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AD7312 Datasheet(PDF) 7 Page - List of Unclassifed Manufacturers

Part # AD7312
Description  1/4 to 1/11 Duty VFD Controller/Driver & Standby Master/Slave
PDF  12 Pages
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Manufacturer  ETC [List of Unclassifed Manufacturers]
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AD7312 Datasheet(HTML) 7 Page - List of Unclassifed Manufacturers

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AD7312
1/4 to 1/11 Duty VFD Controller/Driver & Standby Master/Slave (Preliminary)
Anachip Corp.
www.anachip.com.tw
Rev. A2 Dec 29, 2003
7/12
(2)Key Scanning and Display Timing
On cycle of key scanning consists of one frame, and data in a 6× 4 matrix is stored in RAM.
1/16
TDISP
1 frame = TDISP× (n+1)
TDISP 500μs
SEG Output
Grid1
Grid2
Grid3
Gridn
DIG1
DIG2
DIG3
DIGn
Key scan data
DIG1
12 3 4 5 6
≅
Switching characteristic waveforms
fosc
50%
OSC
tTHZ
tTZH
STB
CLK
DIN
DOUT
Sn/Gn
90%
10%
PWCLK
PWCLK
tHOLD
tSETUP
tPLZ
PWSTB
tCLK-STB
tPZL



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