Lattice Semiconductor Corporation GAL® 16V8 series EE PLD, GAL16V8Z-12QP, 12 ns speed, 8 macrocells, 20-DIP through-hole, 4.75V~5.25V supply.
| Parameter | Value |
|---|---|
| Series | GAL® 16V8 |
| Mounting | Through Hole |
| Programmable type | EE PLD |
| Voltage - input | 4.75V ~ 5.25V |
| Speed | 12 ns |
| Package | Bulk |
| Case | 20-DIP (0.300\", 7.62mm) |
| Number of macrocells | 8 |
The GAL16V8Z-12QP: The 12 ns propagation delay sets the maximum combinational logic path the part can close — a signal through the device takes up to 12 ns from input to registered output, which governs the clock rate the rest of the board can run. Eight macrocells give the logic capacity for glue-logic consolidation: address decoding, state machines, or bus-interface translation in a single 20-pin DIP.
The GAL16V8ZD-15QP is the closest peer: same GAL® 16V8 series, same 20-DIP through-hole package, same 8 macrocells and 5 V supply, but with a 15 ns speed grade instead of 12 ns. It drops into the same socket without rewiring, though the slower propagation delay may shift timing closure in the logic path.
The listed propagation delay is 12 ns — the maximum time from a registered input to the output, which sets the combinational logic path timing budget for the design.