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AD6311 Datasheet(PDF) 2 Page - List of Unclassifed Manufacturers

Part No. AD6311
Description  1/8- to 1/16 Duty VFD Controller/Driver
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AD6311
1/8- to 1/16 Duty VFD Controller/Driver
Anachip Corp.
www.anachip.com.tw
Rev. A5 Dec 29, 2003
2/11
Pin Descriptions
Symbol
Name
No.
Description
DIN
Data input
6
Input serial data at rising edge of shift clock,
starting from the low order bit.
DOUT
Data output
5
Output serial data at the falling edge of the shift
clock, starting from low order bit. This is N-ch
open-drain output pin.
STB
Strobe
9
Initializes serial interface at the rising or falling
edge of the AD6311. It then waits for reception of a
command. Data input after STB falling is
processed as a command. While command data is
processed, current processing is stopped, and the
serial interface is initialized. While STB is high,
CLK is ignored.
CLK
Clock input
8
Reads serial data at the rising edge, and outputs
data at the falling edge.
OSC
Oscillator pin
52
Connect resistor in between this pin and Vdd to set
up the oscillation frequency.
Seg1/KS1 to
Seg12/KS12
High-voltage output
15 to 26
Multi-function pins, Segment output pins (Dual
function as key scan source)
Grid1 to Grid8
High-voltage output (Grid)
37 to 44 Grid output pins
Seg13/Grid16 to
Seg20/Grid9
High-voltage output (Segment/grid)
27 to 32
35, 36
These pins are selectable for segment or grid
driving.
LED1 to LED5
LED output
46 to 50 CMOS output
KEY1 to KEY4
Key data input
10 to 13
Data input to these pins is latched at the end of the
display cycle.
VDD
Logic power
14, 33, 45 Logic power supply
VSS
Logic ground
51
Connect this pin to system GND.
VEE
Pull-down level
34
Driver power supply
SW1 to SW4
Switch input
1 to 4
These pins constitute a 4-bit general-purpose input
port.
NC
NC
7
No connection
Ordering Information
AD6311X X X
Packing
Blank : Tray
Q: QFP-52L
Package
Lead
Blank: Normal
F: Lead Free




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