Datasheet

Electrical Characteristics
R
Datasheet 183
Symbol Signal
Group
Parameter Min Nom Max Unit Notes
V
IH
(t), (a1) Input High
Voltage
(CMOS/LVTT
L CLK Inputs)
2.0 V
C
PAD
(t) Input
Capacitance
(CMOS CLK
Inputs)
1 1.25 1.5 pF
C
PCKG
(t) Input
Capacitance
(CMOS CLK
Inputs)
1 2 3 pF 1
NOTES:
1. C
PCKG
is the trace capacitance in the GMCH/MCH package.
8.5.2 DAC DC Characteristics
Table 48. DAC DC Characteristics: Functional Operating Range (VCCDAC = 1.5 V ±5%)
Parameter Min Typical Max Units Notes
DAC Resolution 8 Bits (1)
Max Luminance (full-scale) 0.665 0.700 0.770 V (1, 2, 4) white video level voltage
Min Luminance 0.000 V (1, 3, 4) black video level voltage
LSB Current 73.2 µA (4, 5)
Integral Linearity (INL) 0 +2.0 LSB (1, 6)
Differential Linearity (DNL) -1.0 +1.0 LSB (1, 6)
Video channel-channel voltage
amplitude mismatch
6 % (7)
Monotonicity Guaranteed
NOTES:
1. Measured at each R, G, B termination according to the VESA Test Procedure – Evaluation of Analog
Display Graphics Subsystems Proposal (Version 1, Draft 4, December 1, 2000).
2. Max steady-state amplitude
3. Min steady-state amplitude
4. Defined for a double 75- termination.
5. Set by external reference resistor value.
6. INL and DNL measured and 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)
Note: Refer to the Intel
®
Pentium
®
M Processor and Intel
®
855GM/855GME Chipset Platform Design
Guide for interconnect length specifications.