PCF8574PW vs PCA9534PW Ikinahambing
Detalyadong pagkakahiwalay na pagkakahambing ng PCF8574PW sa pamamagitan ng Texas Instruments at PCA9534PW 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.
Texas Instruments
PCF8574PW - 8-bit I2C I/O Expander 20-TSSOP | Texas Instruments (Tape & Reel)
PCF8574PW ✓ Nakahanda
Pagsanggunian na paghahambing
| Parametro | PCF8574PW | PCA9534PW |
|---|---|---|
| Brand | Texas Instruments | NXP Semiconductors |
| Kategorya | Interface ICs | Interface ICs |
| Katayuan ng Lifecycle | Aktibo | Aktibo |
| Fungsi | I/O Expander | — |
| Number of I/O | 8 | — |
| Interface | I2C (SMBus compatible) | I2C-bus and SMBus |
| Clock Frequency (Max) | 100 kHz | — |
| I2C Address Base | 0x20 (PCF8574A: 0x38) | — |
| Supply Voltage (VCC) | 2.5 V to 6 V | — |
| Supply Current (Standby) | 2.5 uA typical | — |
| Interrupt Output | Yes (active-low INT) | Yes |
| Hardware Address Pins | 3 (A0, A1, A2) | — |
| Max Devices on Bus | 8 (16 combined with PCF8574A) | — |
| Output Drive (Source/Sink) | 25 mA / 25 mA per I/O | — |
| I/O Type | Quasi-bidirectional (no direction register) | — |
| Packhaging | 20-pin TSSOP (PW) | 16-pin TSSOP |
| Temperature na Operasyon | -40 C to +85 C | [DATA_NEEDED: operating temperature range] |
| Uri ng Pagpapasok | Surface Mount | Surface Mount |
| Tindminan RoHS | Compliant | [DATA_NEEDED: RoHS status] |
| Level ng MSL | 1 (unlimited floor life) | — |
| Device Type | — | 8-bit CMOS I2C-bus and SMBus low-power I/O port expander |
| Number of GPIO Pins | — | 8 |
| Supply Voltage Range | — | 2.3 V to 5.5 V |
| I2C Bus Frequency | — | 400 kHz |
| Configuration Registers | — | Yes |
| Address Configuration Pins | — | A0, A1, and A2 |
| Maximum Devices Sharing Bus | — | 8 devices per manufacturer data |
| Internal I/O Pull-up Resistors | — | Removed |
| Bilang ng Pin | — | 16 pins |
| PCF8574 Compatibility | — | Pin-to-pin and I2C address compatible; software changes required |
| Manufacturer | — | NXP Semiconductors |
| Katayuan ng Lifecycle | — | Active |
| REACH Status | — | [DATA_NEEDED: REACH status] |