PCF8574T vs PCF8574TD Ikinahambing
Detalyadong pagkakahiwalay na pagkakahambing ng PCF8574T sa pamamagitan ng NXP Semiconductors at PCF8574TD 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 ObsoleteNXP Semiconductors
PCF8574TD - 8-bit I2C I/O Expander, SO-16 | NXP Semiconductors
PCF8574TD ✓ NakahandaPagsanggunian na paghahambing
| Parametro | PCF8574T | PCF8574TD |
|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors |
| Kategorya | Interface ICs | Interface ICs |
| Katayuan ng Lifecycle | Obsolete | Aktibo |
| Product Type | 8-bit I/O Expander | — |
| Bus Interface | I2C (Standard 100 kHz, Fast 400 kHz) | — |
| Supply Voltage (VCC) | 2.5 V to 6 V | 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] | 10 uA maximum |
| Packhaging | SOIC-16 (T suffix) | SO-16 (Small Outline, 16-pin) |
| Temperature na Operasyon | -40C to +85C (industrial) | -40C to +85C (industrial) |
| Level ng MSL | 1 (unlimited floor life) | [DATA_NEEDED: MSL rating] |
| Tindminan RoHS | Compliant | Compliant |
| Process Technology | Silicon CMOS | Silicon CMOS |
| 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) |
| 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) |
| Uri ng Pagpapasok | — | Surface Mount |
| ESD Rating | — | [DATA_NEEDED: ESD HBM rating] |