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CY7C460A/CY7C462A
CY7C464A/CY7C466A
Document #: 38-06011 Rev. *A
Page 6 of 15
Notes:
11.
tRTC = tPRT + tRTR.
12. EF, HF, and FF may change state during retransmit as a result of the offset of the read and write pointers, but flags will be valid at tRTC, except for the
CY7C46x-20 (Military), whose flags will be valid after tRTC + 10 ns.
Switching Waveforms[7] (continued)
Last Write to First Read Full Flag
C460A–10
LAST WRITE
FIRST READ
ADDITIONAL
READS
FIRST WRITE
tWFF
tRFF
R
W
FF
Last READ to First WRITE Empty Flag
C460A–11
VALID
LAST READ
FIRST WRITE
ADDITIONAL
WRITES
FIRST READ
VALID
tREF
tWEF
tA
W
R
EF
DATA OUT
Retransmit
C460A–12
tRTC
tPRT
tRTR
FL/RT
R,W
tRTC
tRTR
[11,12]
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