PCF8574AN vs PCF8574PWR Comparison
Detailed side-by-side comparison of PCF8574AN by Texas Instruments and PCF8574PWR by Texas Instruments. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Texas Instruments
PCF8574PWR - 8-bit I2C I/O Expander 20-TSSOP | Texas Instruments
PCF8574PWR ✓ ActiveSpecification Comparison
| Parameter | PCF8574AN | PCF8574PWR |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Device Type | [DATA_NEEDED: device type] | — |
| I/O Direction | [DATA_NEEDED: I/O direction] | — |
| Number of I/O Lines | [DATA_NEEDED: number of I/O lines] | — |
| Interface Type | [DATA_NEEDED: interface type] | — |
| Operating Supply Voltage Range | [DATA_NEEDED: operating supply voltage range] | — |
| Input Logic Voltage Levels | [DATA_NEEDED: input logic voltage levels] | — |
| Output Logic Voltage Levels | [DATA_NEEDED: output logic voltage levels] | — |
| Output Drive Current | [DATA_NEEDED: output drive current] | — |
| Output Sink Current | [DATA_NEEDED: output sink current] | — |
| Maximum Serial Clock Frequency | [DATA_NEEDED: maximum serial clock frequency] | — |
| Address Range | [DATA_NEEDED: address range] | — |
| Quiescent Current | [DATA_NEEDED: quiescent current] | — |
| Operating Temperature Range | [DATA_NEEDED: operating temperature range] | — |
| Package | [DATA_NEEDED: package designation] | 20-pin TSSOP (PW) |
| Pin Count | [DATA_NEEDED: pin count] | — |
| Mounting Type | [DATA_NEEDED: mounting type] | Surface Mount |
| RoHS Status | [DATA_NEEDED: RoHS status] | Compliant |
| REACH Status | [DATA_NEEDED: REACH status] | — |
| Lead-Free Status | [DATA_NEEDED: lead-free status] | — |
| Function | — | I/O Expander |
| Number of I/O | — | 8 |
| Interface | — | I2C (SMBus compatible) |
| 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) |
| 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) |
| Operating Temperature | — | -40 C to +85 C |
| MSL Level | — | 1 (unlimited floor life) |