Oki MSM85C154HVS - Page 134

INTERNAL SPECIFICATIONS
127
RXD TXD OUTPUT CONTROL INPUT CONTROL
INPUT OUTPUT
74LS165 OUTPUT MSM80C154S/MSM83C154S OUTPUT
In all examples, additional multiple bit I/O extension is made possible by multiple cascade
connections of 74LS164 or 74LS165.
Figure 4-42 lnput/output extension example timing chart