參數(shù)資料
型號: ADV7152
廠商: Analog Devices, Inc.
英文描述: CMOS 220 MHz True-Color Graphics Triple 10-Bit Video RAM-DAC(三通道,10位視頻RAM-D/A轉(zhuǎn)換器)
中文描述: 220兆赫的CMOS真彩色圖形三路10位顯存,數(shù)模轉(zhuǎn)換器(三通道,10位視頻RAM的的D / A轉(zhuǎn)換器)
文件頁數(shù): 18/32頁
文件大?。?/td> 322K
代理商: ADV7152
ADV7152
–25–
REV. B
VAA
VREF
RSET
IOR
IOG
IOB
IPLL
GND
COMP
IOR
IOG
IOB
RSET
280
1k
(1% METAL)
AD589
(1.2V REF)
0.1
F
+5V (VAA)
75
75
75
75
75
75
COMPLIMENTARY
OUTPUTS
CO-AXIAL CABLE
(75
)
BNC
CONNECTORS
MONITOR
(CRT)
+5V (VAA)
0.1
F
ANALOG POWER PLANE
33
F
0.1
F
0.01
F
0.1
F
0.01
F
0.1
F
0.01
F
0.1
F
0.01
F
+5V (VAA)
0.1
F
+5V (VCC )
L1
(FERRITE BEAD)
NOTES:
1. ALL RESISTORS ARE 1% METAL FILM
2. 0.1
F AND 0.01F CAPACITORS ARE CERAMIC
3. ADDITIONAL DIGITAL CIRCUITRY OMITTED FOR CLARITY
ADV7152
POWER SUPPLY DECOUPLING (0.1
F AND 0.01F CAPACITOR FOR EACH VAA GROUP)
Recommended Analog Circuit Layout
APPENDIX 2
TYPICAL FRAME BUFFER INTERFACE
CLOCK
ADV7152
CLOCK
LOADOUT
DIVIDE BY M
(+M)
PRGCKOUT
LOADIN
SCKOUT
SCKIN
BLANK
LATCH
ENABLE
SYNC
ECL
TO
TTL
DIVIDE BY N
(
÷ N)
VRAM
(BANK A)
VRAM
(BANK B)
FRAME
BUFFER/
VIDEO MEMORY
MULTIPLEXER
24
TO
PALETTE/RAM
& DAC
24
BLANK
SYNC
CLOCK
GRAPHICS
PROCESSOR/
CONTROLLER
CLOCK GENERATOR
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