CY7C429-10AC Cypress Semiconductor Corp, CY7C429-10AC Datasheet - Page 8
![](/photos/31/27/312721/42832tqfp_sml.jpg)
CY7C429-10AC
Manufacturer Part Number
CY7C429-10AC
Description
Manufacturer
Cypress Semiconductor Corp
Datasheet
1.CY7C429-10AC.pdf
(16 pages)
Specifications of CY7C429-10AC
Configuration
Dual
Density
18Kb
Access Time (max)
10ns
Word Size
9b
Organization
2Kx9
Sync/async
Asynchronous
Expandable
Yes
Bus Direction
Uni-Directional
Package Type
TQFP
Clock Freq (max)
Not RequiredMHz
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
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
.
Page 8 of 16
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