Data Sheet
Pin Configuration
TQFP-48
R7
R6
R5
R4
R3
R2
R1
R0
GND
GND
NC
R
SET
CDK3405
8-bit, 180MSPS, Triple Video DACs
48
47
46
45
44
43
42
41
40
39
38
37
GND
GND
G0
G1
G2
G3
G4
G5
G6
G7
BLANK
SYNC
1
2
3
4
5
6
7
8
9
10
11
12
36
35
34
33
32
31
30
29
28
27
26
25
TQFP
CDK3405
V
REF
COMP
IO
R
NC
IO
G
NC
V
AA
V
AA
IO
B
NC
GND
GND
Pin Assignments
Pin No.
24
41-48
3-10
16-23
Controls
12
11
Video Outputs
34
32
28
36
37
35
13, 29, 30
1, 2, 14,
15, 25, 26,
39, 40
27, 31, 33
IOR
IOG
IOB
V
REF
R
SET
COMP
V
AA
GND
NC
Red Current Output
Green Current Output
Blue Current Output
Input for DACs or Voltage Reference Output (1.25V)
Current-Setting Resistor
Compensation Capacitor
Analog Power Supply
Ground
No Connect
SYNC
BLANK
Sync Pulse Input
Blanking Input
Pin Name
CLK
R7-0
G7-0
B7-0
Description
Clock Input
Red Pixel Data Inputs
Green Pixel Data Inputs
Blue Pixel Data Inputs
Clock and Pixel I/O
V
AA
GND
GND
B0
B1
B2
B3
B4
B5
B6
B7
CLOCK
13
14
15
16
17
18
19
20
21
22
23
24
Rev 1B
Voltage Reference
Power and Ground
©2009-2010 CADEKA Microcircuits LLC
www.cadeka.com
2
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