MC9S08QL8CTJ

NXP Semiconductors · S08 Series

NXP Semiconductors S08 8-bit MCU, MC9S08QL8CTJ, 20MHz core, 8KB Flash, 8KB RAM, 18 I/O, 8x12b ADC, LINbus, SCI, 1.8-3.6V, -40 to +85°C, 20-TSSOP.

NXP Semiconductors MC9S08QL8CTJ
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[IN STOCK] In Stock: 2 pcs
$2.79/ pc

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Technical specifications

MC9S08QL8CTJ specifications
Parameter / AttributeSpecification / Value
SeriesS08
MountingSurface Mount
Oscillator typeInternal
Program memory typeFLASH
Voltage - supply (Vcc (Vdd))1.8V ~ 3.6V
Operating temperature-40°C ~ 85°C (TA)
Speed20MHz
PackageTube
RAM size8K x 8
Core size8-Bit
PeripheralsLVD, PWM, WDT
ConnectivityLINbus, SCI
Number of i (O)18
Core processorS08
Case20-TSSOP (0.173\", 4.40mm Width)
Data convertersA/D 8x12b
Program memory size8KB (8K x 8)

Technical details

Peripheral set for mixed-signal and networked control

The MC9S08QL8CTJ: An 8-channel, 12-bit analog-to-digital converter brings sensor inputs directly into the digital domain — suitable for reading temperature, pressure, or current-sense signals without an external ADC. On-chip LINbus and SCI serial interfaces allow the MCU to communicate on automotive or industrial networks, while the PWM module drives loads like LEDs, solenoids, or small DC motors. Built-in Low-Voltage Detect (LVD) and Watchdog Timer (WDT) provide brown-out protection and fault recovery, reducing the need for external supervisory ICs in safety-aware designs.

18 I/O in a 20-TSSOP footprint

The 20-pin TSSOP package (4.40 mm width) delivers 18 general-purpose I/O lines — enough for a keypad matrix, a small display interface, or a handful of digital sensors — while keeping the PCB area small.

Active production with full compliance documentation

The part is ROHS3 compliant, and NXP provides the standard compliance documentation (RoHS, REACH) for export and regulatory filing.

MC9S08QL8CTJ
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