RG82845G S L66F Intel, RG82845G S L66F Datasheet - Page 153

• Manufacturer Part Number: RG82845G S L66F
• Manufacturer: Intel

Specifications of RG82845G S L66F

• Lead Free Status / RoHS Status: Not Compliant

6.6
6.6.1
Intel
®
Figure 6-1. System Bus HCLKP/N VCROSS Range
Table 6-7. DAC DC Characteristics: Functional Operating Range (VCCDAC = 1.5 V ±5%)
82845G/82845GL/82845GV GMCH Datasheet
DAC Characteristics
The GMCH DAC (digital-to-analog converter) consists of three identical 8-bit DACs to provide
red, green, and blue color components. Each DAC can output a current from 0 to 255 units of
current, where one unit of current (LSB) is defined based on the VESA video signal standard.
DAC DC Characteristics
NOTES:
1. Measured at each R,G,B termination according to the VESA Test Procedure – Evaluation of Analog Display
2. Max steady-state amplitude
3. Min steady-state amplitude
4. Defined for a double 75 Ω termination
5. Set by external reference resistor value
6. INL and DNL measured & calculated according to VESA Video Signal Standards
7. Max full-scale voltage difference among R,G,B outputs (percentage of steady-state full-scale voltage)
DAC Resolution
Max Luminance (full-scale)
Min Luminance
LSB Current
Integral Linearity (INL)
Differential Linearity (DNL)
Video channel-channel voltage
amplitude mismatch
Monotonicity
Graphics Subsystems Proposal (Version 1, Draft 4, December 1, 2000)
Parameter
550
500
450
400
350
300
250
200
625
For VHigh < 0.71V
650
Vcross Range
0.665
–1.0
–1.0
Min
8
Vcross(rel) Max = 0.5 (Vhavg - 0.710) + .550
Vcross(rel) Min = 0.5 (Vhavg - 0.710) + .250
675
Guaranteed
Typical
0.700
0.000
73.2
700
VHigh Average (mV) (Measured)
725
0.770
Vcross(rel) Max
+1.0
+1.0
Max
Vcross(rel) Min
6
750
Units
775
LSB
LSB
Bits
µ A
%
V
V
For VHigh > 0.71V
Vcross Range
800
Note 1
Notes 1, 2, 4, white video level
voltage
Notes 1, 3, 4, black video level
voltage
Notes 4, 5
Notes 1, 6
Notes 1, 6
Notes 7
Electrical Characteristics
825
850
Notes
153