IDT72511/IDT72521
BIDIRECTIONAL FIRST-IN FIRST-OUT MEMORY
WRITE
MILITARY AND COMMERCIAL TEMPERATURE RANGES
(R/WB)
tb WC
WB
(or DSB)
tb WPW
tbWR
tbS
tbH
Input
DB0–DB8
NOTE:
1. RB = 1
tb DS
tb DH
READ
(R/WB)
RB
(or DSB)
Output
DB0–DB8
NOTE:
1. WB = 1
tb RC
tb RPW
tbS
tbRR
tb LZ
tbA
tb DV
tb HZ
tbH
2668 drw 14
Figure 13. Port B Read and Write Timing, Processor Interface Mode Only
5.32
20