CY7C4251-10AXI Cypress Semiconductor Corp, CY7C4251-10AXI Datasheet - Page 2

• Manufacturer Part Number: CY7C4251-10AXI
• Description: IC SYNC FIFO MEM 8KX9 32-TQFP
• Manufacturer: Cypress Semiconductor Corp
• Series: CY7Cr

Specifications of CY7C4251-10AXI

• Function: Synchronous
• Memory Size: 72K (8K x 9)
• Data Rate: 100MHz
• Access Time: 8ns
• Voltage - Supply: 3.3V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-TQFP
• Configuration: Dual
• Density: 64Kb
• Access Time (max): 8ns
• Word Size: 9b
• Organization: 8Kx9
• Sync/async: Synchronous
• Expandable: Yes
• Bus Direction: Uni-Directional
• Clock Freq (max): 100MHz
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Supply Current: 40mA
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 32
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Contents
Features .............................................................................. 1
Functional Description ...................................................... 1
Logic Block Diagram ......................................................... 1
Contents ............................................................................. 2
Selection Guide ................................................................. 3
Pin Configuration .............................................................. 3
Functional Description ...................................................... 5
Architecture ....................................................................... 5
Resetting the FIFO ............................................................. 5
FIFO Operation .................................................................. 5
Programming ..................................................................... 5
Width Expansion Configuration ....................................... 8
Flag Operation ................................................................... 8
Maximum Ratings
Document #: 38-06016 Rev. *D
Programmable Flag (PAE, PAF) Operation ................. 7
Full Flag ........................................................................ 8
Empty Flag ................................................................... 8
[4]
........................................................... 9
Operating Range ................................................................ 9
Electrical Characteristics Over the Operating Range ...... 9
Capacitance[9] ................................................................... 9
Switching Characteristics Over the Operating Range .. 10
Switching Waveforms ...................................................... 11
Typical AC and DC Characteristics ................................ 17
Package Diagrams ............................................................ 19
Document History Page ................................................... 20
Sales, Solutions, and Legal Information ........................ 20
256 x 9 Synchronous FIFO ......................................... 18
1K x 9 Synchronous FIFO ........................................... 18
2K x 9 Synchronous FIFO ........................................... 18
4K x 9 Synchronous FIFO ........................................... 18
8K x 9 Synchronous FIFO ........................................... 18
Worldwide Sales and Design Support ......................... 20
Products ...................................................................... 20
PSoC Solutions ...........................................................20
CY7C4421/4201/4211/4221
CY7C4231/4241/4251
Page 2 of 20
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