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Here's a concise introduction to the PCF8574DW: The PCF8574DW is an 8-bit I/O expander from Texas Instruments, designed for use in various applications that require digital input/output pins. It features an I2C interface, open-drain interrupt output, and software reset functionality. The device has three address pins, allowing up to eight devices to share the same bus. Operating within a voltage range of 2.5V to 6V and a temperature range of -40°C to 85°C, it is suitable for use in a wide variety of applications. Common uses for the PCF8574DW include LED driver circuits, relay control, keypad interfacing, and I2C communication. Its versatility makes it an attractive option for designers seeking a reliable and efficient solution for digital input/output operations.
According to the product information, the features of the PCF8574DW include:
The package type of PCF8574DW is SOIC (DW)-16.
The manufacturer of the PCF8574DW is Texas Instruments (TI).
According to the product information, the application areas of PCF8574DW include:
It is also suitable for various applications requiring interfacing with external devices through digital input/output pins.
According to Texas Instruments' documentation, the equivalent products of PCF8574DW are:
Please note that these equivalents may not provide an exact match in terms of features and specifications, but rather offer similar functionality.
Number of I/Os | 8 | Features | Interrupt pin |
Supply voltage (min) (V) | 2.5 | Supply voltage (max) (V) | 6 |
Addresses | 8 | Rating | Catalog |
Frequency (max) (MHz) | 0.1 | Operating temperature range (°C) | -40 to 85 |
feature-number-of-i-os | 8 | feature-number-of-addresses | 8 |
feature-manual-reset | No | feature-interface-type | I2C |
feature-interface-speed-khz | 100 | feature-i2c-bus-interface-mode | Standard Mode |
feature-interrupt-output | Yes | feature-output-type | Open Drain |
feature-minimum-operating-supply-voltage-v | 2.5 | feature-maximum-operating-supply-voltage-v | 6 |
feature-maximum-sink-current-per-bit-ma | 25 | feature-maximum-source-current-per-bit-ma | -1 |
feature-maximum-quiescent-current-ua | 10 | feature-packaging | Tube |
feature-rad-hard | feature-pin-count | 16 | |
feature-cecc-qualified | No | feature-esd-protection | Yes |
feature-military | No | feature-aec-qualified | No |
feature-aec-qualified-number | feature-auto-motive | No | |
feature-p-pap | No | feature-eccn-code | EAR99 |
feature-svhc | Yes | feature-svhc-exceeds-threshold | No |
Package/Case | SOP16 |
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Qty. | Unit Price | Ext. Price |
---|---|---|
1+ | $2.336 | $2.34 |
200+ | $0.904 | $180.80 |
500+ | $0.872 | $436.00 |
1000+ | $0.857 | $857.00 |
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