P82B715D vs PCF8574PW Comparison
Detailed side-by-side comparison of P82B715D by Texas Instruments and PCF8574PW 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
PCF8574PW - 8-bit I2C I/O Expander 20-TSSOP | Texas Instruments (Tape & Reel)
PCF8574PW ✓ ActiveSpecification Comparison
| Parameter | P82B715D | PCF8574PW |
|---|---|---|
| Brand | Texas Instruments | Texas Instruments |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.00 | $0.77 |
| Product Type | 2-bit bidirectional I2C/SMBus buffer and cable extender | — |
| Operating Supply Voltage Range | 3 V to 12 V | — |
| Nominal Maximum Bus Frequency | 400 kHz | — |
| Bidirectional Data Transfer | Supported | — |
| Number of Buffered Bits | 2 | — |
| Extended Bus Capacitance | 3 nF | — |
| Conventional I2C Bus Capacitance | 400 pF | — |
| Supply Current | 22 mA | — |
| Input Capacitance | 3000 pF | — |
| Delay Time | 250 ns | — |
| Package | 8-pin SOIC (D) | 20-pin TSSOP (PW) |
| Operating Temperature Range | -40 C to +85 C | — |
| Mounting Type | Surface mount | Surface Mount |
| Bus Type | I2C/SMBus | — |
| Architecture | Unidirectional analog current amplification | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | Compliant |
| REACH Status | [DATA_NEEDED: REACH 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) |