Asynchronous FIFO memory, 512 words x 9 bits, offering 4.5Kb density with a 20ns access time. This CMOS component features a unidirectional data bus and parallel port type, operating at a maximum frequency of 33.3MHz. Packaged in a 32-lead PLCC with tin, matte contact plating, it supports surface mounting and is lead-free and RoHS compliant.
Frequency33.3MHz
PackagePLCC
Current55mA
MountingSurface Mount
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Technical Specifications
Cypress CY7C421-20JXC technical specifications.
General
Access Time
20ns
Access Time-Max
20ns
Bus Directional
Unidirectional
Package/Case
PLCC
Contact Plating
Tin, Matte
Data Bus Width
9b
Density
4.5Kb
Direction
Unidirectional
Frequency
33.3MHz
FWFT Support
No
Height
2.67mm
JESD-30 Code
R-PQCC-J32
Lead Free
Lead Free
Length
0.55mm
Max Operating Temperature
70°C
Min Operating Temperature
0°C
Max Supply Current
55mA
Max Supply Voltage
5.5V
Memory Size
4.5Kb
Memory Width
9
Min Supply Voltage
4.5V
Moisture Sensitivity Level
3
Mount
Surface Mount
Number of Circuits
2
Number of Functions
1
Number of Words
512
Operating Supply Voltage
5V
Organization
512X9
Output Enable
No
Package Body Material
Plastic
Package Quantity
30
Package Shape
Rectangular
Packaging
Rail/Tube
Peak Reflow Temperature (Cel)
260°C
Port Type
PARALLEL
Programmable Flags Support
No
Radiation Hardening
No
Reach SVHC Compliant
No
Retransmit Capability
Yes
RoHS Compliant
Yes
Series
CY7C
Supply Current
55mA
Supply Voltage-Nom
5V
Surface Mount
Yes
Sync/Async
Asynchronous
Technology
CMOS
Temperature Grade
COMMERCIAL
Terminal Finish
Tin
Terminal Form
J BEND
Terminal Position
QUAD
Time @ Peak Reflow Temperature-Max (s)
20s
Width
11.5mm
Word Size
9b
Compliance
RoHS
Compliant
Datasheet
Cypress CY7C421-20JXC Datasheet
Download the complete datasheet for Cypress CY7C421-20JXC to view detailed technical specifications.
This datasheet cannot be embedded due to technical restrictions.
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