CY7C421-15JC Cypress Semiconductor Corp, CY7C421-15JC Datasheet - Page 8
![IC ASYN FIFO MEM 512X9 32-PLCC](/photos/6/51/65138/428-32-plcc_sml.jpg)
CY7C421-15JC
Manufacturer Part Number
CY7C421-15JC
Description
IC ASYN FIFO MEM 512X9 32-PLCC
Manufacturer
Cypress Semiconductor Corp
Series
CY7Cr
Datasheet
1.CY7C421-20JXC.pdf
(17 pages)
Specifications of CY7C421-15JC
Density
4Kb
Word Size
9b
Sync/async
Asynchronous
Expandable
Yes
Package Type
LCC
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
Function
Asynchronous
Memory Size
4.6K (512 x 9)
Data Rate
50MHz
Access Time
10ns
Voltage - Supply
3.3V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
32-PLCC
Lead Free Status / RoHS Status
Not Compliant
Other names
428-1209
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
CY7C421-15JC
Manufacturer:
CYPRESS
Quantity:
13 888
Switching Waveforms
Document #: 38-06001 Rev. *C
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
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
[14]
FIRST WRITE
FIRST READ
Figure 9. Retransmit
t
t
WEF
RFF
t
RTR
ADDITIONAL
ADDITIONAL
WRITES
READS
[13]
FIRST WRITE
FIRST READ
CY7C419/21/25/29/33
VALID
RTC
.
Page 8 of 17
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