| | | 12 MHz Osclllator | VarIable Osclllator | |
| Symbol | Parameter | Mln | Max | Mln | Max | Units |
| 1/TCLCL | Oscillator Frequency | | | 3.5 | 12O | MHz |
| TLHLL | ALE Pulse Width | 127 | | 2TCLCL-40 | | ns |
| | Address Vahd to ALE Low | 43 | | TCLCL-40 | | ns |
| TLLAX | Address Hold after ALE Low | 48 | | 1LCL-35 | | -ns |
| TLLIV | ALE Low to Valid Instr In 8751H All Others | | 183 233 | | 4TCLCL-150 4TCLCL-100 | ns ns |
| TLLPL | ALE Low to PSEN Low | 58 | | TCLCL-25 | | ns |
| TPLPH | PSEN Pulse Width 8751H All Others | 190 215 | | 3TCLCL-60 3TCLCL-35 | | ns ns |
| TPLIV | PSEN Low to Valid Instrln 8751H All Others | | 100 125 | | 3TCLCL-150 3TCLCL-125 | ns ns |
| TPXIX | Inputlnstr Hold after PSEN | O | | 0 | | ns |
| TPXIZ | Input Instr Float after PSEN | | 63 | | TCLCL-20 | ns |
| TPXAV | PSEN to Address Valid | 75 | | TCLCL-8 | | ns |
| TAVIV | Address to Valid Instrln 8751H All Others | | 267 302 | | 5TCLCL-150 5TCLCL-115 | ns ns |
| TPLAZ | PSEN Low to Address Float | | 20 | | 20 | ns |
| TRLRH | RD PuFse Width | 400 | | 6TCLCL-100 | | ns |
| TWLWH | WR Pulse Width | 400 | | 6TCLCL-100 | | ns |
| TRLDV | RD Low to Valid Dataln | | 252 | | 5TCLCL-165 | ns |
| TRHDX | Data Hold after RD | O | | 0 | | ns |
| TRHDZ | Data Ftoat after RD | | 97 | | 2TCLCL-70 | ns |
| TLLDV | .ALE Low to Valid Data tn | | 517 | | 8TCLCL-150 | ns |
| TAVDV | Address to Valid Dataln | | 585 | | 9TCLCL-165 | ns |
| TLLWL | ALE Low to RD or WR Low | 200 | 300 | 3TCLCL-50 | 3TCLCL+50 | ns |
| TAVWL | Address to RD or WR Low | 203 | | 4TCLCL-130 | | ns |
| TQVWX | Data Valid to WR Transition 8751H All Others | 13 23 | | TCLCL-70 TCLCL-60 | | ns ns |
| TQVWH | Data Valid to WR High | 433 | | 7TCLCL- t50 | | ns |
| TWHQX | Data Hold after WR | 83 | | TCLCL-50 | | ns |
| TRLAZ | RD Low to Address Float | | 20 | | 26 | ns |
| TWHLH | RD or WR High to ALE High 8751H All Others . | 33 43 | 133 123 | TCLCL-50 TCLCL-40 | TCLCL+50 TCLCL+40 | ns ns |
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