appliance product lines with minimal hardware changes.
Recommandé
Automotive Dashboard Cluster (Legacy)
Although the MC908LD64IFUE is not AEC-Q100 qualified, its integrated LCD segment driver is used in legacy non-safety automotive dashboard cluster designs. The HC08 core handles odometer, trip computer, and warning indicator readouts on segment LCDs. For new automotive designs, migrate to AEC-Q100-qualified S08 or Kinetis E LCD MCUs in equivalent QFP packages for ISO 26262 compliance.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour MC908LD64IFUE — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | MC908GZ32VFUE | MC908AZ32AVFU | MC908GR60ACFUE | MC908AZ60AMFUER | MC908JL16CFUE |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | Freescale Semiconductor | Freescale Semiconductor | Freescale Semiconductor | Freescale Semiconductor |
| Package | 64-QFP (14x14) | 64-QFP (14x14) - same | 64-QFP (14x14) - same | 64-QFP (14x14) - same | 64-QFP (14x14) - same | 64-QFP (14x14) - same |
| Program Memory | 60 KB Flash | 32 KB Flash | 32 KB Flash | 60 KB Flash | 60 KB Flash | 16 KB Flash |
| Integrated LCD Driver | Yes (144 segments) | Yes | No (CAN instead) | No | No (CAN instead) | No |
| Bus Clock | 6 MHz | 8 MHz | 8 MHz | 8 MHz | 8 MHz | 8 MHz |
| GPIO Count | 39 | 37 | 39 | 40 | 40 | 23 |
| Core | HC08 8-bit | HC08 8-bit | HC08 8-bit | HC08 8-bit | HC08 8-bit | HC08 8-bit |
| Lifecycle Status | Obsolete | Obsolete | Active | Obsolete | Obsolete | Obsolete |
Principaux différenciateurs
- Integrated 144-segment LCD driver (vs MC908GR60ACFUE)
- Largest Flash memory in HC08 LCD family (vs MC908GZ32VFUE)
- Lower power modes with LCD retention (vs MC908AZ32AVFU)
Notes de conception
Place the VDD and VSS pins with bulk tantalum and ceramic decoupling capacitors (typically 100 nF X7R ceramic in parallel with 10 uF tantalum) within 5 mm of the respective MCU pins. The 64-QFP exposed paddle-style die pad on QFP variants is not present here; use a solid ground pour on the top layer to improve thermal dissipation and EMI immunity for the LCD bias lines.
The HC08 core supports STOP and WAIT low-power modes for battery-powered LCD applications. Configure the LCD charge pump enable and segment bias before entering STOP to allow the LCD to retain its display during MCU sleep. Average quiescent current in STOP with LCD enabled is critical for battery-life estimation and should be measured on the target hardware rather than relying on typical datasheet figures.
When migrating between LD, GZ, GR, AZ, and JL variants, verify pinout compatibility because peripheral pin assignments differ even within the same 64-QFP package. The LCD segment pins on the LD64 are remapped to CAN or GPIO on the AZ/GR/JL families, so firmware developed for one variant will not run unmodified on another. Use the cross-reference tool or pinout spreadsheet before board respins.
Informations de conformité
RoHS compliant per NXP product page. Not AEC-Q100 qualified - not suitable for new automotive safety designs. Lifecycle is obsolete - long-term availability limited to licensed inventory partners like Rochester Electronics.