PCF8574T vs PCA9557PW Ikinahambing
Detalyadong pagkakahiwalay na pagkakahambing ng PCF8574T sa pamamagitan ng NXP Semiconductors at PCA9557PW sa pamamagitan ng NXP Semiconductors. Ikinahambing ang mga pangunahing paglalarawan, mga tama ng elektriko, paakay, kalagayan ng buhay, presyo, at pagkakaroon upang makita ang pinakamahusay na komponente para sa iyong mga kinakailangang pang disenyo.
NXP Semiconductors
PCF8574T - 8-bit I2C I/O Expander, SOIC-16 | NXP Semiconductors
PCF8574T Obsolete
Pagsanggunian na paghahambing
| Parametro | PCF8574T | PCA9557PW |
|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors |
| Kategorya | Interface ICs | Interface ICs |
| Katayuan ng Lifecycle | Obsolete | Aktibo |
| 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] | — |
| Packhaging | SOIC-16 (T suffix) | 16-pin TSSOP |
| Temperature na Operasyon | -40C to +85C (industrial) | [DATA_NEEDED: operating temperature range] |
| Level ng MSL | 1 (unlimited floor life) | — |
| Tindminan RoHS | 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 |
| Kuru-kuryente ng Pagbibigay | — | [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] |
| Uri ng Pagpapasok | — | Surface mount |
| REACH Status | — | unknown |
| AEC-Q100 Qualification | — | unknown |