PCA9554PW vs PCF8574T Comparação

Comparação detalhada lado a lado de PCA9554PW por NXP Semiconductors e PCF8574T por NXP Semiconductors. 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.

NXP Semiconductors
PCA9554PW PCA9554PW - 8-Bit I/O Expander with Interrupt | NXP

PCA9554PW - 8-Bit I/O Expander with Interrupt | NXP

PCA9554PW ✓ Ativo

Comparação de especificações

Parâmetro PCA9554PW PCF8574T
Marca NXP Semiconductors NXP Semiconductors
Categoria Interface ICs Interface ICs
Status do ciclo de vida Ativo Obsolete
Status do estoque In Stock In Stock
Preço unitário (USD) $0,00 $0,61
Product Type 8-bit I2C/SMBus I/O expander with interrupt 8-bit I/O Expander
Number of GPIO 8 bits —
Supply Voltage Range 2.3 V to 5.5 V —
I2C/SMBus Maximum Frequency 400 kHz —
I2C/SMBus Supported Frequency 100 kHz and 400 kHz —
Interface I2C-bus/SMBus —
Interrupt Support Yes —
Port Register Features Input/output and polarity configuration registers —
Pull-Up Capability Weak pull-up —
Address Difference PCA9554A has a different address —
Encapsulamento 16-pin TSSOP SOIC-16 (T suffix)
Tipo de montagem Surface mount —
Temperatura de operação [DATA_NEEDED: Operating temperature range] -40C to +85C (industrial)
Maximum Output Current per Pin [DATA_NEEDED: Maximum output current per pin] —
Input Voltage Levels [DATA_NEEDED: Input voltage thresholds] —
Output Drive Capability [DATA_NEEDED: Output drive current and output voltage characteristics] —
Standby Current [DATA_NEEDED: Standby current] [DATA_NEEDED: Istandby in uA]
Operating Current [DATA_NEEDED: Typical and maximum operating current] —
Status RoHS [DATA_NEEDED: RoHS status] Compliant
REACH Status [DATA_NEEDED: REACH status] —
Bus Interface — I2C (Standard 100 kHz, Fast 400 kHz)
Supply Voltage (VCC) — 2.5 V to 6 V
Number of I/O Pins — 8 (quasi-bidirectional, P0-P7)
I2C Address Bits — 3 (A0, A1, A2)
Base Address — 0x20 (PCF8574) / 0x38 (PCF8574A)
Addressable Devices per Bus — 8 (addresses 0x20-0x27)
Interrupt Output — Yes, open-drain INT pin
Output Current (drive LOW) — [DATA_NEEDED: sink current per pin mA]
Nível MSL — 1 (unlimited floor life)
Process Technology — Silicon CMOS

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