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NJU3714A

JRC
Part Number NJU3714A
Manufacturer JRC
Description 12-BIT SERIAL TO PARALLEL CONVERTER
Published Jun 13, 2009
Detailed Description NJU3714A www.DataSheet4U.com 12-BIT SERIAL TO PARALLEL CONVERTER GENERAL DESCRIPTION The NJU3714A is a 12-bit serial to...
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NJU3714A
NJU3714A


Overview
NJU3714A www.
DataSheet4U.
com 12-BIT SERIAL TO PARALLEL CONVERTER GENERAL DESCRIPTION The NJU3714A is a 12-bit serial to parallel converter especially applying to MPU outport expander.
It can operate from 2.
4V to 5.
5V.
The effective outport assignment of MPU is available as the connection between NJU3714A and MPU using only 4 lines.
The serial data synchronizing with 5MHz or more clock can be input to the serial data input terminal and the data are output from parallel output buffer through serial in parallel out shift register and parallel data latches.
Furthermore, the NJU3714A outputs the serial data from SO terminal through the shift register.
Therefore, it connects with other SIPO ICs like as NJU3711A in cascade for expanding the parallel conversion outputs.
The hysteresis input circuit realizes wide noise margin and the high drive-ability output buffer (25mA) can drive LED directly.
PACKAGE OUTLINE NJU3714AV FEATURES 12-Bit Serial In Parallel Out Cascade Connection Hysteresis Input 0.
5V typ at 5V Operating Voltage 2.
4 to 5.
5V Maximum Operating Frequency 5MHz and more Output Current 25mA at 5V, 5mA at 3V C-MOS Technology Package Outline SSOP20 PIN CONFIGURATION P5 P6 P7 P8 VSS P9 P10 P11 P12 SO 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 VDD P4 P3 P2 P1 VSS CLR STB CLK DATA NJU3714AV BLOCK DIAGRAM DATA Shift Register Latch Circuit CLK P1 P2 P3 P11 P12 SO STB CLR Controller Circuit Ver.
2003-11-18 -1- NJU3714A www.
DataSheet4U.
com TERMINAL DESCRIPTION No.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 SYMBOL P5 P6 P7 P8 VSS P9 P10 P11 P12 SO DATA CLK STB CLR VSS P1 P2 P3 P4 VDD I/O O O O O O O O O O I I I I O O O O FUNCTION Parallel Conversion Data Output Terminals GND Parallel Conversion Data Output Terminals Serial Data Output Terminal Serial Data Input Terminal Clock Signal Input Terminal Strobe Signal Input Terminal Clear Signal Input Terminal GND Parallel Conversion Data Output Terminals Power Supply Terminal (2.
4 to 5.
5V) -2- Ver.
20...


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