Not only does Unicorn Electronics offer to sell you the extinct SN76477 chip, but also a few other ones that I was not familar with.
| Stock # | Pins | Description | 1-24 | 25-99 | 100+ | ||
|---|---|---|---|---|---|---|---|
| BR1941* | 18 | Dual Baud Rate Generator | 1.99 | [Order] | 1.89 | 1.70 | [Checkout] |
| 2143* | 18 | Four Phase Clock Generator | 2.99 | [Order] | 2.84 | 2.56 | [Checkout] |
| XR2206 | 16 | Monolithic Function Generator | 2.99 | [Order] | 2.84 | 2.56 | [Checkout] |
| COM5016* | 18 | Baud Rate Generator | 15.99 | [Order] | 15.19 | 13.67 | [Checkout] |
| MM5321* | 16 | TV Camera Sync. Generator | 6.99 | [Order] | 6.64 | 5.98 | [Checkout] |
| MM5837* | 8 | Noise Generator | 7.99 | [Order] | 7.59 | 6.83 | [Checkout] |
| 8038CCPD | 14 | Precision Wave Form Generator | 3.29 | [Order] | 3.13 | 2.82 | [Checkout] |
| 8116 | 18 | Dual Baud Rate Clock Generator | 7.99 | [Order] | 7.59 | 6.83 | [Checkout] |
| 8224 | 16 | Clock Generator/Driver | 2.49 | [Order] | 2.37 | 2.13 | [Checkout] |
| MC14411 | 24 | Bit Rate Frequency Generator | 6.99 | [Order] | 6.64 | 5.98 | [Checkout] |
| 76477* | 16 | Complex Sound Generator | 19.99 | [Order] | 18.99 | 17.09 | [Checkout] |
| 76489* | 16 | Sound Generator Controller | 9.99 | [Order] | 9.54 | 8.54 | [Checkout] |
| AY3-8910 | 40 | Programmable Sound Generator with I/O | 6.99 | [Order] | 6.64 | 5.98 | [Checkout] |
| AY3-8912 | 28 | Programmable Sound Generator with I/O | 8.99 | [Order] | 8.54 | 7.69 | [Checkout] |
| AY3-8913 | 24 | Programmable Sound Generator | 8.99 | [Order] | 8.54 | 7.69 | [Checkout] |