CY7C429-20PI Cypress Semiconductor Corp, CY7C429-20PI Datasheet - Page 8

• Manufacturer Part Number: CY7C429-20PI
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C429-20PI

• Lead Free Status / Rohs Status: Not Compliant

Switching Waveforms
Document #: 38-06001 Rev. *D
Notes
12. EF, HF and FF may change state during retransmit as a result of the offset of the read and write pointers, but flags are valid at t
13. t
DATA OUT
RTC
FL/RT
= t
R,W
PRT
FF
EF
W
W
R
R
+ t
RTR
.
t
t
REF
WFF
LAST WRITE
LAST READ
t
A
VALID
(continued)
Figure 8. Last Read to First Write Empty Flag
Figure 7. Last Write to First Read Full Flag
t
PRT
t
RTC
[13]
FIRST WRITE
FIRST READ
Figure 9. Retransmit
t
t
WEF
RFF
t
RTR
ADDITIONAL
ADDITIONAL
WRITES
READS
[12]
FIRST WRITE
FIRST READ
CY7C419/21/25/29/33
VALID
RTC
.
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