W65C22S Datasheet, PDF (39/46 Pages) List of Unclassifed Manufacturers – Versatile Interface Adapter (VIA)

The Western Design Center, Inc.
3.4 Timing Diagrams.
Note: Measurement points are at 50% of VDD unless otherwise specified.
tCYC
PHI2
ADDRESS
CS, RS, ETC
R/WB
tPWH
tACR tCAR
tR
tPWL
tPCR
PERIPHERAL DATA
CA1, CB2
DATA BUS
tCDR
tHR
PHI2
ADDRESS
CS, RS, ETC
R/WB
PERIPHERAL DATA
CA1, CB2
DATA BUS
Figure 3-2 Read Timing
tCYC
tPWH
tR
tACW tCAW
tPWL
tPCW
tCDW
tHW
W65C22S Data Sheet
tF
tF
Figure 3-3 Write Timing
The Western Design Center
W65C22S
39