adv7152 Analog Devices, Inc., adv7152 Datasheet - Page 25

• Manufacturer Part Number: adv7152
• Description: Cmos 220 Mhz True-color Graphics Triple 10-bit Video Ram-dac
• Manufacturer: Analog Devices, Inc.

REV. B
0.1 F
+5V (V
AA
)
CONTROLLER
VIDEO MEMORY
PROCESSOR/
CLOCK GENERATOR
GRAPHICS
COMP
BUFFER/
FRAME
ADV7152
GND
CLOCK
V
AA
V
R
IOG
IOG
IOB
IOR
IOB
IOR
I
(BANK A)
(BANK B)
PLL
REF
SET
BLANK
SYNC
VRAM
VRAM
TYPICAL FRAME BUFFER INTERFACE
Recommended Analog Circuit Layout
POWER SUPPLY DECOUPLING (0.1 F AND 0.01 F CAPACITOR FOR EACH V
ANALOG POWER PLANE
(1% METAL)
0.1 F
75
R
280
SET
PRGCKOUT
1k
LOADOUT
SCKOUT
+5V (V
LOADIN
75
CLOCK
CLOCK
0.01 F
APPENDIX 2
BLANK
COMPLIMENTARY
SCKIN
SYNC
AD589
(1.2V REF)
OUTPUTS
AA
24
24
)
75
0.1 F
–25–
0.1 F
24
24
NOTES:
1. ALL RESISTORS ARE 1% METAL FILM
2. 0.1 F AND 0.01 F CAPACITORS ARE CERAMIC
3. ADDITIONAL DIGITAL CIRCUITRY OMITTED FOR CLARITY
CO-AXIAL CABLE
+5V (V
ECL
TTL
TO
MULTIPLEXER
CONNECTORS
(75 )
0.01 F
AA
33 F
DIVIDE BY N
)
( N)
BNC
0.1 F
24
ADV7152
(FERRITE BEAD)
LATCH
75
ENABLE
75
75
L1
DIVIDE BY M
TO
PALETTE/RAM
& DAC
0.01 F
(+M)
AA
MONITOR
0.1 F
(CRT)
GROUP)
+5V (V
CC
0.1 F
0.01 F
)
ADV7152