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NJU3712D
NJU3712 8-BIT SERIAL TO PARALLEL CONVERTER PACKAGE OUTLINE GENERAL DESCRIPTION The NJU3712 is an 8-bit serial to parallel converter especially applying to MPU outport expander. The effective outport assignment of MPU is available as the connection between NJU3712 and MPU is required 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 NJU3712 outputs the serial data from SO terminal through the shift register. Therefore, it connects with other SIPO ICs like as NJU3711 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. NJU3712M NJU3712D NJU3712V PIN CONFIGURATION FEATURES 8-Bit Serial In Parallel Out Hysteresis Input 0.5V typ Operating Voltage 5V±10% Maximum Operating Frequency 5MHz and more Output Current 25mA C-MOS Technology Package Outline DIP16/DMP16/SSOP16 P3 P4 P5 VSS P6 P7 P8 SO 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 VDD P2 P1 VSS CLR STB CLK DATA NJU3712D/M/V BLOCK DIAGRAM P1 DATA Latch Circuit Shift Register P2 CLK P3 P7 P8 SO STB CLR Ver.2003-11-18 Controller Circuit -1-
JRC
日本無線株式会社
日本
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