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| Products Information > Microprocessor Peripheral ICs > IO Port Extension > NJU3754 |
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Part Number NJU3754
FUNCTION 11-BIT PARALLEL TO SERIAL CONVERTER
GENERAL DESCRIPTION
The NJU3754 is an 11-bit parallel to serial converter especially applying to MCU input port expander. It can operate from 2.7V to 5.5V. The NJU3754 requires only 3-port of MCU for data transmission and realizes the effective input port assignment. The status of the input ports is output through a latch circuit,a shift register and a 3-state buffer as the serial data synchronizing with the serial clock. The hysteresis input circuit of the serial clock terminal realizes 5MHz and more operation. Furthermore,pull-up resistors on chip of P0 to P10 terminals reduce external components for key-scan circuit,etc. FEATURES
- •11-Bit Parallel In Serial Out
- •3-line Serial Interface Output
- •Hysteresis Input (0.5V typ at 5V)
- •Maximum Operating Frequency (5MHz and more)
- •Operating Voltage (2.7 to 5.5V)
- •C-MOS Technology
- •Package Outline (SSOP16)
NJU3754 DATA SHEET