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BA829 Datasheet(PDF) 4 Page - Rohm |
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BA829 Datasheet(HTML) 4 Page - Rohm |
4 / 8 page BA829 Technical Note 4/7 www.rohm.com 2009.06 - Rev.A © 2009 ROHM Co., Ltd. All rights reserved. ● Block diagram Fig.3 ● Pin descriptions PIN No. Terminal I/O Function 1 CLK I Clock input 2 PSW I Power switch 3 DOUT O Cascade output 4 VCC - Power supply 5 PGND - GND 6 O8 O Parallel data output 7 O7 O 8 O6 O 9 O5 O 10 O4 O 11 O3 O 12 O2 O 13 O1 O 14 PGND - GND 15 LGND - GND 16 DATA I Serial data input 17 STB I Strobe input , “L” active 18 LATCH I Latch input ● Description of operation BA829 is configured internally as shown in the logic circuit diagram. Terminals of clock (CLK), data (DATA), latch (LATCH), strobe (STB), and power switch (PSW) are available as input. Data input is synchronized with the clock, read serially during the rise time and latched at the rise time edge of the shifted shift register. Latched data appears on the output terminal of O1-O8 by the strobe input. Pulse width is the same as that of the strobe input. Data output terminal DOUT, is a terminal used for cascade connection of the IC, where the output of the final stage of the shift register has appeared, and is connected to the next data input terminal DATA. In this case, when the clock and the strobe are used in conjunction, output terminal can be increased by 8 bits at a time. To affect the standby mode, set the power switch to “L”. 16 1 18 17 14 01 13 02 12 03 11 04 10 05 9 06 8 07 7 08 6 2 3 15 4 5 DATA LATCH STB PGND CLK POWER GND VCC LOGIC GND DOUT POWER ON PSW LATCH SHIFT REG |
Similar Part No. - BA829_09 |
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Similar Description - BA829_09 |
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