PCA9557PW vs PCF8574T Ikinahambing
Detalyadong pagkakahiwalay na pagkakahambing ng PCA9557PW sa pamamagitan ng NXP Semiconductors at PCF8574T 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 ObsoletePagsanggunian na paghahambing
| Parametro | PCA9557PW | PCF8574T |
|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors |
| Kategorya | Interface ICs | Interface ICs |
| Katayuan ng Lifecycle | Aktibo | Obsolete |
| Product Type | 8-bit parallel I/O expander | 8-bit I/O Expander |
| Bus Interface | I2C/SMBus | I2C (Standard 100 kHz, Fast 400 kHz) |
| 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] | — |
| Temperature na Operasyon | [DATA_NEEDED: operating temperature range] | -40C to +85C (industrial) |
| Packhaging | 16-pin TSSOP | SOIC-16 (T suffix) |
| Uri ng Pagpapasok | Surface mount | — |
| Tindminan RoHS | unknown | Compliant |
| REACH Status | unknown | — |
| AEC-Q100 Qualification | unknown | — |
| 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] |
| Level ng MSL | — | 1 (unlimited floor life) |
| Process Technology | — | Silicon CMOS |