EP20K200EQC240-1X Altera, EP20K200EQC240-1X Datasheet - Page 31
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EP20K200EQC240-1X
Manufacturer Part Number
EP20K200EQC240-1X
Description
APEX 20KE
Manufacturer
Altera
Datasheet
1.EP20K200EQC240-1X.pdf
(117 pages)
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Part Number:
EP20K200EQC240-1X
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ALTERA
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Part Number:
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Figure 18. Deep Memory Block Implemented with Multiple ESBs
The ESB implements two forms of dual-port memory: read/write clock
mode and input/output clock mode. The ESB can also be used for
bidirectional, dual-port memory applications in which two ports read or
write simultaneously. To implement this type of dual-port memory, two
or four ESBs are used to support two simultaneous reads or writes. This
functionality is shown in
Figure 19. APEX 20K ESB Implementing Dual-Port RAM
Clock A
APEX 20K Programmable Logic Device Family Data Sheet
ESB
ESB
ESB
Address Decoder
address_a[]
data_a[]
we_a
clkena_a
Figure
Port A
19.
address_b[]
clkena_b
Port B
data_b[]
we_b
to System Logic
Clock B
31