Specification	CY8C4045FNI-DS400T

Connectivity	SSP, SPI, LINbus, UART, USART, I2C, IrDA, Microwire, SmartCard
Core Configuration	Single-Core
Core Processor	ARM® Cortex®-M0
Core Size (Bit Width)	32 Bit
Mounting Type	Surface Mount
Number of I/O	21
Operating Temperature (Max)	85 °C
Operating Temperature (Min)	-40 °C
Oscillator Type	Internal
Package / Case	WLCSP, 20-UFBGA
Package Length	1.63 mm
Package Name	20-WLCSP
Package Width	2.03 mm
Peripherals	Brown-out Detect, CapSense, LCD, LVD, POR, Reset, WDT, PWM
Program Memory Depth	32 K
Program Memory Size	32 KB
Program Memory Type	FLASH
Program Memory Width	8 bit
RAM Size Depth	4 K
RAM Size Width	8 bit
Speed	45 MHz
Voltage - Supply (Vcc/Vdd) Maximum	5.5 V
Voltage - Supply (Vcc/Vdd) Minimum	1.7 V

CY8C4045 Series

Part	Program Memory Size	Program Memory Width	Program Memory Depth	Voltage - Supply (Vcc/Vdd) Maximum	Voltage - Supply (Vcc/Vdd) Minimum	RAM Size Depth	RAM Size Width	Number of I/O	Mounting Type	Converter Architecture	D/A Resolution (bits)	A/D Resolution (bits)	D/A Channels	A/D Channels	Speed	Peripherals	Operating Temperature (Max)	Operating Temperature (Min)	Package / Case	Core Size (Bit Width)	Connectivity	Program Memory Type	Core Processor	Oscillator Type	Package Width	Package Name	Package Length	Core Configuration	Qualification	Grade
INFINEON CY8C4045AXI-S412	32 KB	8 bit	32 K	5.5 V	1.71 V	4 K	8 bit	27	Surface Mount	SAR	7 bit	10 bit	2 count	1 count	48 MHz	Brown-out Detect CapSense LCD LVD POR PWM Reset WDT	85 °C	-40 °C	32-LQFP	32 Bit	I2C IrDA LINbus Microwire SmartCard SPI SSP UART USART	FLASH	ARM® Cortex®-M0+	Internal	7 mm	32-TQFP	7 mm	Single-Core
INFINEON CY8C4045FNI-DS400T	32 KB	8 bit	32 K	5.5 V	1.7 V	4 K	8 bit	21	Surface Mount						45 MHz	Brown-out Detect CapSense LCD LVD POR PWM Reset WDT	85 °C	-40 °C	20-UFBGA WLCSP	32 Bit	I2C IrDA LINbus Microwire SmartCard SPI SSP UART USART	FLASH	ARM® Cortex®-M0	Internal	2.03 mm	20-WLCSP	1.63 mm	Single-Core
INFINEON CY8C4045LQA-S411T	32 KB	8 bit	32 K	5.5 V	1.71 V	4 K	8 bit	19	Surface Mount Wettable Flank		7 bit 8 bit	10 bit	1 count	16 count	48 MHz	Brown-out Detect CapSense LCD POR PWM Reset WDT	85 °C	-40 °C	24-UFQFN Exposed Pad	32 Bit	I2C IrDA LINbus Microwire SmartCard SPI SSP UART USART	FLASH	ARM® Cortex®-M0+	Internal	4 mm	24-QFN	4 mm
INFINEON CY8C4045LQI-S413	32 KB	8 bit	32 K	5.5 V	1.71 V	4 K	8 bit	34	Surface Mount		7 bit	10 bit	2 count	16 count	48 MHz	Brown-out Detect CapSense LCD LVD POR PWM Reset WDT	85 °C	-40 °C	40-UFQFN Exposed Pad	32 Bit	I2C IrDA LINbus Microwire SmartCard SPI SSP UART USART	FLASH	ARM® Cortex®-M0+	Internal	6 mm	40-QFN	6 mm	Single-Core
INFINEON CY8C4045LQI-S411T	32 KB	8 bit	32 K	5.5 V	1.71 V	4 K	8 bit	19	Surface Mount			10 bit		1 count	48 MHz	Brown-out Detect CapSense LCD LVD POR PWM Reset WDT	85 °C	-40 °C	24-UFQFN Exposed Pad	32 Bit	I2C IrDA LINbus Microwire SmartCard SPI SSP UART USART	FLASH	ARM® Cortex®-M0+	Internal	4 mm	24-QFN	4 mm	Single-Core
INFINEON CY8C4045PVS-S412	32 KB	8 bit	32 K	5.5 V	1.71 V	4 K	8 bit	24	Surface Mount	SAR	7 bit	10 bit	2 count	1 count	48 MHz	Brown-out Detect CapSense LCD LVD POR PWM Reset WDT	105 °C	-40 °C		32 Bit	I2C IrDA LINbus Microwire SmartCard SPI SSP UART USART	FLASH	ARM® Cortex®-M0+	Internal	5.3 mm	28-SSOP	0.209 in	Single-Core	AEC-Q100	Automotive
INFINEON CY8C4045LQS-S411	32 KB	8 bit	32 K	5.5 V	1.71 V	4 K	8 bit	19	Surface Mount Wettable Flank	SAR	7 bit	10 bit	2 count	1 count	48 MHz	Brown-out Detect CapSense LCD LVD POR PWM Reset WDT	105 °C	-40 °C	24-UFQFN Exposed Pad	32 Bit	I2C IrDA LINbus Microwire SmartCard SPI SSP UART USART	FLASH	ARM® Cortex®-M0+	Internal	4 mm	24-QFN	4 mm	Single-Core	AEC-Q100	Automotive

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CY8C4045FNI-DS400T | Datasheet