PCF8574AT/3,518
Specifications
| Interface | I2C |
| Number of I/O | 8 |
| Operating Temperature | -40°C to +85°C |
| Current - Output High(IOH) | 300uA |
| Features | Reset function · Built-in LED driver · Cascade and address expansion |
| Interrupt Output | Interrupt Output |
| Number of Supporting Devices | 16 |
| Quiescent Supply Current | 2.5uA |
| Voltage - Supply | 2.5V to 6V |
Price
| Quantity | Unit price |
|---|---|
| 1 pcs | USD 2.86 |
| 10 pcs | USD 2.44 |
| 30 pcs | USD 2.17 |
| 100 pcs | USD 1.55 |
| 500 pcs | USD 1.43 |
| 1,000 pcs | USD 1.38 |
Indicative price as of 2026-10-30 07:17 Beijing time · 83h old — ask us for a fresh quote before you commit.
Spot prices on passives and power parts can move by double digits within a single day. Treat this as a reference point, not a binding offer — confirm before you pass it to your customer.
| Availability | In stock |
| Stock | 21,200 pcs |
| Lead time | Ships in 3–5 working days once the lot is confirmed |
| Condition | New & original — lot checked before shipment |
| MOQ | 1 pcs |
| MPQ | 1,000 pcs |
| Stock checked | 2026-10-30 07:17 |
| Price updated | 2026-10-30 07:17 |
Questions buyers ask
Is PCF8574AT/3,518 in stock?
In stock — 21,200 pcs. Ships in 3–5 working days once the lot is confirmed. Stock last checked 2026-10-30. Minimum order quantity 1 pc.
Is PCF8574AT/3,518 new and original?
Yes. Every lot is checked before it ships; if a lot is ever refurbished or pulled from a board, the quote says so before you order.
What does PCF8574AT/3,518 cost?
Indicative unit price is USD 2.86; volume breaks are quoted per order.
What are the key specifications of PCF8574AT/3,518?
Voltage - Supply 2.5V to 6V, Quiescent Supply Current 2.5uA, Current - Output High(IOH) 300uA, Operating Temperature -40°C to +85°C.
Is PCF8574AT/3,518 RoHS compliant?
The data feed lists RoHS: Yes — confirm on the datasheet for your batch.
Where is the PCF8574AT/3,518 datasheet?
Alternatives & cross-reference
Possible alternatives on record — these are cross-reference candidates, not verified drop-in replacements. Pinout, voltage and timing must be checked against both datasheets before substitution.
| Possible alternative | Manufacturer | Match | Notes | Confidence |
|---|---|---|---|---|
| PCF8574T/3,518 | NXP | alternate | From a supplier cross-reference list, unverified. | low |
Tell us the quantity and your target price. We confirm stock and alternatives the same day.
Email us — reply within 24 hoursRelated — same category, different package
PCA9505DGG,118TSSOP-56-6.1mm
PCA9535AHF,128HWQFN-24-EP(4x4)PCA9539PW/Q900,118TSSOP-24PCA9554APW,118TSSOP-16PCA9554PW,118TSSOP-16
PCAL6408AHKXSOT-1161PCAL9539APW,118TSSOP-24PCAL9555AHF,128HWQFN-24-EP(4x4)