CY7C429-40AC Cypress Semiconductor Corp, CY7C429-40AC Datasheet - Page 9

• Manufacturer Part Number: CY7C429-40AC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C429-40AC

• Density: 16Kb
• Word Size: 9b
• Sync/async: Asynchronous
• Expandable: Yes
• Package Type: TQFP
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 32
• Lead Free Status / Rohs Status: Not Compliant

Document #: 38-06001 Rev. *B
Switching Waveforms
Last Write to First Read Full Flag
Last Read to First Write Empty Flag
Retransmit
Notes:
13. 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 t
14. t
DATA OUT
RTC
= t
FL/RT
PRT
R,W
FF
EF
W
W
R
R
[13]
+ t
RTR
.
t
t
REF
WFF
LAST WRITE
LAST READ
t
A
(continued)
VALID
t
PRT
t
RTC
[14]
FIRST WRITE
FIRST READ
t
t
WEF
RFF
t
RTR
ADDITIONAL
ADDITIONAL
WRITES
READS
FIRST WRITE
FIRST READ
CY7C419/21/25/29/33
VALID
RTC
.
Page 9 of 25
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