CY7C421-20JXC Cypress Semiconductor Corp, CY7C421-20JXC Datasheet - Page 9

• 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

Switching Waveforms
Document #: 38-06001 Rev. *C
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
CY7C419/21/25/29/33
Page 9 of 17
[+] Feedback