參數(shù)資料
型號： TLC34076-170
廠商： Texas Instruments, Inc.
英文描述： Color-Palette(170MHz,與TLC34075兼容，另具24位和16位真彩色模式)
中文描述： 顏色調(diào)色板（170MHz的，與TLC34075兼容，另具24位和16位真彩色模式）
文件頁數(shù)： 52/60頁
文件大?。?/td> 408K
代理商： TLC34076-170
B–1
Appendix B
PC Board Layout Considerations
PC Board Considerations
A four-layer PC board should be used with the TLC34076-170: one layer each for 5-V power and GND and
two layers for signals. The layout should be optimized for the lowest-possible noise on the TLC34076-170
power and ground lines by shielding the digital inputs and providing good decoupling. The lead length
between groups of V
DD
and GND terminals should be minimized so as to reduce inductive ringing. The
terminal assignments for the TLC34076-170 P<0:31> inputs were selected for minimum interconnect
lengths between these inputs and the VRAM pixel data outputs. The TLC34076-170 should be located as
close to the output connectors as possible to minimize noise pickup and reflections due to impedance
mismatching.
Ground Plane
A single ground plane is recommended for both the TLC34076-170 and the rest of the logic. Separate digital
and analog ground planes are not needed.
Power Plane
Split power planes are recommended for the TLC34076-170 and the rest of the logic. The TLC34076-170
and its associated analog circuitry should have their own power plane (referred to as AV
CC
in Figure B–1).
The two power planes should be connected at a single point through a ferrite bead as shown in Figures B–1,
B–2, and B–3. This bead should be located within three inches of the TLC34076-170.
Supply Decoupling
Bypass capacitors should be installed using the shortest leads possible, consistent with reliable operation,
to reduce the lead inductance.
For the best performance, a 0.1-
μ
F ceramic capacitor in parallel with a 0.01-
μ
F chip capacitor should be
used to decouple each of the three groups of power terminals to GND. These capacitors should be placed
as close as possible to the device as shown in Figure B–2.
If a switching power supply is used, the designer should pay close attention to reducing power supply noise
and should consider using a three-terminal voltage regulator for supplying power to AV
CC
.
COMP and V
ref
Terminals
A 100-
resistor (optional) and 0.1-
μ
F ceramic capacitor (approximate values) should be connected in
series between the device’s COMP and V
DD
terminals in order to avoid noise and color-smearing problems.
Also, whether an internal or external voltage reference is used, a 0.1-
μ
F capacitor should be connected
between the device’s V
ref
and GND terminals to further stabilize the video image. These resistor and
capacitor values may vary depending on the board layout; experimentation may be required in order to
determine optimum values.
相關(guān)PDF資料
PDF描述
TLC34076M-135 Color-Palette(135MHz,與TLC34075兼容，另具24位和16位真彩色模式)
TLC4501(中文) Self-Calibrating Dual Operational Amplifier(先進LINEPIC，自校準精密運放)
TLC4502(中文) Self-Calibrating Operational Amplifier(先進LINEPIC，雙組自校準精密運放)
TLC540(中文) 8-Bit Analog-To-Digital Converters With Serial Control And 11 Inputs(串行控制，75ksps,12通道，8位ADC)
TLC541(中文) 8-Bit Analog-To-Digital Converters With Serial Control And 11 Inputs(串行控制，40ksps,12通道，8位ADC)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TLC34076-85FN 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:
TLC34077 制造商:TI 制造商全稱:Texas Instruments 功能描述:Video Interface Palette Data Manual
TLC34077135FN 制造商:TI 功能描述:*
TLC352 制造商:TI 制造商全稱:Texas Instruments 功能描述:LinCMOSE DUAL DIFFERENTIAL COMPARATOR
TLC352CD 功能描述:校驗器 IC Dual Differential RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel
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