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| HI1178_05 Datasheet, PDF (7/11 Pages) Intersil Corporation – Triple 8-Bit, 40MSPS, RGB, 3-Channel D/A Converter | |||
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Test Circuits (Continued)
HI1178
CLK
1MHz
SQUARE
WAVE
8-BIT
COUNTER
WITH
LATCH
DELAY
CONTROLLER
DELAY
CONTROLLER
R0 ~ R7
1~8
G0 ~ G7
9 ~ 18
B0 ~ B7
17 ~ 24
25 BLK
26 CE
0.1µ
32 VB
DVSS
27 RCK
28 GCK
29 BCK
HI1178
R0 37
G0 39
B0 41
75
AVSS
75
AVSS
75
AVSS
VG 42
VREF 34
IREF 35
AVDD
0.1µ
1K
1.2K
AVSS
OSCILLOSCOPE
FIGURE 3. SETUP HOLD TIME AND GLITCH ENERGY TEST CIRCUIT
DIGITAL
WAVEFORM
GENERATOR
ALL â1â
R0 ~ R7
1~8
G0 ~ G7
9 ~ 16
B0 ~ B7
17 ~ 24
DVSS
CLK
40MHz
SQUARE
WAVE
25 BLK
26 CE
0.1µ
32 VB
27 RCK
28 GCK
29 BCK
HI1178
R0 37
G0 39
AVSS
B0 41
AVSS
SPECTRUM
ANALYZER
AVSS
VG 42
VREF 34
0.1µ
IREF 35
AVDD
1K
AVSS
FIGURE 4. CROSSTALK TEST CIRCUIT
7
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