Z86E6116FSC - 16MHz 8-Bit OTP Microcontroller | Zilog
MPN: Z86E6116FSC ✓ ActiveZ86E6116FSC Overview
An 8-bit microcontroller is a programmable semiconductor that integrates a CPU, memory, and peripherals on one chip. Within the product hierarchy, this device belongs to the Z8 family of 8-bit microcontrollers and belongs broadly to the integrated-circuit and embedded-controller categories. Z8 devices combine a compact processor architecture with dedicated I/O and serial-interface resources for cost-sensitive embedded control.
The verified device data identifies a 16 MHz operating clock, 16 KB of OTP program memory organized as 16K by 8 bits, and 236 bytes of general-purpose RAM. The listing also identifies a UART interface, making the MCU suitable for designs that need a simple serial communications channel. Its 44-LQFP package provides a higher pin count than a basic 8-bit controller and supports more external connections in a surface-mount production PCB.
The Z8 architecture is designed for embedded-control workloads where modest processing throughput is sufficient. Program storage is one-time-programmable rather than mask-programmable or electrically reprogrammable, which can simplify production control by preventing accidental changes after programming. The 16 MHz operating rate supports time-based control, input scanning, state-machine logic, and communication routines without requiring a higher-bit-class processor.
Typical uses include appliance controllers, small industrial automation modules, instrument panels, communication interfaces, and embedded peripheral controllers. The UART is particularly relevant where an external host computer, display, sensor interface, or service connector uses a serial link. Engineers should confirm the exact peripheral pin multiplexing, electrical limits, timing characteristics, and programming procedure against the manufacturer datasheet before finalizing a PCB or firmware.
One important design consideration is that OTP memory cannot be revised after programming. Firmware validation, programming-file control, and assembly-line traceability therefore need to be planned before deployment. Supply voltage, clock tolerances, I/O limits, reset behavior, and absolute maximum ratings are not present in the supplied excerpts and must be verified in the complete manufacturer datasheet.
This product page consolidates the verified distributor specifications, package information, sourcing links, family relationships, and engineering cautions for Z86E6116FSC. It also distinguishes confirmed technical facts from unavailable details and avoids presenting unverified pricing, pin assignments, or drop-in replacements as authoritative.
Drop-in alternatives for Z86E6116FSC — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
No drop-in alternatives available for this product.
Request AlternativesZ86E6116FSC Maximum Ratings & Electrical Characteristics
| Microcontroller Type | 8-bit Z8 microcontroller |
| Maximum CPU Clock Frequency | 16 MHz |
| Program Memory Type | One-time-programmable OTP |
| Program Memory Capacity | 16 KB (16K x 8 bits) |
| RAM Capacity | 236 x 8 bytes (236 bytes) |
| Serial Interface | UART |
| Package Type | 44-LQFP |
| Package Dimensions | 10 mm x 10 mm |
| Mounting Type | Surface mount |
| Core Family | Z8 |
| Programming Method | One-time programming |
Z86E6116FSC 10 mm x 10 mm Pin Configuration Guide
Pin configuration for Z86E6116FSC (10 mm x 10 mm package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for Z86E6116FSC.
Refer to the datasheet for full pin configuration.
Typical Applications
Z86E6116FSC is suitable for 6 applications: Small appliance control, Serial-connected embedded module, Industrial peripheral controller, Instrument panel controller, Sensor and actuator interface module, Programmable control product.
Small appliance control
The Z86E6116FSC fits small appliance controllers where the required logic is modest but timing and serial communication still matter. Its 16 MHz Z8 core provides useful processing headroom for switch scanning, state management, and supervisory routines, while 16 KB of OTP program memory is appropriate for fixed production firmware. The 236 bytes of RAM can support working variables, buffers, and status structures, although the final allocation must be checked against the actual application. The UART can connect the controller to a display module, service port, or external sensor interface. Because the program memory is one-time-programmable, the appliance maker should fully validate firmware and production programming files before committing devices.
Recommended
Serial-connected embedded module
The Z86E6116FSC is appropriate for a compact embedded module that communicates through a UART with a host processor, display, keypad, or service tool. Its confirmed 16 MHz operating frequency supports responsive polling and protocol handling, while 236 bytes of RAM provides limited working space for packet processing and buffering. The 16 KB OTP area can hold a fixed protocol stack and application logic when code size remains within that budget. Designers should use a 44-pin LQFP footprint rather than assume a smaller package because the verified ordering information identifies a 10 mm by 10 mm surface-mount device. UART voltage levels, baud-rate limits, and available I/O multiplexing require confirmation from the full datasheet.
Recommended
Industrial peripheral controller
The Z86E6116FSC can serve as a dedicated peripheral controller in an industrial system when a small 8-bit processor is sufficient for deterministic I/O handling. Its 16 MHz clock is suitable for timed scanning, discrete control logic, and communication servicing, while the UART provides a straightforward supervisory link. The 44-LQFP package exposes more connections than a minimal controller package and supports a conventional surface-mount assembly process. Industrial use nevertheless requires checking the operating-temperature range, supply limits, ESD performance, and relevant compliance documentation because those values are not present in the supplied excerpts. OTP memory also makes revision control important: production firmware must remain traceable to every programmed device.
Recommended
Instrument panel controller
The Z86E6116FSC is suitable for an instrument-panel or human-interface controller that coordinates inputs, indicators, and a serial host link. Its 16 MHz Z8 core can execute keypad polling, display sequencing, and configuration logic, while the integrated UART allows connection to a display or service interface. The 236 bytes of RAM is a meaningful constraint for multi-buffer graphics or elaborate touch processing, so the firmware should use compact state structures and avoid unnecessary data copies. The 16 KB OTP program area can support a fixed control application once interrupt routines and drivers are included. Before layout, engineers must obtain the detailed 44-pin assignment, electrical characteristics, and timing data because the supplied distributor excerpts do not expose those details.
Recommended
Sensor and actuator interface module
The Z86E6116FSC can act as a local sensor-and-actuator interface when the design needs digital I/O, timing, and UART connectivity but not substantial data processing. The 16 MHz core is capable of managing discrete inputs, debouncing, output sequencing, and compact protocol conversion, while 236 bytes of RAM is adequate for small working sets rather than large sample buffers. The UART can bridge the module to a central controller or configuration host. The MCU does not replace precision analog front-end circuitry, so sensor excitation, signal conditioning, and actuator protection must be designed separately. Because OTP code cannot be corrected after programming, field-update requirements should be evaluated before selecting this device for a configuration that may need firmware changes.
Recommended
Programmable control product
The Z86E6116FSC suits a production control product where each unit receives a fixed program during manufacturing. One-time-programmable memory helps prevent accidental field modifications and can simplify production-control procedures compared with a user-programmable architecture. The 16 MHz Z8 core supports real-time control behavior, and the UART provides a commissioning or configuration channel. Engineers should establish a signed firmware-release process, programming-station traceability, and end-of-line verification because an OTP mistake cannot be corrected by reflashing. The 44-LQFP package is suited to automated surface-mount assembly but requires thermal-pad and copper-layout details from the manufacturer drawing. No alternate MCU should be approved as a drop-in replacement without verifying all 44 pins and peripheral behavior.
Recommended
Recommended Products Summary
Engineering reference data for Z86E6116FSC — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product |
|---|---|
| Package | 44-LQFP (10 mm x 10 mm) |
| Brand | Zilog |
| CPU Architecture | 8-bit Z8 |
| Maximum Clock Frequency | 16 MHz |
| Program Memory | 16 KB OTP |
| General-Purpose RAM | 236 bytes |
| Serial Interface | UART |
| Programming | One-time programmable |
| Mounting Type | Surface mount |
Key Differentiators
- Fixed-code production suitability (vs Z86C61)
- Compact integration (vs Z86C63)
- Verified production identity (vs Unverified generic MCU substitutes)
Design Notes
Do not assume that a related Z8 family device is a drop-in replacement. The supplied material describes the Z86E6116FSC as related to the pin-compatible EPROM versions Z86C61 and Z86C63, but it does not confirm an LQFP-44 ordering option or identical peripheral behavior. Before changing the BOM, compare every package pin, power requirement, oscillator connection, UART function, programming method, memory size, and interrupt vector with the complete manufacturer datasheets.
Base the footprint on the verified 44-LQFP 10 mm by 10 mm package, but confirm pad dimensions, exposed-pad requirements, pin numbering, and solder-mask recommendations against the official package drawing. The excerpts do not establish whether the thermal pad is electrically connected to a supply or ground, so treating the exposed pad as an unspecified thermal land can create an unintended net. Validate the land pattern with the board house before release.
Supply voltage, input thresholds, output-drive limits, and absolute maximum ratings are not included in the verified excerpts. Determine the operating range from the manufacturer datasheet and ensure every connected UART or I/O signal remains within the device's electrical limits. If the module uses a 5 V interface, verify 5 V tolerance separately; if it uses 3.3 V logic, confirm level translation and pull-up requirements rather than assuming compatibility.
OTP program memory creates a production-control risk because a programming error cannot be corrected through normal firmware reflashing. Lock the released binary and programming parameters under change control, use a verified programming fixture, record each device identifier, and perform an end-of-line functional test. Reserve programming-access pins in the PCB design until the exact programming interface and timing requirements have been checked in the datasheet.
Compliance Information
The supplied distributor and manufacturer-page excerpts do not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. These fields remain unknown rather than being inferred from the package or product category.