CY7C421-20JXC Cypress Semiconductor Corp, CY7C421-20JXC Datasheet - Page 11
![IC ASYNC FIFO MEM 512X9 32-PLCC](/photos/6/51/65138/428-32-plcc_sml.jpg)
CY7C421-20JXC
Manufacturer Part Number
CY7C421-20JXC
Description
IC ASYNC FIFO MEM 512X9 32-PLCC
Manufacturer
Cypress Semiconductor Corp
Series
CY7Cr
Specifications of CY7C421-20JXC
Access Time
10ns
Memory Size
4.6K (512 x 9)
Package / Case
32-PLCC
Function
Asynchronous
Data Rate
50MHz
Voltage - Supply
3.3V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Number Of Circuits
2
Data Bus Width
9 bit
Bus Direction
Unidirectional
Timing Type
Asynchronous
Organization
512 K x 9
Supply Voltage (max)
5.5 V
Supply Voltage (min)
4.5 V
Maximum Operating Current
55 mA
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Mounting Style
SMD/SMT
Configuration
Dual
Density
4.5Kb
Access Time (max)
20ns
Word Size
9b
Sync/async
Asynchronous
Expandable
Yes
Package Type
PLCC
Clock Freq (max)
Not RequiredMHz
Operating Supply Voltage (typ)
5V
Operating Supply Voltage (min)
4.5V
Operating Supply Voltage (max)
5.5V
Supply Current
55mA
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
32
Rohs Compliant
YES
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
428-2911-5
CY7C421-20JXC
CY7C421-20JXC
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
CY7C421-20JXC
Manufacturer:
Cypress Semiconductor Corp
Quantity:
10 000
Part Number:
CY7C421-20JXC
Manufacturer:
CYPRESS/赛普拉斯
Quantity:
20 000
Company:
Part Number:
CY7C421-20JXCT
Manufacturer:
Cypress Semiconductor Corp
Quantity:
10 000
Switching Waveforms
Document #: 38-06001 Rev. *F
DATA OUT
DATA OUT
DATA IN
DATA IN
EF
FF
W
W
R
R
t
A
(continued)
Figure 10. Empty Flag and Read Data Flow-through Mode
Figure 11. Full Flag and Write Data Flow-through Mode
DATA VALID
t
WEF
t
t
RFF
t
WAF
RAE
t
HWZ
t
REF
t
WFF
t
WPF
t
DATA VALID
t
A
RPE
DATA VALID
t
SD
t
HD
CY7C421
Page 11 of 21
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