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NXP Semiconductors MC9S08QL8CTG — Microcontrollers & Processors (MCU / MPU / DSP)

NXP MC9S08QL8CTG 8-bit MCU, 20 MHz, 8 KB Flash, 16-TSSOP

MPNMC9S08QL8CTG
End of Life

NXP S08 series 8-bit MCU, MC9S08QL8CTG, 20 MHz, 8 KB Flash, 8 KB RAM, 1.8 V to 3.6 V supply, 14 I/O, LINbus/SCI, 8x12-bit ADC, -40°C to 85°C, 16-TSSOP.

$2.12Ref. price · indicative, final on quote
NXP Semiconductors MC9S08QL8CTG datasheet (PDF)
Packaging16-TSSOP (0.173", 4.40mm Width)
RoHSROHS3 Compliant
SeriesS08
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

MC9S08QL8CTG specifications
ParameterValue
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)14
Core processorS08
Case16-TSSOP (0.173\", 4.40mm Width)
Data convertersA/D 8x12b
Program memory size8KB (8K x 8)

Product details

The NXP MC9S08QL8CTG is an 8-bit microcontroller built around the S08 core, running at 20 MHz.

Peripheral set and I/O budget

Fourteen general-purpose I/O pins are available, along with an 8-channel 12-bit ADC, a PWM timer, and a watchdog timer.

For a simple sensor hub or LIN slave node running a state machine and a few hundred bytes of calibration data, this is comfortable. If the application needs a full TCP/IP stack or large lookup tables, you will hit the ceiling. Plan the firmware image to fit within 8 KB, with the RAM budget split between stack, global variables, and ADC buffers.

Frequently asked questions

What is a direct equivalent or replacement for the MC9S08QL8CTG?

Within the NXP S08 family, pin-compatible options with different memory sizes exist, such as the MC9S08QL4CTG (4 KB Flash) or MC9S08QL16CTG (16 KB Flash). For a direct replacement, verify the exact memory and peripheral requirements against the family datasheet.