S9S08SL8F1CTJ - 8-bit 40MHz MCU 8KB Flash TSSOP-20 | NXP
MPN： S9S08SL8F1CTJ ✓ 啟用中S9S08SL8F1CTJ 概覽
An 8-bit MCU is a microcontroller whose CPU processes data in 8-bit words, sitting in the hierarchy of microcontroller -> embedded processor -> integrated circuit. MCUs combine a processor core, program memory (flash), data memory, and peripherals such as timers, ADCs, and serial interfaces on a single chip, making them the backbone of cost-sensitive embedded control systems.
Key features of the S9S08SL8F1CTJ include the 40 MHz S08 CPU core for fast interrupt response, 8 KB of in-circuit programmable flash for firmware storage, an integrated LIN slave interface controller (SLIC) that offloads LIN 2.x protocol handling from software, and an integrated EEPROM block for non-volatile parameter storage without external memory. The device operates over a -40 C to +85 C industrial temperature range per distributor data (LCSC) and includes a 10-bit ADC for analog signal measurement.
Technically, the S08SL family is built on a 0.25 um process (per NXP part description: 9S08 UC W/ 32K 0.25UM SG) and targets automotive LIN slave nodes such as window lifters, seat controls, wiper modules, and lighting modules. The SLIC subsystem reduces CPU load and simplifies certification of LIN slave communication stacks.
Typical applications include LIN bus slave nodes in automotive body electronics, small appliance and HVAC control boards, battery-powered sensor nodes, and low-cost industrial actuators where an 8-bit MCU with LIN connectivity reduces system cost.
For design, verify the exact supply voltage range, EEPROM size, and peripheral allocation in the NXP S08SL reference manual, as these parameters vary across family members and temperature grades. Confirm the CTJ suffix grade matches your ambient requirements.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet, with pricing and availability verified against distributor listings as of 2026-10-18.
直接替換替代品，適用於 S9S08SL8F1CTJ — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： S9S08SL8F1CTJ （相同外形與佔位） — 差異在於 Core Processor, Package, Program Memory Size, EEPROM Size, Operating Temperature.
MC9S08SL16CTJ
✅ 直接替換聯絡詢價
查看資料表 →S9S08SL16F1MTJ
✅ 直接替換📋 參考替代品（不在目錄中）
S9S08SL8F1CTJR
✅ 直接替換📋 參考替代品（不在目錄中）
S9S08SG16E1CTJ
✅ 直接替換聯絡詢價
查看資料表 →S9S08SG16E1CTJR
✅ 直接替換📋 參考替代品（不在目錄中）
MC9S08PT8AVTJ
✅ 直接替換📋 參考替代品（不在目錄中）
S9S08SL8F1CTJ 最大額定值與電氣特性
| Core Processor | S08 8-bit |
| Core Size | 8-bit |
| 最大時脈頻率 | 40 MHz |
| Flash Memory | 8 KB (8K x 8) |
| ADC Resolution | 10-bit |
| LIN Interface | Embedded slave LIN interface controller (SLIC) |
| 封裝 | 20-TSSOP (0.173 in, 4.40 mm width) |
| 安裝類型 | Surface Mount |
| 工作溫度 | -40 C to +85 C |
| 濕度敏感等級 (MSL) | 3 |
| Peak Reflow Temperature | 260 C |
| Maximum Time at Peak Reflow Temperature | 40 s |
| Terminal Finish | Tin (JESD-609 Code e3) |
| Process Technology | 0.25 um |
| RoHS 狀態 | Compliant |
S9S08SL8F1CTJ 20-tssop (0.173 in, 4.40 mm width) 腳位配置指南
S9S08SL8F1CTJ（20-tssop (0.173 in, 4.40 mm width) 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： S9S08SL8F1CTJ.
請參閱 資料表 以查看完整腳位配置。
典型應用
S9S08SL8F1CTJ 適用於 6 應用s: Automotive LIN Slave Nodes, HVAC and Blower Control Modules, Lighting Control Modules (Interior/Exterior), Small Appliance and Tool Control Boards, Battery-Powered Sensor Nodes, Industrial Actuator and Pump Control.
Automotive LIN Slave Nodes
The S9S08SL8F1CTJ was purpose-built for LIN slave nodes: its embedded slave LIN interface controller (SLIC) offloads LIN 2.x frame handling, wake-up detection, and header response from the CPU, freeing the 40 MHz S08 core for application logic. NXP explicitly markets the S08SL family with SLIC and EEPROM to increase LIN slave performance and reduce development time. In a typical node such as a window lifter or seat adjust module, the MCU sits between the LIN transceiver and the actuator driver H-bridge, handling the 19.2 kbps LIN bus while controlling motor direction and current via PWM. The integrated EEPROM stores seat position and calibration data across power cycles without an external memory chip, cutting BOM cost and board area in cost-driven body electronics platforms.
推薦
HVAC and Blower Control Modules
Automotive and appliance HVAC controllers benefit from the S9S08SL8F1CTJ's combination of a 10-bit ADC, 8 KB flash, and LIN connectivity. The 10-bit ADC reads NTC temperature sensors, potentiometer position feedback, and supply-voltage supervision signals with roughly 5 mV resolution on a 5 V reference, sufficient for closed-loop temperature regulation. The SLIC LIN controller lets the blower module respond to climate-control master commands without a heavy software protocol stack, and the EEPROM retains fault codes and learned blower-curve calibration data. Operating from -40 C to +85 C, the CTJ grade covers cabin and under-dash ambient conditions. PWM outputs from the S08 timer modules drive blower motor stages or brushless driver ICs, while the 40 MHz bus supports fast PID loop execution for stable airflow control.
推薦
Lighting Control Modules (Interior/Exterior)
Interior ambient lighting and exterior lamp modules use the S9S08SL8F1CTJ as a LIN-controlled LED driver sequencer. The SLIC LIN slave controller receives brightness commands and fault polling from the body controller master, while the 10-bit ADC monitors LED current-sense resistors and diagnostic feedback for open/short detection, supporting LED fault reporting required in automotive lighting architectures. The S08 timer channels generate dimming PWM at frequencies above audible range to eliminate flicker and whine, and the 8 KB flash accommodates a LIN transport layer plus dimming curves stored in the integrated EEPROM. With a 20-TSSOP footprint of roughly 6.5 x 4.4 mm, the MCU fits compact lamp driver PCBs. For exterior lamps exposed above +85 C, migrate to the automotive-qualified S9S08SL16F1MTJ on the same footprint.
推薦
Small Appliance and Tool Control Boards
Cost-sensitive appliance controllers - kettles, fans, coffee machines, power tools - adopt the S9S08SL8F1CTJ for its single-chip integration of flash, EEPROM, 10-bit ADC, and timers. The 10-bit ADC digitizes button matrices via resistor ladders, NTC temperature probes, and zero-cross detection signals from the mains, while timer PWM drives triac/optocoupler firing circuits or DC motor bridges. The 8 KB flash holds the full control state machine plus LIN or UART-based service interfaces, and the EEPROM stores user preferences and usage counters. The 20-TSSOP package supports standard surface-mount assembly, MSL 3 handling, and 260 C reflow profiles used in high-volume consumer manufacturing. The -40 C to +85 C rating provides margin for enclosure-internal temperatures near heating elements.
推薦
Battery-Powered Sensor Nodes
The S08SL family's low-power S08 architecture suits battery-operated sensor nodes that report over LIN or a UART link. The MCU spends most of its life in stop mode, waking on LIN bus activity via the SLIC's wake detection or on timer/ADC events to sample a sensor with the 10-bit ADC, transmit the reading, and return to sleep - a duty cycle that extends battery life substantially versus always-on operation. The integrated EEPROM stores sensor calibration coefficients and node addressing without external non-volatile memory, saving board space and quiescent cost. Typical nodes include fluid-level sensors, position sensors with potentiometer feedback, and temperature hubs in distributed 12 V/24 V systems. Designers should verify exact stop-mode current in the NXP S08SL datasheet to finalize battery sizing.
推薦
Industrial Actuator and Pump Control
In industrial equipment, the S9S08SL8F1CTJ serves as a compact actuator controller driving valves, dampers, and small pumps under a higher-level fieldbus master. The 40 MHz S08 core executes closed-loop position or flow control at kilohertz rates using 10-bit ADC feedback from potentiometers or hall-effect current sensors, while timer PWM outputs command driver stages. A UART or LIN link (via the SLIC) connects the node to the system controller, and the EEPROM retains actuator end-stop calibration and diagnostic counters across power cycles. The -40 C to +85 C industrial temperature range and RoHS-compliant, MSL 3, 260 C-reflow-rated TSSOP-20 package simplify integration into standard industrial PCB assembly flows. The 8 KB flash is sufficient for PID control, command parsing, and fault-management state machines.
推薦
推薦產品摘要
工程參考資料，適用於 S9S08SL8F1CTJ — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | MC9S08SL16CTJ | S9S08SL16F1MTJ | S9S08SL8F1CTJR | S9S08SG16E1CTJ | MC9S08PT8AVTJ |
|---|---|---|---|---|---|---|
| Package | 20-TSSOP (4.40 mm) | 20-TSSOP - same | 20-TSSOP - same | 20-TSSOP - same | 20-TSSOP - same | 20-TSSOP - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Flash Memory | 8 KB | 16 KB | 16 KB | 8 KB | 16 KB | 8 KB |
| LIN Slave Controller (SLIC) | Yes | Yes | Yes | Yes | No (SG series peripherals) | No (PT series peripherals) |
主要差異化特點
- Integrated SLIC LIN slave controller (對比S9S08SG16E1CTJ)
- Lowest-cost memory point in the SL family (對比S9S08SL16F1MTJ)
- Integrated EEPROM eliminates external NVM (對比MC9S08PT8AVTJ)
設計說明
Confirm the temperature grade suffix before release: the CTJ grade is rated -40 C to +85 C per LCSC distributor data, while the MTJ variant of the SL16 family extends to +125 C. Using the SL8 in under-hood or lamp-adjacent locations above 85 C ambient violates the operating range and will not be caught in bench testing. Similarly, the S9S08SL8F1CTJR differs from the CTJ only in packaging (tape and reel) - not electrically - so avoid conflating the two when specifying reel quantities for production assembly.
The 20-TSSOP package has 0.5 mm pin pitch: design land patterns per the NXP package drawing and use a standard SMT stencil; MSL 3 parts require baking if exposed beyond floor-life after opening the moisture-barrier bag. The rating of 260 C peak reflow for 40 s (per Vyrian component data) fits standard lead-free reflow profiles, but verify your oven profile does not exceed the 40 s time above peak. Keep the LIN transceiver and its bulk capacitor close to the MCU supply pins, and route the LIN line away from the ADC inputs to protect 10-bit measurement accuracy.
Estimated: the exact supply voltage range is not published in the retrieved distributor data, so pull the VDD range, brown-out thresholds, and stop/wait mode currents from the NXP S08SL family datasheet before finalizing the power tree. For automotive 12 V rails, place a transient-suppressed 5 V (or 3.3 V) regulator ahead of the MCU and size the regulator for LIN transceiver current plus MCU load. Decouple VDD with 100 nF ceramic at each supply pin plus 4.7-10 uF bulk near the regulator output, per standard S08-family power design practice in NXP reference designs.
合規資訊
RoHS compliant per PCB Electronics distributor listing; terminal finish Tin with JESD-609 code e3 (lead-free) per Vyrian component data. AEC-Q100 qualification not stated for the CTJ grade - the SL16 MTJ variant is the automotive-qualified family member.
