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Product attributes Property Value
Manufacturer Cypress Semiconductor Corp
Product Series PSOC® 4 CY8C4000
Packaging Tube |
Core Processor ARM® Cortex®-M0
Core Size 32-Bit Single-Core
Speed 16MHz
Connectivity I2C
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O 5
Program Memory Size 16KB (16K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 2K x 8
Voltage - Supply (Vcc/Vdd) 1.71V ~ 5.5V
Data Converters D/A 1x7b, 1x8b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 8-SOIC
Package / Case 8-SOIC (0.154", 3.90mm Width)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The CY8C4014SXI-420 is a 16MHz ARM Cortex-M0 microcontroller from Cypress, offering 16KB flash and 2KB SRAM in a compact 8-SOIC package. It operates from 1.71V to 5.5V, with integrated brown-out detection, POR, PWM, and WDT. This MCU balances memory capacity and small size for cost-sensitive embedded applications.

  • Double flash capacity: 16KB enables more complex firmware than smaller variants.
  • Compact 8-pin SOIC: Ideal for space-limited PCBs without sacrificing performance.
  • Wide supply range: 1.71V to 5.5V supports both 3.3V and 5V systems.
  • Industrial temperature grade: Reliable from -40°C to 85°C.

Smart Home Controllers

16KB flash allows storing multiple automation routines, while the 8-SOIC package fits in wall modules.

Battery-Powered IoT Endpoints

Low 1.71V operation and 16MHz core enable efficient MQTT data transmission in wireless sensors.

Motor Speed Regulators

Integrated PWM and WDT provide precise speed control and fault recovery for small fans.

Portable Instrumentation

The wide voltage range and 2KB RAM support data logging in handheld meters.

LED Matrix Drivers

With 16KB flash, it can store complex animation patterns for decorative lighting.

Automotive Aftermarket Accessories

Its temperature range and robust reset features suit car alarm or lighting add-ons.

Q: What is the maximum clock speed of the CY8C4014SXI-420?
A: It runs at 16MHz using an ARM Cortex-M0 core.
Q: What is the flash memory size?
A: It has 16KB of program flash, double the base model.
Q: What is the operating temperature range?
A: It is rated for -40°C to 85°C, suitable for industrial environments.
Q: What package is this MCU available in?
A: It comes in an 8-pin SOIC package with 3.90mm width.
Q: Does it support PWM and watchdog?
A: Yes, it includes PWM, WDT, POR, and brown-out detection.
Base Product Number : CY8C4014SXI-420
16KB Flash 16MHz 2KB RAM 32-bit ARM Cortex-M0 Industrial IoT Low Power MCU PWM SOIC-8 WDT
Q: What is the maximum clock speed of the CY8C4014SXI-420?
A: It runs at 16MHz using an ARM Cortex-M0 core.
Q: What is the flash memory size?
A: It has 16KB of program flash, double the base model.
Q: What is the operating temperature range?
A: It is rated for -40°C to 85°C, suitable for industrial environments.
Q: What package is this MCU available in?
A: It comes in an 8-pin SOIC package with 3.90mm width.
Q: Does it support PWM and watchdog?
A: Yes, it includes PWM, WDT, POR, and brown-out detection.