Real Time Clock 64K (8Kx8) 70ns
| CNHTS | 8542319090 |
| CAHTS | 8542390000 |
| USHTS | 8542320041 |
| JPHTS | 8542390990 |
| TARIC | 8542399000 |
| MXHTS | 85423999 |
| ECCN | EAR99 |