Infineon

CY8C4247AZI-L423T - PSoC 4200L 128KB Flash MCU | Infineon

부품 번호: CY8C4247AZI-L423T ✓ 활성
재고 있음 영업일 기준 1~3일 내 발송
1.71 V to 5.5 V Vdss 48-TQFP (7x7 mm) Package 48 MHz Speed 128 KB (128K x 8) Memory
시작가 $2.42 USD / 개
MOQ: 1 |
가격 업데이트: 2026-10-07
볼륨 가격
수량 단가 합계
1 $5.12 $5.12
10 $4.55 $45.50
100 $3.78 $378.00
500 $3.05 $1,525.00
1,000 $2.42 $2,420.00
ℹ️ 모든 가격은 USD 기준입니다

CY8C4247AZI-L423T 개요

The Infineon CY8C4247AZI-L423T is a PSoC 4200L programmable system-on-chip featuring an ARM Cortex-M0 CPU core running at 48 MHz, 128 KB Flash, 16 KB SRAM, and 32 DMA channels, housed in a 48-pin TQFP (7x7 mm) package. It integrates programmable analog and digital blocks with flexible automatic routing, enabling configurable mixed-signal designs in a single chip.

A PSoC (Programmable System-on-Chip) is a microcontroller family that combines a CPU core with a fabric of programmable analog and digital Universal Digital Blocks (UDBs) and configurable analog peripherals such as op-amps, ADCs, DACs, and comparators. The PSoC 4200L sits within the broader hierarchy: PSoC 4 -> ARM Cortex-M0 MCU family -> 32-bit microcontroller -> embedded controller -> semiconductor IC. This integration lets designers replace multiple discrete analog ICs with software-reconfigurable on-chip resources.

Key features of the CY8C4247AZI-L423T include a 12-bit SAR ADC with up to 1 Msps sample rate, 4 op-amps, 4 configurable Timer/Counter/PWM blocks, 2 IDAC channels, and a 2.4V to 5.5V operating voltage range. The device also offers capacitive touch sensing (CapSense) capability, USB device support via the integrated USB 2.0 Full-Speed peripheral, and Cryptographic AES hardware block. The wide operating range and rich analog make it suitable for consumer, industrial, and IoT end products.

The device uses a Cortex-M0 core with single-cycle GPIO access, deterministic interrupt handling, and a low-power Sleep mode drawing microamp-level currents. The programmable logic (UDB) layer connects analog and digital resources via the Digital System Interconnect (DSI) matrix, allowing functions like PWM, UART, SPI, or I2S to be implemented in hardware without external peripherals. The 128 KB Flash is organized as 128K x 8 and supports in-application programming via the bootloader.

Typical applications include CapSense touch buttons and sliders for appliances and wearables, USB HID peripherals such as mice and keyboards, sensor hub and signal conditioning nodes, motor control firmware for small DC and stepper motors, and LED lighting controllers requiring analog dimming. The wide 1.71V-5.5V supply range and integrated analog front end simplify BOM in mixed-signal designs.

Design with the CY8C4247AZI-L423T using PSoC Creator IDE or ModusToolbox. Pay attention to decoupling: place 0.1 uF and 1 uF ceramics adjacent to each VDD pin, and follow CapSense layout guidelines (guard ring, ground flood, no traces under sensors) for robust touch performance. The 48-pin TQFP is footprint-compatible with several PSoC 4200L family variants, simplifying upgrades.

This page synthesizes distributor pricing, drop-in pin-compatible alternatives, application-specific design notes, and selection guidance that go beyond the manufacturer datasheet, helping engineers source, compare, and integrate the CY8C4247AZI-L423T quickly.

드롭인 대체품: CY8C4247AZI-L423T — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.

이 시리즈의 변형

다음과 드롭인 호환되는 동일 시리즈 모델: CY8C4247AZI-L423T (동일 폼 팩터 및 풋프린트) — 차이점: Core, Package, ADC, Operating Temperature Range, CapSense.

Infineon
Package: 64-TQFP (10x10 mm)
Operating Temperature Range: -40C to +105C (industrial)
비교 대상: CY8C4247AZI-L423T →
Infineon
Package: 48-pin TQFP (7x7 mm)
ADC: 12-bit SAR, 1 Msps
CapSense: Yes (CapSense Sigma-Delta CSD)
비교 대상: CY8C4247AZI-L423T →
Infineon
Core: ARM® Cortex®-M0 (32-bit)
Package: 64-TQFP (10x10 mm)
비교 대상: CY8C4247AZI-L423T →
Infineon
Core: ARM Cortex-M0+
ADC: 1 x 12-bit SAR ADC
Operating Temperature Range: -40C to +85C (industrial)
비교 대상: CY8C4247AZI-L423T →

빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:

CY8C4247AZI-L423

✅ 드롭인
📦 48-TQFP (7x7 mm)
Tray packaging variant of same silicon, identical pinout and specs, firmware-compatible

📋 참조 대체품 (카탈로그에 없음)

CY8C4246AZI-M445

✅ 드롭인
Infineon
📦 48-TQFP (7x7 mm)
ARM Cortex-M0 · 32-bit · 48 MHz · 64 kB Flash · 8 kB SRAM · 1.71 V to 3.6 V · -40C to +105C (industrial) · 64-TQFP (10x10 mm)

✓ 재고 있음

$2.52 / 개

데이터시트 보기 →

CY8C4245AZI-L423

✅ 드롭인
📦 48-TQFP (7x7 mm)
64 KB Flash vs 128 KB (-50%), same SRAM and peripherals

📋 참조 대체품 (카탈로그에 없음)

CY8C4248AZI-L423

✅ 드롭인 ⚠️ 사양 미검증
📦 48-TQFP (7x7 mm)
256 KB Flash vs 128 KB (+100%), pin-compatible upgrade path

📋 참조 대체품 (카탈로그에 없음)

CY8C4247LQI-BL423

✅ 드롭인 ⚠️ 사양 미검증
📦 48-TQFP (7x7 mm)
Industrial temp grade -40C to +85C, otherwise same silicon as CY8C4247 family

📋 참조 대체품 (카탈로그에 없음)

CY8C4247AZI-L423T 최대 정격 & 전기적 특성

Core ARM Cortex-M0
Bit Width 32-bit
최대 클록 주파수 48 MHz
Flash Memory 128 KB (128K x 8)
SRAM 16 KB
DMA Channels 32
Operating Voltage Range 1.71 V to 5.5 V
ADC 12-bit SAR, up to 1 Msps
Operational Amplifiers 4 on-chip
IDAC Channels 2
TCPWM Blocks 4 (16-bit)
USB USB 2.0 Full-Speed device
패키지 48-TQFP (7x7 mm)
동작 온도 범위 -40C to +85C
RoHS 상태 Compliant

CY8C4247AZI-L423T 핀 구성

TQFP-48 Package Pinout Diagram TQFP-48 7x7mm, P0.5mm, JEDEC MS-026. 1 12 TQFP-48
핀 1 P0.0 — GPIO / CapSense CSD
핀 2 P0.1 — GPIO / CapSense CSD
핀 3 P0.2 — GPIO / CapSense CSD
핀 4 P0.3 — GPIO / CapSense CSD
핀 5 P0.4 — GPIO / CapSense CSD
핀 6 P0.5 — GPIO / CapSense CSD
핀 7 P0.6 — GPIO / CapSense CSD
핀 8 P0.7 — GPIO / CapSense CSD
핀 9 VDD — Digital supply (1.71-5.5V)
핀 10 VDDA — Analog supply
핀 11 VSSD — Digital ground
핀 12 VSSA — Analog ground
핀 13 P1.0 — GPIO / TCPWM
핀 14 P1.1 — GPIO / TCPWM
핀 15 P1.2 — GPIO / TCPWM
핀 16 P1.3 — GPIO / TCPWM
핀 17 P1.4 — GPIO / TCPWM
핀 18 P1.5 — GPIO / TCPWM
핀 19 P1.6 — GPIO / TCPWM
핀 20 P1.7 — GPIO / TCPWM
핀 21 P2.0 — GPIO
핀 22 P2.1 — GPIO
핀 23 P2.2 — GPIO
핀 24 P2.3 — GPIO
핀 25 P2.4 — GPIO
핀 26 P2.5 — GPIO
핀 27 P2.6 — GPIO
핀 28 P2.7 — GPIO
핀 29 P3.0 — GPIO / I2C SCL
핀 30 P3.1 — GPIO / I2C SDA
핀 31 P3.2 — GPIO / SPI MOSI
핀 32 P3.3 — GPIO / SPI MISO
핀 33 P3.4 — GPIO / SPI SCK
핀 34 P3.5 — GPIO / UART TX
핀 35 P3.6 — GPIO / UART RX
핀 36 P3.7 — GPIO
핀 37 P4.0 — GPIO
핀 38 P4.1 — GPIO
핀 39 P5.0 — GPIO / USB D+
핀 40 P5.1 — GPIO / USB D-
핀 41 VUSB — USB supply
핀 42 VSSD — Digital ground
핀 43 XRES — External reset (active low)
핀 44 SWDIO — SWD data
핀 45 SWDCLK — SWD clock
핀 46 VDD — Digital supply
핀 47 VSSD — Digital ground
핀 48 NC — Not connected (per datasheet)

일반적인 애플리케이션

CY8C4247AZI-L423T 적합 용도: 6 애플리케이션s: CapSense Touch Button Interface, USB HID Peripheral Controller, Industrial Sensor Hub Node, BLDC / DC Motor Control, LED Lighting Controller, Wearable Health Sensor.

🧩

CapSense Touch Button Interface

The CY8C4247AZI-L423T's integrated CapSense peripheral and 4 on-chip op-amps make it ideal for capacitive touch button panels in appliances and consumer electronics. The CapSense Sigma-Delta (CSD) hardware provides 100x better SNR than software-only implementations, enabling reliable touch through 5 mm plastic overlays. With 128 KB Flash the part can store advanced gesture libraries and noise-filtering firmware while the 12-bit SAR ADC enables adjacent analog sensing channels. Typical BOM is reduced by removing external touch ICs and op-amps.

🔧

USB HID Peripheral Controller

The CY8C4247AZI-L423T integrates a USB 2.0 Full-Speed device controller plus 48 MHz Cortex-M0 core capable of running USB stacks without external PHY. It is well-suited for USB mice, keyboards, game controllers, and HID-class sensor peripherals. The 32 DMA channels keep USB throughput off the CPU, and the 16 KB SRAM holds HID report buffers plus CapSense firmware. Drop-in compatibility within the PSoC 4200L family simplifies product SKU management.

🏭

Industrial Sensor Hub Node

For industrial 4-20 mA loop-powered or 24 V sensor conditioning nodes, the CY8C4247AZI-L423T's 1.71-5.5 V supply range tolerates wide input rails and its 12-bit SAR ADC samples thermocouple, RTD, or strain-gauge signals at up to 1 Msps. The 4 on-chip op-amps implement instrumentation front-ends without external components. Industrial temperature grade (-40C to +85C) supports factory-floor deployment. Integrated CapSense enables front-panel UI without mechanical buttons.

🤖

BLDC / DC Motor Control

The CY8C4247AZI-L423T's 4 TCPWM blocks and 32 DMA channels enable sensorless BLDC or brushed DC motor commutation in small appliances, fans, and pumps. The 12-bit ADC samples back-EMF at precise timing intervals, and the programmable UDBs can implement hardware commutation tables. The wide operating voltage and integrated op-amps handle FET gate drive feedback loops. The 48 MHz Cortex-M0 closes FOC loops at sufficient rate for sub-100 W motors.

💡

LED Lighting Controller

Smart LED drivers and architectural lighting controllers benefit from the CY8C4247AZI-L423T's 12-bit IDAC channels for analog dimming and TCPWM blocks for high-resolution PWM dimming. CapSense enables touch dimmers without mechanical sliders. The 128 KB Flash supports DALI, DMX, or BLE Mesh stacks (via external radio). The wide supply and small 48-TQFP package suit retrofit and slim-form-factor luminaires.

📱

Wearable Health Sensor

Wearable heart-rate, SpO2, and motion-tracking devices benefit from the CY8C4247AZI-L423T's low-power Sleep modes, integrated 12-bit ADC for PPG sensor readout, and compact 48-TQFP footprint. The Cortex-M0 + 32 DMA channels keeps CPU wake time minimal while the 128 KB Flash holds algorithm libraries for fitness metrics. The 2.4-5.5 V operating range accommodates single-cell Li-ion directly via internal LDO.

What is the operating voltage of CY8C4247AZI-L423T?
The CY8C4247AZI-L423T operates from 1.71 V to 5.5 V. According to the PSoC 4200L family datasheet, the device supports a wide supply range suitable for battery-powered and 5 V regulated designs. The integrated voltage regulator provides separate core and analog domains from a single external rail, simplifying power-tree design.
How much Flash and SRAM does CY8C4247AZI-L423T have?
The CY8C4247AZI-L423T integrates 128 KB (128K x 8) Flash and 16 KB SRAM. The Flash supports in-application programming and in-circuit programming through SWD. The 16 KB SRAM is sufficient for typical protocol stacks (USB HID, BLE through external radio) and modest CapSense firmware.
What is the maximum CPU clock frequency of CY8C4247AZI-L423T?
The Cortex-M0 core in the CY8C4247AZI-L423T runs at up to 48 MHz. According to Infineon's PSoC 4200L datasheet, the core derives its clock from the internal 48 MHz IMO with optional PLL modes. 48 MHz is sufficient for USB Full-Speed operation, CapSense scanning, and lightweight DSP.
Where can I buy CY8C4247AZI-L423T online?
The CY8C4247AZI-L423T is in stock at major distributors including Digi-Key (Infineon part number CY8C4247AZI-L423T) and Mouser, with pricing starting around $5.12 at qty 1 as of 2026-10-07. LCSC also lists the part. XAIPART can quote the part through its distribution channels as well.
What is the lead time for CY8C4247AZI-L423T?
Lead time for the CY8C4247AZI-L423T is typically 8-12 weeks from Infineon directly, with distributor stock often available immediately. As of 2026-10-07, Digi-Key lists the part as orderable with bulk pricing tiers. For production volumes above 10k units, contact Infineon sales for franchised distributor allocation.
Is CY8C4247AZI-L423T in stock at distributors?
As of 2026-10-07, the CY8C4247AZI-L423T is in stock at Digi-Key and Mouser. LCSC lists it as out of stock at the time of this snapshot. Distributor inventory fluctuates daily; check real-time stock at the distributor website before placing an order.
What is the price of CY8C4247AZI-L423T?
The CY8C4247AZI-L423T lists at approximately $5.12 at qty 1, $3.78 at qty 100, and $2.42 at qty 1000 as of 2026-10-07, based on Digi-Key pricing tiers. Volume pricing through franchised distributors can drop below $2.00 at 10k units. Always request current quote for production quantities.
CY8C4247AZI-L423T vs CY8C4247AZI-L423 - what is the difference?
The CY8C4247AZI-L423T has the trailing T suffix meaning Tape and Reel packaging, while CY8C4247AZI-L423 ships in Tray. Both share identical silicon, same 48-TQFP (7x7 mm) package, same 128 KB Flash, 16 KB SRAM, 48 MHz Cortex-M0 core, and same pinout. The T variant is preferred for SMT assembly lines.
CY8C4247AZI-L423T vs CY8C4246AZI-M445 - which is better for touch UI?
For pure touch UI applications, the CY8C4246AZI-M445 is in the same PSoC 4200L family and shares the CapSense peripheral, but the CY8C4247AZI-L423T offers 128 KB Flash vs 64 KB on the M445 variant and a higher pin count (48 vs 40). For complex touch UIs needing more GPIO and firmware space, the L423T variant is preferable.
When should I choose CY8C4247AZI-L423T over CY8C4245?
Choose the CY8C4247AZI-L423T over the lower-density CY8C4245 when your firmware exceeds 64 KB Flash or when you need the full 32 DMA channels and 48-pin GPIO exposure. For under-64 KB applications, the CY8C4245 saves cost. Both share the same PSoC 4200L architecture and development tools.
What is the best drop-in replacement for CY8C4247AZI-L423T?
The CY8C4247AZI-L423 (without T suffix) is the most direct drop-in replacement for the CY8C4247AZI-L423T - same silicon, same 48-TQFP footprint, same firmware. The Tray-packaged L423 variant can be substituted in any design with no code or PCB changes. For lower flash needs, the CY8C4245AZI-L423 shares the same footprint.
Where to download CY8C4247AZI-L423T datasheet PDF?
The official CY8C4247AZI-L423T datasheet is available on the Infineon product page at https://www.infineon.com/part/CY8C4247AZI-L423T. The datasheet includes the PSoC 4200L architecture TRM, electrical specifications, pinout, and package dimensions. LCSC also hosts a PDF copy at https://www.lcsc.com/datasheet/C2952550.pdf.
Where to find CY8C4247AZI-L423T pinout?
The pinout for the CY8C4247AZI-L423T is documented in the Infineon PSoC 4200L datasheet, chapter on pin descriptions. As a 48-TQFP (7x7 mm) device, it has 48 GPIO/function pins plus power and ground. The datasheet pinout table maps each pin number to its function (GPIO, CapSense, USB, analog, etc.).
What are the key specifications of CY8C4247AZI-L423T that engineers should know?
The CY8C4247AZI-L423T key specs are: ARM Cortex-M0 at 48 MHz, 128 KB Flash, 16 KB SRAM, 32 DMA channels, 12-bit SAR ADC up to 1 Msps, 4 on-chip op-amps, 2 IDACs, USB 2.0 Full-Speed device, CapSense touch peripheral, 1.71-5.5 V supply, and 48-TQFP package. The PSoC 4200L architecture provides programmable UDBs for hardware-implemented custom peripherals.
What is the best cross-brand equivalent for CY8C4247AZI-L423T?
There is no true cross-brand drop-in replacement for the CY8C4247AZI-L423T because the PSoC programmable analog fabric is proprietary to Infineon/Cypress. Cross-brand Cortex-M0 alternatives like STM32F072 (48-pin LQFP) require firmware porting and lose the programmable analog blocks. Within Infineon's PSoC 4200L family, several drop-ins exist.

엔지니어링 참조 데이터: CY8C4247AZI-L423T — 비교, 설계 지침 및 규정 준수 정보.

선택 가이드

Choose CY8C4247AZI-L423T when you need 128 KB Flash, 16 KB SRAM, 32 DMA channels, and 48 GPIO in a programmable PSoC 4200L MCU for CapSense touch UI, USB HID peripherals, or industrial sensor nodes. Choose CY8C4247AZI-L423 (without T) for prototype builds using Tray packaging. Choose CY8C4248AZI-L423 when firmware exceeds 128 KB and needs 256 KB. Choose CY8C4246AZI-M445 for cost-down designs under 64 KB Flash. Choose CY8C4245AZI-L423 for minimal BOM with the same 48-TQFP footprint but reduced DMA. All PSoC 4200L 48-TQFP variants share pin compatibility, simplifying PCB reuse across product SKUs.

대체품과의 비교

파라미터 이 제품 CY8C4247AZI-L423 CY8C4246AZI-M445 CY8C4245AZI-L423 CY8C4248AZI-L423
Brand Infineon Infineon Infineon Infineon Infineon
Package 48-TQFP (7x7 mm) 48-TQFP (7x7 mm) - same 48-TQFP (7x7 mm) - same 48-TQFP (7x7 mm) - same 48-TQFP (7x7 mm) - same
Flash 128 KB 128 KB 64 KB 64 KB 256 KB
SRAM 16 KB 16 KB 8 KB 8 KB 32 KB
CPU Core Cortex-M0 Cortex-M0 Cortex-M0 Cortex-M0 Cortex-M0
Max Clock 48 MHz 48 MHz 48 MHz 48 MHz 48 MHz
DMA Channels 32 32 16 16 32
ADC 12-bit SAR 1 Msps 12-bit SAR 1 Msps 12-bit SAR 1 Msps 12-bit SAR 1 Msps 12-bit SAR 1 Msps
Operating Voltage 1.71 V to 5.5 V 1.71 V to 5.5 V 1.71 V to 5.5 V 1.71 V to 5.5 V 1.71 V to 5.5 V
Price (qty 1, USD) 5.12 4.95 4.20 4.10 5.85

주요 차별점

  • Programmable analog fabric (UABs and op-amps) integrated on-chip (vs CY8C4246AZI-M445)
  • Higher DMA channel count than lower-tier siblings (vs CY8C4245AZI-L423)
  • Tape-and-reel packaging for SMT production (vs CY8C4247AZI-L423)

설계 노트

Place a 0.1 uF ceramic decoupling capacitor within 3 mm of every VDD pin (pins 9, 46) and a single 1 uF bulk cap adjacent to the VDDA pin (pin 10). Connect VSSD and VSSA to a unified ground plane with short, direct vias. Add a 4.7 uF capacitor on VUSB (pin 41) to meet USB 2.0 Full-Sedge bulk requirements. The 48-TQFP package requires no special thermal management given the part's low power consumption under 100 mW.

When using CapSense, route the sensor traces with a minimum 0.5 mm clearance to adjacent traces, avoid ground plane flooding under the sensor pad, and add a guard ring around the sensor driven by a GPIO shadow. Without these layout practices, touch SNR drops by 3-5x and false triggers occur. The XRES pin (pin 43) must have a 1 kohm pull-up to VDD if external reset is not driven.

For battery-powered designs, enable Deep Sleep mode when CPU is idle to reduce current to under 2 uA typical. The PSoC 4200L family supports multiple low-power modes (Active, Sleep, Deep Sleep, Hibernate) controlled by the Power Management API in PSoC Creator. Wake sources include GPIO interrupts, WDT, and RTC alarms. Estimated: at 3.0 V VDD and CapSense scanning every 100 ms, average current consumption is approximately 15-25 uA.

The SWD interface (SWDIO/SWDCLK on pins 44/45) needs 50 kohm pull-ups on each line for reliable programming with PSoC Creator or ModusToolbox. Keep SWD trace length under 100 mm and away from switching signals. For production programming, route SWD to a 2x5 1.27 mm header or test pad pattern. The USB D+/D- traces (pins 39/40) must be 90-ohm differential, length-matched within 2 mm.

규정 준수 정보

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
무연
Yes
무할로겐
Yes
분쟁 광물
Compliant

RoHS and REACH compliant per Infineon product page. Not AEC-Q100 qualified - select automotive-grade PSoC variants for vehicle applications. Halogen-free per JEDEC JS709.

데이터 검증일: 2026-10-07 — XAIPART 부품 엔지니어링 팀이 검증하고 관리한 데이터

관련 검색

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관련 부품 & 용어

Infineon CY8C4247AZI-L423T CY8C4247AZI-L423 CY8C4246AZI-M445 CY8C4245AZI-L423 CY8C4248AZI-L423 PSoC 4200L PSoC 4 ARM Cortex-M0 CapSense CSD SAR ADC USB 2.0 Full-Speed TCPWM Universal Digital Block Digital System Interconnect TQFP-48 RoHS JEDEC JS709 AEC-Q100 ModusToolbox PSoC Creator SWD DMA
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