TLC5945
www.ti.com
SLVS755–MARCH 2007
DEVICE INFORMATION
RHB PACKAGE
(TOP VIEW)
PWP PACKAGE
(TOP VIEW)
1
28
27
26
25
24
23
22
21
20
19
18
17
16
15
GND
BLANK
XLAT
VCC
2
3
4
5
6
7
8
9
IREF
TEST
SCLK
SIN
GSCLK
SOUT
XERR
OUT15
OUT14
OUT13
OUT12
OUT11
OUT10
OUT9
MODE
OUT0
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
TEST
25
16 OUT10
15 OUT9
14 OUT8
13 NC
Thermal
PAD
IREF 26
VCC 27
NC 28
THERMAL
PAD
10
11
12
13
14
NC 29
12 NC
GND 30
BLANK 31
11 OUT7
10 OUT6
OUT8
XLAT
32
9
OUT5
NC − No internal connection
TERMINAL FUNCTION
TERMINAL
PWP
I/O
DESCRIPTION
NAME
RHB
Blank all outputs. When BLANK = H, all OUTn outputs are forced OFF. GS counter is also
reset. When BLANK = L, OUTn are controlled by grayscale PWM control.
BLANK
2
31
I
GND
1
30
24
26
G
I
Ground
GSCLK
IREF
25
27
Reference clock for grayscale PWM control
I/O Reference current terminal
No connection
NC
-
12, 13, 28, 29
OUT0
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
OUT8
OUT9
OUT10
OUT11
OUT12
OUT13
OUT14
OUT15
SCLK
SIN
7
4
5
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
Constant-current output
Constant-current output
Constant-current output
Constant-current output
Constant-current output
Constant-current output
Constant-current output
Constant-current output
Constant-current output
Constant-current output
Constant-current output
Constant-current output
Constant-current output
Constant-current output
Constant-current output
Constant-current output
Serial data shift clock
Serial data input
8
9
6
10
11
12
13
14
15
16
17
18
19
20
21
22
4
7
8
9
10
11
14
15
16
17
18
19
20
21
1
5
2
I
6
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