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

• 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

Document History Page
Document #: 38-06001 Rev. *F
Document Title: CY7C421 256/512/1K/2K/4Kx9 Asynchronous FIFO
Document Number: 38-06001
Rev.
*C
*D
*A
*B
*E
*F
**
ECN No.
106462
122332
383597
2623658
2714768
2896039
3110157
VKN/PYRS
VKN/AESA
Orig. of
Change
RAME
ADMU
PCX
SZV
RBI
Submission
06/04/2009
03/19/2010
12/14/2010
See ECN
12/30/02
12/17/08
07/11/01
Date
Description of Change
Change from Spec Number: 38-00079 to 38-06001
Added power up requirements to maximum ratings information.
Added Pb-Free Logo
Added to Part-Ordering Information:
CY7C419–10JXC, CY7C419–15JXC, CY7C419-15VXC,
CY7C421–10JXC, CY7C421–15AXC, CY7C421–20JXC,
CY7C421–20VXC, CY7C425–10AXC, CY7C425–10JXC,
CY7C425–15JXC, CY7C425–20JXC, CY7C425–20VXC,
CY7C429–10AXC, CY7C429–15JXC, CY7C429–20JXC,
CY7C433–10AXC, CY7C433–10JXC, CY7C433–15JXC,
CY7C433–20AXC, CY7C433–20JXC
Added CY7C421-20JXI
Removed CY7C419/25/29/33 from the ordering information table
Removed 26-Lead CerDIP, 32-Lead RLCC, 28-Lead molded DIP
packages from the data sheet
Removed Military Information
Corrected defective Logic Block diagram, Pinouts, and Package diagrams
Added Contents.
Removed inactive parts from the data sheet.
Updated all package diagrams.
Updated links in Sales, Solutions, and Legal Information
Added
Ordering Code
Definitions.
CY7C421
Page 20 of 21
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