39,465
edits
M092: Difference between revisions
no edit summary
No edit summary |
No edit summary |
||
| Line 11: | Line 11: | ||
It consists of a a 12×10×4 ROM coupled to a 4-bit DAC with internal precision current sources requiring a single precision external reference. | It consists of a a 12×10×4 ROM coupled to a 4-bit DAC with internal precision current sources requiring a single precision external reference. | ||
The ten "memory positions" are scanned by a 4-bit BCD input which may be 0 to -15 V timeslot data or TTL levels or any combination thereof. | The ten "memory positions" are scanned by a 4-bit BCD input which may be 0 to -15 V timeslot data or TTL levels or any combination thereof. The twelve "word" lines are low-active TTL inputs. | ||
Intended applications are for encoding of CRT readout directly with electrically alterable information. | Intended applications are for encoding of CRT readout directly with electrically alterable information. | ||