TCA5405 Texas instruments

TCA5405

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TCA5405

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Описание

The TCA5405 is a 5-bit output expander controlled using a single wire input. This device is ideal for portable applications as it has a wide VCC range of 1.65V to 3.6 V. The TCA5405 uses a self-timed serial data protocol with a single data input driven by a master device synchronized to an internal clock of that device. During a Setup phase, the bit period is sampled, then the TCA5405 generates its own internal clock synchronized to that of the Master device to sample the input over a five-bit-period Data Transfer phase and writes the bit states on the parallel outputs after the last bit is sampled. The TCA5405 is available in an 8-pin 1.5mm × 1.5mm RUG uQFN package.

Operating Power-Supply Voltage Range of 1.65 V to 3.6 V
Five Independent Push-Pull Outputs
Single Input (DIN) Controls State of All Outputs
High-Current Drive Outputs Maximum Capability for Directly Driving LEDs
Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 1000-V Charged-Device Model (C101)
APPLICATIONS
- Cell Phones
- PDAs
- Portable Media Players
- MP3 Players
- Portable Instrumentation

Number of I/Os	5
Features	1-MHz maximum frequency, Single-wire protocol
Supply voltage (min) (V)	1.65
Supply voltage (max) (V)	3.6
Addresses	1
Rating	Catalog
Frequency (max) (MHz)	1
Operating temperature range (°C)	-40 to 85