PCF8574TD vs PCF8574T Ikinahambing
Detalyadong pagkakahiwalay na pagkakahambing ng PCF8574TD 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
PCF8574TD - 8-bit I2C I/O Expander, SO-16 | NXP Semiconductors
PCF8574TD ✓ NakahandaNXP Semiconductors
PCF8574T - 8-bit I2C I/O Expander, SOIC-16 | NXP Semiconductors
PCF8574T ObsoletePagsanggunian na paghahambing
| Parametro | PCF8574TD | PCF8574T |
|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors |
| Kategorya | Interface ICs | Interface ICs |
| Katayuan ng Lifecycle | Aktibo | Obsolete |
| Fungsi | Remote 8-bit I/O expander for I2C-bus | — |
| Number of I/O | 8 (quasi-bidirectional) | — |
| Interface | I2C-bus (2-wire, up to 400 kHz) | — |
| Supply Voltage (VCC) | 2.5 V to 6 V | 2.5 V to 6 V |
| Standby Current | 10 uA maximum | [DATA_NEEDED: Istandby in uA] |
| I2C Address Range (PCF8574) | 0x20 to 0x27 (3 HW address bits) | — |
| Interrupt Output (INT) | Yes, open-drain, active-low | — |
| Maximum Bus Frequency | 400 kHz | — |
| Output Drive Capability | 25 mA sink per pin (quasi-bidirectional) | — |
| Temperature na Operasyon | -40C to +85C (industrial) | -40C to +85C (industrial) |
| Packhaging | SO-16 (Small Outline, 16-pin) | SOIC-16 (T suffix) |
| Uri ng Pagpapasok | Surface Mount | — |
| Process Technology | Silicon CMOS | Silicon CMOS |
| Tindminan RoHS | Compliant | Compliant |
| Level ng MSL | [DATA_NEEDED: MSL rating] | 1 (unlimited floor life) |
| ESD Rating | [DATA_NEEDED: ESD HBM rating] | — |
| Product Type | — | 8-bit I/O Expander |
| Bus Interface | — | I2C (Standard 100 kHz, Fast 400 kHz) |
| 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] |