Z86E4412ASG - 8-Bit 12MHz 16KB OTP MCU | Zilog
Référence : Z86E4412ASG ✓ ActifZ86E4412ASG Présentation
A microcontroller is an integrated circuit that combines a processor core, program memory, data memory, and peripheral functions into one device. Within the product hierarchy, the Z86E4412ASG is a microcontroller IC, a member of the Z8 family, and a general-purpose embedded controller. It executes firmware stored in OTP memory and can be used to monitor inputs, control outputs, and coordinate system behavior without external program-memory devices.
The principal specifications are a maximum clock frequency of 12 MHz, 16 KB of OTP program memory organized as 16K by 8 bits, a 3.5 V to 5.5 V supply range, and a 44-pin LQFP package. The product listing also identifies 236 bytes of additional memory and a 32-pin count associated with the device interface. These characteristics position the part for compact embedded designs where moderate processing speed and one-time field programming are more important than large flash-memory capacity.
The Z86E4412ASG belongs to the Zilog Z8 family of 8-bit controllers. One-time-programmable memory allows firmware to be fixed during manufacturing or deployment, providing a stable control implementation that cannot be rewritten through the normal programming interface. The 10 mm by 10 mm LQFP footprint also exposes a substantial number of external connections compared with smaller surface-mount packages, supporting a broader selection of peripherals and mixed-signal interfaces.
Typical applications include appliance control, industrial sequence controllers, motor and relay interfaces, metering equipment, and compact embedded systems with human-machine interfaces. A 12 MHz clock provides sufficient execution bandwidth for supervisory control loops, while the 3.5 V to 5.5 V range supports common industrial and embedded supply systems.
Before circuit implementation, confirm the complete pin assignments, peripheral availability, electrical limits, and programming procedure in the Zilog datasheet. The 44-pin package requires careful decoupling, adequate ground connectivity, and signal-routing discipline to prevent switching noise or supply transients from affecting embedded control behavior.
This page organizes the verified device identity, package characteristics, sourcing information, application guidance, and design checks needed to evaluate the Z86E4412ASG. It also distinguishes documented facts from parameters that should be confirmed from the manufacturer documentation before schematic release or PCB layout approval.
Alternatives de remplacement direct pour Z86E4412ASG — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Z86E4400ZDV
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
Z86E4400ZDF
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
Z86E4412ASG Valeurs maximales et caractéristiques électriques
| Product Type | 8-bit Z8 microcontroller IC |
| Fréquence d'horloge maximale | 12 MHz |
| Program Memory Type | One-time programmable (OTP) |
| Program Memory Size | 16 KB (16K x 8 bits) |
| Tension d'alimentation de fonctionnement | 3.5 V to 5.5 V |
| Additional Memory | 236 bytes |
| Interface Pin Count | 32 pins |
| Total Package Pin Count | 44 pins |
| Package Type | LQFP |
| Package Dimensions | 10 mm x 10 mm |
| Type de montage | Surface mount |
| CPU Architecture | 8-bit |
| Microcontroller Family | Z8 |
| Program Memory Write Capability | One-time programmable; not flash-rewriteable |
| Statut RoHS | Compliant |
Guide de configuration des broches du Z86E4412ASG 10 mm x 10 mm
Configuration des broches du Z86E4412ASG (boîtier 10 mm x 10 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 Z86E4412ASG.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
Z86E4412ASG convient pour 6 applications: Appliance Control, Industrial Sequence Control, Metering and Measurement, Motor and Relay Interface Control, Compact Human-Machine Interface Controller, Programmed Embedded Control Module.
Appliance Control
The Z86E4412ASG fits appliance controllers that supervise operating modes, operate relays, monitor switches, and coordinate indicators. Its 8-bit architecture and 12 MHz maximum clock provide adequate control throughput for supervisory tasks, while 16 KB of OTP program memory supports fixed appliance firmware. The 3.5 V to 5.5 V operating range fits regulated embedded rails. Engineers should verify the required timers, I/O levels, and interrupt assignments in the manufacturer pin table before finalizing the appliance schematic.
Recommandé
Industrial Sequence Control
The Z86E4412ASG can serve as the central controller in a compact industrial sequence system that coordinates discrete inputs, relay outputs, timing events, and fault flags. A 12 MHz 8-bit processor is suitable for deterministic supervisory loops, and the 16 KB OTP area holds production-fixed control logic. The 44-pin LQFP offers more external connections than a small dual-inline package, helping accommodate sensing, actuation, and communication connections. Production design should confirm isolation, logic thresholds, and power-failure behavior in the Zilog documentation.
Recommandé
Metering and Measurement
The Z86E4412ASG is appropriate for metering equipment that accumulates measurements, applies calibration constants, drives a display, and records operating status. Its 16 KB OTP memory can contain fixed measurement and compensation routines, while the 3.5 V to 5.5 V range supports regulated instrument rails. Before choosing the device, engineers should confirm whether the required analog-to-digital converter resolution, input count, timer channels, and serial interface are present; those peripheral details must be checked in the manufacturer documentation.
Recommandé
Motor and Relay Interface Control
The Z86E4412ASG can coordinate relays, solenoids, and small motor-control interfaces where the controller handles sequencing rather than directly driving high-current loads. Its 12 MHz clock supports timely task scheduling, while 44 package pins provide connections for control outputs and status inputs. External drivers, protection devices, and isolation networks remain necessary. Verify the available timer outputs, interrupt vectors, and pin-drive characteristics against the Zilog datasheet, then include flyback or surge protection according to the driven load.
Recommandé
Compact Human-Machine Interface Controller
The Z86E4412ASG can act as the embedded controller for a compact keypad, display, buzzer, and status-indicator interface. Its 8-bit processing core and 16 KB OTP memory are suitable for fixed menu and state-machine firmware, while the 44-pin LQFP supports the required external connections. Engineer the display and input circuitry to match the controller's electrical limits, and use the manufacturer timing and pin documentation to prevent bus contention during startup and firmware updates in production.
Recommandé
Programmed Embedded Control Module
The Z86E4412ASG works well in a production-programmed module where appliance identity, calibration, or control logic must remain fixed after deployment. Its 16 KB of one-time-programmable memory provides 16K by 8 bits of nonvolatile program storage, while the 12 MHz clock supports the operating logic. The 3.5 V to 5.5 V range allows integration with common regulated supplies. Because OTP is not intended for routine rewriting, all firmware validation, calibration values, and configuration bits must be complete before programming.
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Récapitulatif des produits recommandés
Données de référence d'ingénierie pour Z86E4412ASG — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit |
|---|---|
| Manufacturer | Zilog |
| Package | 44-pin LQFP, 10 mm x 10 mm |
| CPU Architecture | 8-bit |
| Maximum Clock Frequency | 12 MHz |
| Program Memory | 16 KB OTP (16K x 8 bits) |
| Operating Supply Voltage | 3.5 V to 5.5 V |
| Additional Memory | 236 bytes |
| Interface Pin Count | 32 pins |
| RoHS Status | Compliant |
Principaux différenciateurs
- The verified product identity combines a 12 MHz clock with 16 KB of OTP program memory. (vs Z86E4400ZDV)
- The programming model is identified specifically as one-time programmable rather than flash. (vs Z86E4400ZDF)
- The device provides a documented 44-pin LQFP footprint for embedded-control connections. (vs Z86E4412ASG)
Notes de conception
Place the required supply bypass capacitors close to the device power pins and provide a low-impedance ground return on the 44-pin LQFP footprint. Follow the manufacturer datasheet for capacitor values, permitted ESR, and voltage ratings. Because the package has no matching 44-pin key in the diagram library, use the manufacturer land pattern directly rather than adapting a 48-pin drawing.
Assign oscillator, programming, interrupt, and serial-interface pins directly from the Z86E4412ASG pin-description table. Keep sensitive timing or measurement paths short, separate from switching outputs, and avoid routing high-current load returns beneath the microcontroller. Confirm pin multiplexing and alternate-function behavior before finalizing the schematic because neighboring Z8 members may use the same package with different assignments.
Do not treat OTP program memory as repeatedly rewritable flash. Validate firmware, constants, calibration values, and configuration bits before programming, and include a controlled manufacturing workflow for rejects. Also do not assume that Z86E4400ZDV or Z86E4400ZDF is pin-compatible merely because it appears in a comparison listing; verify the package drawing, electrical limits, memory, timers, and interrupts individually.
Use a regulator that keeps the Z86E4412ASG supply within 3.5 V to 5.5 V across temperature, load, and transient conditions. Check input-voltage limits and I/O thresholds in the manufacturer datasheet before connecting external signals. If an external bus or sensor can exceed the local supply, add appropriate level translation or isolation rather than relying on an internal clamp path.
Informations de conformité
RoHS compliance is identified for the exact Z86E4412ASG listing. No additional compliance declarations are established by the manufacturer product information.
