1553BRT-EBR Datasheet, PDF (21/28 Pages) Actel Corporation – Core1553BRT-EBR Enhanced Bit Rate 1553 Remote Terminal

Core1553BRT-EBR Enhanced Bit Rate 1553 Remote Terminal
Memory Read Timing – Asynchronous Mode
CLK
ADDRLAT
MEMREQn
MEMGNTn
MEMCEN
MEMDEN
MEMCSn
MEMADDR
MEMOPER
MEMDATA
MEMRDn
MEMWAITn
Valid Address
Valid Operation
Data
Figure 12 • Memory Read Timing – Asynchronous Mode
Memory Read Timing
Table 15 • Memory Read Timing
Async Mode
Description
T_pwRD
T_pdGNT
T_suADDR
T_hdADDR
T_suWAIT
T_suDATA
Read pulse width (no wait states)
Maximum delay from MEMREQn to MEMGNTn active
Address setup time to MEMRDn low
Address hold time from MEMRDn high
Wait setup to rising clock edge
Data setup time to MEMRDn high
Time
1 clock cycle
1.2 µs
1 clock cycle
1 clock cycle
Advanced v1.1
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