Zilog Z80230 - Manual (Page 227)

SCC/ESCC
User Manual
UM010903-0515 Application Notes
220
Z180 I/O Write Cycle Timing
Z8018010 Timing Parameters for I/O Cycle (Worst Case)
Sr. No Symbol Parameter Min Max Units
1 tcyc Clock Cycle Period 100 ns
2 tCHW Clock Cycle High Width 40 ns
3 tCLW Clock Cycle Low Width 40 ns
4 tcf Clock Fall Time 10 ns
6 tAD Clock High to Address Valid 70 ns
9 tRDD1 Clock High to /RD Low IOC=0 55 ns
11 tAH Address Hold Time 10 ns
13 tRDD2 Clock Low to /RD High 50 ns
15 tDRS Data to Clock Setup 25 ns