|
| | RCA COSMAC 1806
General
|
General Information
|
The COSMAC
1806 was a ROM-less and RAM-less version of the 1804. It's primary use was for
prototyping 1804 functions or for 1804 based systems with larger,
external, memory requirements. It did include the 1804
Counter/Timer. |
Production
|
3rd Quarter 1981 |
| Designers |
Lead Designer: Joe Weisbecker, Team Lead: Jerry
Herzog |
Architecture
| Type |
Data Word |
Address Space |
Max Clock |
Instruct- ions |
Assists |
Reg's GP |
Reg's Math |
Reg's Index |
IO Ports |
Stack |
Interrupts |
Memory |
| MCU,
CMOS |
8-bit |
64K |
4Mhz and 8Mhz |
113 |
NA |
16x16-bit or 32x8-bit |
1 |
NA |
8 |
Ext RAM |
1 Level |
NA |
Packages
|
Chip Name |
Package
|
On-Chip Identification |
Picture |
General Comments
|
| CDP1806D |
white ceramic, silver lid, 40 gold side braised
pins |
CDP1806D |
|
Standard operating range: 4V to10.5V. The
ceramic "D" versions have an operating temperature range of -55o
to 120oC |
| CDP1806D |
white ceramic, silver lid, 40 gold side braised
pins |
CDP1806CD |
|
"C" suffix versions have a lower
voltage range: 4V to 6.5V. Max clock is limited to 4Mhz. |
| CDP1806AD |
white ceramic, silver lid, 40 gold side braised
pins |
CDP1806AD |
|
|
| CDP1806ACD |
white ceramic, silver lid, 40 gold side braised
pins |
CDP1806ACD |
|
|
| CDP1806E |
black plastic, 40 tin leads |
CDP1806E |
|
The plastic "E" versions have an
operating temperature range of -40o to 85oC, |
| CDP1806CE |
black plastic, 40 tin leads |
CDP1806CE |
|
|
| CDP1806AE |
black plastic, 40 tin leads |
CDP1806AE |
|
|
| CDP1806ACE |
black plastic, 40 tin leads |
CDP1806ACE |
|
|
| CDP1806AQ |
black plastic QUIP, 44 tin leads |
CDP1806AQ |
|
The plastic QUIP "Q" versions have an
operating temperature range of -40o to 85oC, |
| CDP1806ACQ |
black plastic QUIP, 44 tin leads |
CDP1806ACQ |
|
|
Related Chips
|
Related Chips
|
RCA 1801,
RCA 1802, RCA 1804,
RCA
1805
|
|
Second Sources |
None |
| Support Chips |
1852
(8-bit I/O Port), 1854 (UART), 1856 (4-bit memory buffer),
1857 (4-bit I/O
buffer)
|
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|
