PCF8574DW vs PCA8574D,512 비교
다음의 상세 나란히 비교: PCF8574DW 제조: Texas Instruments 및 PCA8574D,512 제조: NXP Semiconductors. 주요 사양, 전기적 파라미터, 패키징, 수명 주기 상태, 가격 및 재고를 비교하여 설계 요구 사항에 가장 적합한 부품을 결정하십시오.
사양 비교
| 파라미터 | PCF8574DW | PCA8574D,512 |
|---|---|---|
| 브랜드 | Texas Instruments | NXP Semiconductors |
| 카테고리 | Interface ICs | Interface ICs |
| 수명 주기 상태 | 활성 | 수명 종료 |
| 재고 상태 | In Stock | In Stock |
| 단가 (USD) | $1.10 | $0.55 |
| Product Type | 8-bit I2C I/O expander | Remote 8-bit I/O expander for I2C-bus with interrupt |
| Number of I/O Ports | 8 | — |
| I2C Maximum Clock Frequency | 100 kHz | — |
| Operating Supply Range | 2.5 V to 6 V VCC | — |
| Product-Page Supply Range | 2.5 V to 5.5 V | — |
| 인터페이스 | I2C two-line bidirectional bus | I2C-bus (2-wire, SCL and SDA) |
| Port Architecture | Quasi-bidirectional I/O | — |
| Interrupt Output | Open-drain | Yes - open-drain, active-low INT |
| Standby Current | 10 µA maximum | — |
| 패키지 | 16-SOIC | 16-SO (SOIC-16, SOT109-1) |
| 핀 수 | 16 pins | — |
| 실장 유형 | Surface mount | Surface Mount |
| Application Category | I/O expander | — |
| Bus | I2C/SMBus | — |
| Port Names | P0 through P7 | — |
| Manufacturer | Texas Instruments | — |
| Compliance Information | [DATA_NEEDED: RoHS status] | — |
| 동작 온도 | [DATA_NEEDED: operating temperature range] | [DATA_NEEDED: operating temperature range] |
| Number of I/O Lines | — | 8 quasi-bidirectional (8 input / 8 output capable) |
| I2C Bus Speed | — | 400 kHz (Fast-mode) |
| Supply Voltage Range | — | 2.3 V to 5.5 V |
| Hardware Address Pins | — | 3 (A0, A1, A2) - up to 8 devices per fixed address |
| 출력 유형 | — | Quasi-bidirectional, latched, with power-on reset |
| RoHS 상태 | — | Compliant (ordering code suffix ,512) |
| Compatible Predecessor | — | PCF8574 (pin-compatible family member) |
| Typical Applications | — | Keypads, LED driving, relay expansion, remote I/O |
| Max Devices per Bus | — | 8 (PCA8574) + 8 (PCA8574A) = 16 expanders / 128 I/Os |
| 수명 주기 상태 | — | End of Life per NXP product page |