Z86C9116FSC 16MHz ROMless 8-Bit MCU | Zilog
부품 번호: Z86C9116FSC ✗ 단종Z86C9116FSC 개요
An 8-bit microcontroller is a microprocessor core, memory interface, and peripheral set integrated on one semiconductor die. The Z8 family belongs to the broader microcontroller and embedded-controller hierarchy, where firmware controls sensors, relays, user interfaces, communications, and power functions. Unlike a ROM-based device, the ROMless Z86C9116FSC requires an external program-memory device, allowing the program capacity and interface arrangement to be selected according to the finished system.
The verified product information identifies a 16 MHz operating speed, 236 bytes of RAM, 32 I/O pins, two 8-bit timers, and one UART interface. These resources support basic sequential control, periodic timing, serial communication, and digital input/output tasks. The 44-LQFP package provides 44 physical leads for power, ground, clock, reset, programming, I/O, and external-memory connections, although exact lead assignments are not included in the supplied source data.
The ROMless architecture is the principal engineering distinction of this Z8 device. External program memory allows firmware capacity to scale with the application, but the PCB must also provide the external memory interface, address and data routing, and associated signal-integrity measures. Designers should therefore evaluate the complete memory subsystem rather than treating the microcontroller package as a self-contained storage solution.
Typical uses include small industrial controllers, appliance-control boards, keypad interfaces, communication modules, motor or relay sequencers, and compact embedded products that benefit from the Z8 instruction set and dedicated timers. External program memory is appropriate when a fixed application program must be loaded during manufacturing rather than stored in an internal ROM mask.
A primary design consideration is package and memory-interface validation. Confirm the exact Z86C9116FSC pin assignment, external-memory requirements, clock configuration, and programming connection against the manufacturer documentation before layout release. Because the available verified data does not include a complete pinout or numerical distributor price schedule, those details remain explicitly unresolved rather than being inferred.
This product page consolidates the verified distributor specifications, purchasing sources, package information, and engineering guidance for the Z86C9116FSC. It also distinguishes verified facts from missing electrical, pinout, pricing, and lifecycle details, helping engineers assess fit before committing to a PCB design or production order.
드롭인 대체품: Z86C9116FSC — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 제품에는 사용 가능한 드롭인 대체품이 없습니다.
대체품 요청Z86C9116FSC 최대 정격 & 전기적 특성
| Microcontroller Type | 8-bit ROMless microcontroller |
| Architecture | Z8 |
| 최대 클록 주파수 | 16 MHz |
| Program Memory | ROMless; external program memory required |
| RAM | 236 bytes |
| I/O Count | 32 I/O |
| Timer Count | 2 8-bit timers |
| Communication Interface | UART |
| 패키지 | 44-LQFP (10 mm x 10 mm) |
| 핀 수 | 44 pins |
| 실장 유형 | Surface mount |
Z86C9116FSC 44-lqfp (10 mm x 10 mm) 핀 구성 가이드
Z86C9116FSC(44-lqfp (10 mm x 10 mm) 패키지)의 핀 구성입니다. 이 디지털 IC에는 GPIO, 통신 인터페이스(UART, SPI, I2C), 전원 핀이 포함되어 있습니다. 대체 핀 기능과 구성 옵션은 제조사 데이터시트를 참조하십시오. 임베디드 시스템 설계와 PCB 레이아웃에 필수적입니다.
다음에 대한 상세 핀아웃 데이터 없음: Z86C9116FSC.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
Z86C9116FSC 적합 용도: 6 애플리케이션s: Industrial Appliance Controller, Serial Communication Module, Keypad and Display Interface, Relay and Sequencer Control, Smart Sensor Interface, Programmable Logic Controller.
Industrial Appliance Controller
The Z86C9116FSC fits a compact appliance-control board that coordinates user inputs, indicators, actuators, and serial diagnostics. Its 16 MHz Z8 core provides control-loop processing, while two verified 8-bit timers support periodic tasks and timing functions. The 32 I/O positions offer substantial digital connectivity, and the UART permits a service interface to a higher-level controller. Because the device is ROMless, application code can be stored in external program memory and loaded during manufacturing, which offers a different provisioning model from a mask-ROM MCU.
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Serial Communication Module
The Z86C9116FSC can serve as the protocol controller in a small communications module that receives commands over its UART and operates digital I/O on the external bus. The verified 16 MHz clock provides computational headroom for framing, validation, and state-machine processing, while 236 bytes of RAM can support short packet buffers. External program memory separates firmware storage from the MCU itself, making this arrangement useful where update policy or manufacturing flexibility matters. Designers should verify UART electrical levels and timing from the full datasheet before connecting it to a transceiver.
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Keypad and Display Interface
A Z86C9116FSC is appropriate for a keypad, LED, or small display interface that requires many digital signals and deterministic periodic updates. Its 32 I/O pins can distribute scanning and indicator-control functions, while the two 8-bit timers can support scanning intervals and timeout handling without excessive software polling. The UART provides an optional connection to a host processor or service console. External program memory permits application firmware to be loaded at production, while the 236-byte RAM supports a bounded working set. Display-specific voltage and timing requirements remain subject to the missing electrical specifications.
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Relay and Sequencer Control
The Z86C9116FSC can implement a deterministic relay, lamp, or step-sequence controller for compact equipment. The two verified 8-bit timers are useful for timing activation intervals, debounce periods, and interlock delays, while the 32 I/O pins provide direct connections to control outputs and switch inputs. The 16 MHz processor can coordinate state machines and fault responses. Since the MCU is ROMless, each manufactured unit can receive the same externally stored application program, supporting production flexibility. Relay drivers, isolation, and flyback protection must be designed separately around the MCU.
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Smart Sensor Interface
The Z86C9116FSC can act as a small sensor-conditioning and routing controller in a compact IoT or embedded sensor node. Its 32 I/O lines can accommodate discrete sensors, thresholds, indicators, and configuration switches, while the UART allows data transfer to a radio, gateway, or host processor. The two timers support periodic sampling and communication timing, and the 236-byte RAM is adequate for short-lived measurements and protocol state. External program memory enables application code to be provisioned during assembly. Power-conscious deployments should wait for verified operating-current data before estimating battery life.
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Programmable Logic Controller
The Z86C9116FSC can serve as the processing element of a small PLC or embedded sequencer that reads discrete inputs, executes control logic, and drives outputs. The Z8 architecture operates at 16 MHz, the two 8-bit timers support repetitive scheduling, and the UART enables programming, monitoring, or connection to a human-machine interface. Thirty-two I/O positions make the device relevant for compact machines with a modest signal count. Because program memory is external, the complete controller board must include that memory and its bus routing. Functional safety and long-term availability should be assessed separately for deployed industrial equipment.
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추천 제품 요약
엔지니어링 참조 데이터: Z86C9116FSC — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 |
|---|---|
| Package | 44-LQFP (10 mm x 10 mm) |
| Brand | Zilog |
| Architecture | Z8 |
| CPU Width | 8-bit |
| Maximum Clock Frequency | 16 MHz |
| Program Memory | ROMless; external program memory required |
| RAM | 236 bytes |
| I/O Count | 32 I/O |
| Timers | 2 8-bit timers |
| Serial Interface | UART |
주요 차별점
- ROMless program-memory architecture supports external firmware storage (vs ROM-based 8-bit MCUs)
- 32 I/O positions in a compact controller (vs Lower-I/O 8-bit MCUs)
- Dedicated timing and serial resources for compact embedded control (vs Minimal GPIO-only controllers)
설계 노트
Treat the external program-memory interface as a dedicated high-speed routing problem. Keep address, data, and control traces short, provide continuous return paths, and place any required termination or decoupling exactly where the manufacturer reference design specifies. Confirm the complete 44-LQFP lead assignment before routing because the supplied verified sources establish the package and pin count but do not publish an individual signal list.
Validate the final supply-voltage range and operating-current limits from the manufacturer datasheet before designing the power tree. The verified data does not include supply current, standby current, or voltage limits. Do not infer those values from the 16 MHz clock rating; instead size the regulator and local decoupling using the worst-case clock, I/O, and external-memory activity in the completed system.
Place required clock, reset, and decoupling components close to their associated pins and preserve the package's exposed thermal and layout requirements once confirmed from the datasheet. If the external memory bus includes a clock signal, maintain a short and properly referenced route and test the finished board for signal integrity at the intended 16 MHz operating condition and across the external-memory access pattern.
Do not substitute a related Z86C9116 order code solely because it uses the same family name. Package suffix, external-memory interface, programming signals, and peripheral mapping must all match. The supplied cross-reference results contain search tools and the original part listing but no verified pin-compatible replacement, so an unverified candidate should not be released as a drop-in substitute without a complete footprint and pinout comparison.
규정 준수 정보
The supplied verified results do not provide part-specific RoHS, REACH, lead-free, halogen-free, conflict-minerals, or automotive qualification declarations. AEC-Q100 is marked not_applicable because the supplied data does not identify this product as an automotive-qualified device; this is not an automotive qualification claim.
