參數(shù)資料
型號(hào)： BT458LG165
英文描述： Video DAC with Color Palette (RAMDAC)
中文描述： 視頻DAC的調(diào)色板（的RAMDAC）
文件頁數(shù)： 33/60頁
文件大?。?/td> 647K
代理商： BT458LG165
L45801 Rev. N
Conexant
4-1
4
4.0 Application Information
4.1 Clock Interfacing
Because of the high clock rates at which the Bt457 and Bt458 can operate, they
will accept differential clock signals (CLOCK and CLOCK*). These clock inputs
are generated by ECL logic operating at +5 V The CLOCK and CLOCK* inputs
require termination resistors (220
to GND) that should be located as close as
possible to the clock driver. A 150
chip resistor connected between the
RAMDAC
’
s CLOCK and CLOCK* pins is also required to ensure proper
termination. It should be located as close as possible to the RAMDAC.
Figure 4-1
illustrates the location.
Figure 4-1. Generating the Bt458 Clock Signals
+5V
14
MONITOR
PRODUCTS
970E
7
220
330
+5V
220
220
150
0.1
1K
VAA
CLOCK
CLOCK*
LDA
VREF
CLOCK
CLOCK*
LDA*
VREF
Bt438
Bt458
457-8_007
相關(guān)PDF資料
PDF描述
BT458LPJ110 Video DAC with Color Palette (RAMDAC)
BT458LPJ125 Video DAC with Color Palette (RAMDAC)
BT458LPJ135 Video DAC with Color Palette (RAMDAC)
BT458LPJ165 Video DAC with Color Palette (RAMDAC)
BT458LPJ80 Video DAC with Color Palette (RAMDAC)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
BT458LPJ110 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Video DAC with Color Palette (RAMDAC)
BT458LPJ125 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Video DAC with Color Palette (RAMDAC)
BT458LPJ135 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Video DAC with Color Palette (RAMDAC)
BT458LPJ165 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Video DAC with Color Palette (RAMDAC)
BT458LPJ80 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Video DAC with Color Palette (RAMDAC)
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