87
Specifications
10
10 Specifications
S27C450D
Horizontal Frequency
The time required to scan a single line from the left to the right side of the screen is called a
horizontal cycle. The reciprocal number of a horizontal cycle is called horizontal frequency.
Horizontal frequency is measured in kHz.
Vertical Frequency
Repeating the same picture dozens of times per second allows you to view natural pictures. The
repeat frequency is called "vertical frequency" or "refresh rate" and is indicated in Hz.
Resolution
Horizontal
Frequency
(kHz)
Vertical
Frequency
(Hz)
Pixel Clock
(MHz)
Sync Polarity
(H/V)
IBM, 720 x 400 31.469 70.087 28.322 -/+
MAC, 640 x 480 35.000 66.667 30.240 -/-
MAC, 832 x 624 49.726 74.551 57.284 -/-
MAC, 1152 x 870 68.681 75.062 100.000 -/-
VESA, 640 x 480 31.469 59.940 25.175 -/-
VESA, 640 x 480 37.861 72.809 31.500 -/-
VESA, 640 x 480 37.500 75.000 31.500 -/-
VESA, 800 x 600 35.156 56.250 36.000 +/+
VESA, 800 x 600 37.879 60.317 40.000 +/+
VESA, 800 x 600 48.077 72.188 50.000 +/+
VESA, 800 x 600 46.875 75.000 49.500 +/+
VESA, 1024 x 768 48.363 60.004 65.000 -/-
VESA, 1024 x 768 56.476 70.069 75.000 -/-
VESA, 1024 x 768 60.023 75.029 78.750 +/+
VESA, 1152 x 864 67.500 75.000 108.000 +/+
VESA, 1280 x 720 45.000 60.000 74.250 +/+
VESA, 1280 x 800 49.702 59.810 83.500 -/+
VESA, 1280 x 1024 63.981 60.020 108.000 +/+
VESA, 1280 x 1024 79.976 75.025 135.000 +/+
VESA, 1440 x 900 55.935 59.887 106.500 -/+
VESA, 1600 x 900 60.000 60.000 108.000 +/+
VESA, 1680 x 1050 65.290 59.954 146.250 -/+
VESA, 1920 x 1080 67.500 60.000 148.500 +/+