CH7003B Datasheet, PDF (49/50 Pages) List of Unclassifed Manufacturers – Digital PC to TV Encoder

CHRONTEL
Electrical Specifications (continued)
Table 36. Digital Inputs/Outputs
Symbol
V_SDOL
V_IICIH
V_IICIL
V_DATAIH
V_DATAIL
V_P-OUTOH
V_P-OUTOL
Description
SD Output
Low Voltage
SD Input
High Voltage
SD Input
Low Voltage
D[0-15] Input
High Voltage
D[0-15] Input
Low Voltage
P-OUT Output
High Voltage
P-OUT Output
Low Voltage
Test Condition
IOL = 3.2 mA
IOL = - 400 µA
IOL = 3.2 mA
Note:
1. V_IIC - refers to I2C pins SD and SC.
2. V_DATA - refers to all digital pixel and clock inputs.
3. V_SD - refers to I2C pin SD as an output
4. V_P-OUT - refers to pixel data output.
CH7003B
Min
Typ
Max
Unit
0.4
V
3.4
GND-0.5
V_DD + 0.5
V
1.4
V
2.5
DVDD+0.5 V
GND-0.5
0.8
V
2.8
V
0.2
V
Table 37. Timing - TV Encoder
Symbol
t_P1
t_PH1
tdc1
t_P2
t_PH2
tdc2
t_P3
t_PH3
tdc3
Description
Pixel Clock Period
Pixel Clock High Time
Pixel Clock Duty Cycle (t_PH1/t_P1)
Pixel Clock Period
Pixel Clock High Time
Pixel Clock Duty Cycle (t_PH2/t_P2)
Pixel Clock Period
Pixel Clock High Time
Pixel Clock Duty Cycle (t_PH3/t_P3)
Min
20
8
40
10
40
10
40
Typ
50
50
50
Max
50
25
60
25
60
17
60
Unit
nS
nS
%
nS
nS
%
nS
nS
%
Table 38. Timing - Graphics
Symbol
t_HSW
t
HD
t_SP1,t_SP2,t_SP3
t_HP1,t_HP2,t_HP3
Description
Horizontal Sync Pulse Width
Pixel Clock to Horizontal Leading Edge Delay
Setup time from Pixel Data to Pixel Clock
Hold time from Pixel Clock to Pixel Data
Min
1
2
2
2
Typ
Max
Unit
t_p
17
nS
nS
nS
201-0000-023 Rev 4.1, 8/2/99
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