RG82855GMESL72L Datasheet, PDF (183/213 Pages) Intel Corporation – Intel® 855GM/855GME Chipset Graphics and Memory Controller Hub (GMCH)

Electrical Characteristics
R
Symbol
Signal
Parameter
Min
Group
V_IH
C_PAD
C_PCKG
(t), (a1) Input High
2.0
Voltage
(CMOS/LVTT
L CLK Inputs)
(t)
Input
1
Capacitance
(CMOS CLK
Inputs)
(t)
Input
1
Capacitance
(CMOS CLK
Inputs)
NOTES:
1. C_PCKG is the trace capacitance in the GMCH/MCH package.
Nom
1.25
2
Max
Unit Notes
V
1.5
pF
3
pF
1
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.
Datasheet
183