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CS1089 Datasheet(PDF) 6 Page - ON Semiconductor

Part No. CS1089
Description  Vacuum Fluorescent Display Tube Driver
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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CS1089 Datasheet(HTML) 6 Page - ON Semiconductor

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CS1089
http://onsemi.com
6
APPLICATION INFORMATION
Table 1. Bit Pattern, G = Grid, A = Anode.
Bit #
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Pin Name
A1
A2
A3
A4
A5
A6
A7
A8
A16
A15
A14
A13
A12
A11
A10
A9
Bit #
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
Pin Name
A23
A22
A21
A20
A19
A18
A17
G3
A24
A25
A26
A27
A28
A29
G1
G2
2
34
56
78
9
30
31
32
12
3
1
CLKIN
BIT 1
BIT 2
BIT 3
BIT 4
BIT 5
BIT 6
BIT 7
BIT 8
BIT 9
BIT 30 BIT 31 BIT 32
BIT 1
BIT 2
BIT 3
DIN
BIT 1
BIT 2
BIT 3
BIT 4
BIT 5
BIT 6
BIT 7
BIT 8
BIT 9
BIT 30
BIT 31
BIT 32
BIT 1
BIT 2
BIT 3
DOUT
PREV
PREV
PREV
PREV
PREV
PREV
PREV
PREV
PREV
PREV
PREV
PREV
PREV
PREV
PREV
STB
ANODES
GREN
GRIDS *
* Selected grid goes high only if input bit pattern from shift register to grid is high.
Figure 3. Typical Operation
Unused grid and anode drivers should have their
respective bits set to logic low in the data stream.
Multiple grid or anode drivers may be connected together,
but must be programmed to the same logic state for proper
device operation. Maximum package power must be
observed and care must be taken to maintian junction
temperature below +150
°C.
Care must be taken when interfacing this part to a
microprocessor. The DOUT output VOH is specified at 3.9 V
to 5.1 V at an IOUT of –1.0 mA. Lower current loads will
result in a higher output voltage. VOH = 5.2 V (typ) with no
load. VOH = 5.7 V (max) with no load. Protection or
workarounds for the device may be needed at the application
level. No protection is needed when interfacing with other
parts in this family (CS1087, CS1088, or CS1089).


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