PCF8574T vs PCA9557PW तुलना
विस्तृत दोनों ओर की तुलना PCF8574T द्वारा NXP Semiconductors और PCA9557PW द्वारा NXP Semiconductors. मुख्य विशेषताओं, इलेक्ट्रिकल पैरामीटर, पैकेजिंग, चक्र स्थिति, मूल्यांकन और उपलब्धता को तुलना करके अपनी डिजाइन की आवश्यकताओं के लिए सबसे अच्छा घटक निर्धारित करें。
NXP Semiconductors
PCF8574T - 8-bit I2C I/O Expander, SOIC-16 | NXP Semiconductors
PCF8574T Obsolete
विशेषता तुलना
| पैरामीटर | PCF8574T | PCA9557PW |
|---|---|---|
| ब्रांड | NXP Semiconductors | NXP Semiconductors |
| श्रेणी | Interface ICs | Interface ICs |
| लाइफसाइकिल स्थिति | Obsolete | सक्रिय |
| Product Type | 8-bit I/O Expander | 8-bit parallel I/O expander |
| Bus Interface | I2C (Standard 100 kHz, Fast 400 kHz) | I2C/SMBus |
| Supply Voltage (VCC) | 2.5 V to 6 V | — |
| Number of I/O Pins | 8 (quasi-bidirectional, P0-P7) | — |
| I2C Address Bits | 3 (A0, A1, A2) | — |
| Base Address | 0x20 (PCF8574) / 0x38 (PCF8574A) | — |
| Addressable Devices per Bus | 8 (addresses 0x20-0x27) | — |
| Interrupt Output | Yes, open-drain INT pin | — |
| Output Current (drive LOW) | [DATA_NEEDED: sink current per pin mA] | — |
| Standby Current | [DATA_NEEDED: Istandby in uA] | — |
| पैकेज | SOIC-16 (T suffix) | 16-pin TSSOP |
| ऑपरेटिंग तापमान | -40C to +85C (industrial) | [DATA_NEEDED: operating temperature range] |
| MSL स्तर | 1 (unlimited floor life) | — |
| RoHS स्थिति | Compliant | unknown |
| Process Technology | Silicon CMOS | — |
| VCC Operating Voltage | — | 2.3 V to 5.5 V |
| I2C/SMBus Maximum Frequency | — | 400 kHz |
| Input Port | — | 8-bit |
| Output Port | — | 8-bit |
| IO0 Output Type | — | High-impedance open-drain output |
| Parallel I/O Count | — | 8 I/O |
| सप्लाई करंट | — | [DATA_NEEDED: supply current] |
| Input Logic Levels | — | [DATA_NEEDED: input logic levels] |
| Output Logic Levels | — | [DATA_NEEDED: output logic levels] |
| I2C Address | — | [DATA_NEEDED: I2C address] |
| माउंटिंग प्रकार | — | Surface mount |
| REACH Status | — | unknown |
| AEC-Q100 Qualification | — | unknown |