RAMDAC 256 x 18: Difference between revisions
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Revision as of 15:39, 18 January 2017
| BRAND | TAG | NUMBER | PIN COUNT | OUTPUT | MARKINGS |
|---|---|---|---|---|---|
| Analod Devices | ADV | 476 | DIP28 LCC44 | ADV476 | |
| Hualon Microelectronics | HM | 86171 | DIP28 | HM86171 |
Random Access Memory Digital-to-Analog Converter 256 x 18 Color Palette (DIP28, 600mil)(LCC44)
Size
| bit | Byte (unpadded) | Hex |
|---|---|---|
| 4608 | 576 | 1200hex |
Pinout
DIP28
+---\/---+
RED | 1 28| Vcc
GREEN | 2 27| RS1
BLUE | 3 26| RS0
Iref | 4 25| *WR
P0 | 5 24| D7
P1 | 6 23| D6
P2 | 7 22| D5
P3 | 8 21| D4
P4 | 9 20| D3
P5 |10 19| D2
P6 |11 18| D1
P7 |12 17| D0
Pclk |13 16| *BLANK
Vss(gnd) |14 15| *RD
+--------+
LCC44
+---------------------------------------------------------------+
| 40 Pclk | 7 *BLANK | 18 RS1 | 29 COMP |
| 41 GND | 8 D0 | 19 GND | 30 OPA |
| 42 GND | 9 D1 | 20 Vcc | 31 Vref |
| 43 GND | 10 D2 | 21 Vcc | 32 P0 |
| 44 GND | 11 D3 | 22 Vcc | 33 P1 |
| 1 NC | 12 D4 | 23 GND | 34 P2 |
| 2 GND | 13 D5 | 24 GND | 35 P3 |
| 3 GND | 14 D6 | 25 RED | 36 P4 |
| 4 Vcc | 15 D7 | 26 GREEN | 37 P5 |
| 5 GND | 16 *WR | 27 BLUE | 38 P6 |
| 6 *RS | 17 RS0 | 28 Iref | 39 P7 |
+---------------------------------------------------------------+
External links
Frequency
DIP28
Set reader to FREQ, put black probe to GND, red probe to 13 to measure CPU clock
PLCC44
Set reader to FREQ, put black probe to GND, red probe to 7 to measure CPU clock
Files
-
ADV476 Datasheet
-
HM86171 Datasheet
