CS1087 ON Semiconductor, CS1087 Datasheet - Page 6

no-image

CS1087

Manufacturer Part Number
CS1087
Description
Vacuum Fluorescent Display Tube Driver
Manufacturer
ON Semiconductor
Datasheet
respective bits set to logic low in the data stream.
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.
microprocessor. The D
Table 1. Bit Pattern, G = Grid, A = Anode.
Bit #
Pin Name
Bit #
Pin Name
Unused grid and anode drivers should have their
Multiple grid or anode drivers may be connected together,
Care must be taken when interfacing this part to a
ANODES
* Selected grid goes high only if input bit pattern from shift register to grid is high.
CLK
GRIDS *
GREN
D
D
STB
OUT
IN
IN
A14
G1
17
PREV
BIT 1
1
BIT 1
1
A15
PREV
G2
BIT 2
18
BIT 2
2
OUT
2
output V
PREV
BIT 3
A16
BIT 3
G3
19
3
3
PREV
BIT 4
BIT 4
A17
A1
20
4
OH
4
is specified at 3.9 V
PREV
BIT 5
BIT 5
A18
A2
21
5
5
APPLICATION INFORMATION
PREV
BIT 6
BIT 6
Figure 3. Typical Operation
A19
A3
22
6
6
http://onsemi.com
PREV
BIT 7
BIT 7
A20
A4
23
7
7
CS1087
PREV
BIT 8
BIT 8
6
A21
A5
24
8
8
PREV
to 5.1 V at an I
result in a higher output voltage. V
load. V
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).
BIT 9
BIT 9
A22
A6
25
9
9
OH
A23
A7
10
26
= 5.7 V (max) with no load. Protection or
BIT 30 BIT 31 BIT 32 BIT 1
PREV
BIT 30
OUT
A24
30
A8
27
11
of –1.0 mA. Lower current loads will
PREV
BIT 31 BIT 32
31
A25
A9
12
28
PREV
32
A10
A26
13
29
PREV
OH
BIT 1
= 5.2 V (typ) with no
1
A11
A27
14
30
PREV
BIT 2
BIT 2
2
A12
A28
15
31
PREV
BIT 3
BIT 3
3
A13
A29
16
32

Related parts for CS1087