PCA9548A vs PCA9548APW Comparison
Detailed side-by-side comparison of PCA9548A by Texas Instruments and PCA9548APW by NXP Semiconductors. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
NXP Semiconductors
PCA9548APW - 8-Channel I2C-Bus Switch with Reset | NXP Semiconductors
PCA9548APW ✓ ActiveSpecification Comparison
| Parameter | PCA9548A | PCA9548APW |
|---|---|---|
| Brand | Texas Instruments | NXP Semiconductors |
| Category | Interface ICs | Interface ICs |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $0.79 | $1.55 |
| Function | 8-channel bidirectional I2C translating switch | 8-channel I2C-bus bidirectional translating switch with reset |
| Number of Channels | 8 downstream SCx/SDx pairs | 8 (SCx/SDx downstream pairs) |
| Supply Voltage Range | 2.3 V to 5.5 V | — |
| I2C Bus Speed Support | Standard-Mode 100 kHz, Fast-Mode 400 kHz | — |
| Control Interface | I2C/SMBus, single 8-bit control register | — |
| Hardware Address Pins | 3 (A0, A1, A2) - up to 8 devices per bus | — |
| Reset Input | Yes, active-low RESET | — |
| Voltage Translation | Yes, via pass-gate switch voltage referencing | — |
| Operating Temperature | [DATA_NEEDED: operating temperature range] | -40 C to +85 C |
| Package | 24-TSSOP (PW) | 24-TSSOP (PW, 7.8 mm body) |
| Mounting Type | Surface Mount | Surface Mount |
| Interface Type | 2-wire bus (SCL/SDA) | — |
| Channel Selection | Individual or any combination of channels | — |
| Power-On Reset | Internal, resets registers to default state | — |
| RoHS Status | Compliant | — |
| Quiescent Current | [DATA_NEEDED: quiescent current] | — |
| Address Pins | — | 3 (A0, A1, A2) - up to 8 devices on bus (64 channels) |
| Supply Voltage (VDD) | — | 2.3 V to 5.5 V |
| I/O Voltage Tolerance | — | Up to 5.5 V (independent of VDD level-shifting) |
| RESET Input | — | Active-low; clears channel selection and deselects all switches |
| I2C Clock Frequency | — | 0 kHz to 400 kHz (Standard and Fast-mode) |
| Channel On-Resistance | — | [DATA_NEEDED: typical Ron at 3.3V / 5V] |
| Standby Current | — | [DATA_NEEDED: typical standby ICC] |
| MSL Level | — | 1 (per JEDEC J-STD-020) |
| Lead-Free / RoHS | — | Yes (compliant) |
| Compliance | — | RoHS, REACH (per NXP product page) |