SX1508IULTRT vs TCA6424ARGJR 比較
詳細並排比較 SX1508IULTRT 由 Semtech Corporation 與 TCA6424ARGJR 由 Texas Instruments. 比較關鍵規格、電氣參數、封裝、生命週期狀態、價格與供貨情況，以找出最符合您設計需求的元件。
Semtech Corporation
SX1508IULTRT - 8-bit I2C GPIO Expander with LED Driver | Semtech
SX1508IULTRT ✓ 啟用中Texas Instruments
TCA6424ARGJR - 24-bit I2C/SMBus I/O Expander | Texas Instruments
TCA6424ARGJR ✓ 啟用中規格比較
| 參數 | SX1508IULTRT | TCA6424ARGJR |
|---|---|---|
| 品牌 | Semtech Corporation | Texas Instruments |
| 類別 | Interface ICs | Interface ICs |
| 生命週期狀態 | 啟用中 | 啟用中 |
| 介面類型 | I2C (Standard / Fast / High-Speed) | — |
| Number of I/O | 8 | — |
| I2C Clock Frequency | 400 kHz | up to 400 kHz |
| Supply Voltage (VCC) | 1.2 V to 3.6 V | — |
| I/O Voltage Tolerance | Up to 5.5 V | — |
| Output Drive | 8 mA per pin (sink/source) | — |
| LED PWM Frequency | 2 Hz to 2 kHz | — |
| LED PWM Resolution | 4 to 124 duty steps | — |
| Keypad Engine | Up to 8x8 matrix, auto-scan | — |
| Interrupt Output | Active-low INT with masking | Yes (open-drain INT, active-low) |
| Programmable Pull-ups | Yes (internal, per pin) | — |
| Selectable I2C Addresses | 4 (via ADDR0/ADDR1 pins) | — |
| 工作溫度 | -40 C to +85 C | — |
| 封裝 | 20-QFN-UT (3x3 mm) Exposed Pad | UQFN-32 (RGJ) 5x5 mm with EP |
| Packaging | Tape & Reel (TR) | — |
| 安裝類型 | Surface Mount | Surface Mount |
| RoHS 狀態 | Compliant | Compliant |
| Number of I/O Bits | — | 24 |
| 介面 | — | I2C, SMBus |
| Operating Supply Voltage (VCCI) | — | 1.65 V to 5.5 V |
| P-port Voltage (VCCP) | — | 1.65 V to 5.5 V |
| Number of Ports | — | 3 x 8-bit (P0, P1, P2) |
| Hardware Address Pins | — | A0, A1, A2 (3 pins, up to 8 devices on bus) |
| Reset Pin | — | Yes (RESET, active-low) |
| Configuration Registers | — | Yes (separate input/output/polarity/configuration) |
| 工作溫度範圍 | — | -40C to +85C (industrial) |
| ESD Rating | — | [DATA_NEEDED: HBM/CDM ESD rating] |