RAMDAC 256 x 18: Difference between revisions
From Citylan
Jump to navigationJump to search
m (→Files) |
m (→Files) |
||
| (4 intermediate revisions by the same user not shown) | |||
| Line 8: | Line 8: | ||
!MARKINGS | !MARKINGS | ||
|- | |- | ||
|Analod Devices || ADV || 476 || DIP28 LCC44 || || ADV476 | |Analod Devices || ADV || 476 || DIP28-600mil LCC44 || || ADV476 | ||
|- | |- | ||
|Brooktree || BT || 471 || LCC44 || . || BT471KP BT471KPJ | |Brooktree || BT || 471 || LCC44 || . || BT471KP BT471KPJ | ||
|- | |- | ||
|Brooktree || BT || 476 || DIP28 LCC44 || . || BT476KP BT476KPJ | |Brooktree || BT || 476 || DIP28-600mil LCC44 || . || BT476KP BT476KPJ | ||
|- | |- | ||
|Hualon Microelectronics || HM || 86171 || DIP28 || || HM86171 | |Hualon Microelectronics || HM || 86171 || DIP28-600mil || || HM86171 | ||
|} | |} | ||
| Line 49: | Line 49: | ||
+--------+ | +--------+ | ||
LCC44 (valid for 476) | LCC44-690x690mil (valid for 476) | ||
+-----------------------------------------------+ | +-----------------------------------------------+ | ||
| 40 Clock | 7 *BLANK | 18 RS1 | 29 COMP | | | 40 Clock | 7 *BLANK | 18 RS1 | 29 COMP | | ||
| Line 64: | Line 64: | ||
+-----------------------------------------------+ | +-----------------------------------------------+ | ||
LCC44 (valid for 471) | LCC44-690x690mil (valid for 471) | ||
+-----------------------------------------------+ | +-----------------------------------------------+ | ||
| 40 Clock | 7 *BLANK | 18 RS1 | 29 COMP | | | 40 Clock | 7 *BLANK | 18 RS1 | 29 COMP | | ||
| Line 79: | Line 79: | ||
+-----------------------------------------------+ | +-----------------------------------------------+ | ||
</pre> | </pre> | ||
=External links= | =External links= | ||
| Line 99: | Line 98: | ||
[[Category:RAM]] | [[Category:RAM]] | ||
[[Category:DIP28- | [[Category:DIP28-600mil]] | ||
[[Category:LCC44]] | [[Category:LCC44-690x690mil]] | ||
Latest revision as of 20:37, 16 January 2023
| BRAND | TAG | NUMBER | PIN COUNT | OUTPUT | MARKINGS |
|---|---|---|---|---|---|
| Analod Devices | ADV | 476 | DIP28-600mil LCC44 | ADV476 | |
| Brooktree | BT | 471 | LCC44 | . | BT471KP BT471KPJ |
| Brooktree | BT | 476 | DIP28-600mil LCC44 | . | BT476KP BT476KPJ |
| Hualon Microelectronics | HM | 86171 | DIP28-600mil | 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
+--------+
LCC44-690x690mil (valid for 476)
+-----------------------------------------------+
| 40 Clock | 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 |
+-----------------------------------------------+
LCC44-690x690mil (valid for 471)
+-----------------------------------------------+
| 40 Clock | 7 *BLANK | 18 RS1 | 29 COMP |
| 41 OL0 | 8 D0 | 19 GND | 30 OPA |
| 42 OL1 | 9 D1 | 20 Vcc | 31 Vref |
| 43 OL2 | 10 D2 | 21 Vcc | 32 P0 |
| 44 OL3 | 11 D3 | 22 Vcc | 33 P1 |
| 1 NC | 12 D4 | 23 SETUP | 34 P2 |
| 2 NC | 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 40 to measure CPU clock
Files
-
ADV476 Datasheet
-
BT471 BT476 Datasheet
-
HM86171 Datasheet
