TCA6424ARGJR vs SX1508IULTRT Comparação
Comparação detalhada lado a lado de TCA6424ARGJR por Texas Instruments e SX1508IULTRT por Semtech Corporation. Compare especificações principais, parâmetros elétricos, encapsulamento, status do ciclo de vida, preços e disponibilidade para determinar o melhor componente para os requisitos do seu projeto.
Texas Instruments
TCA6424ARGJR - 24-bit I2C/SMBus I/O Expander | Texas Instruments
TCA6424ARGJR ✓ AtivoSemtech Corporation
SX1508IULTRT - 8-bit I2C GPIO Expander with LED Driver | Semtech
SX1508IULTRT ✓ AtivoComparação de especificações
| Parâmetro | TCA6424ARGJR | SX1508IULTRT |
|---|---|---|
| Marca | Texas Instruments | Semtech Corporation |
| Categoria | Interface ICs | Interface ICs |
| Status do ciclo de vida | Ativo | Ativo |
| Status do estoque | In Stock | In Stock |
| Preço unitário (USD) | $1,55 | $0,95 |
| Number of I/O Bits | 24 | — |
| Interface | I2C, SMBus | — |
| I2C Clock Frequency | up to 400 kHz | 400 kHz |
| 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) | — |
| Interrupt Output | Yes (open-drain INT, active-low) | Active-low INT with masking |
| Reset Pin | Yes (RESET, active-low) | — |
| Configuration Registers | Yes (separate input/output/polarity/configuration) | — |
| Encapsulamento | UQFN-32 (RGJ) 5x5 mm with EP | 20-QFN-UT (3x3 mm) Exposed Pad |
| Faixa de temperatura de operação | -40C to +85C (industrial) | — |
| ESD Rating | [DATA_NEEDED: HBM/CDM ESD rating] | — |
| Tipo de montagem | Surface Mount | Surface Mount |
| Status RoHS | Compliant | Compliant |
| Tipo de interface | — | I2C (Standard / Fast / High-Speed) |
| Number of I/O | — | 8 |
| 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 |
| Programmable Pull-ups | — | Yes (internal, per pin) |
| Selectable I2C Addresses | — | 4 (via ADDR0/ADDR1 pins) |
| Temperatura de operação | — | -40 C to +85 C |
| Packaging | — | Tape & Reel (TR) |