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Infineon Technologies CY7C4225-10AXI — Memory (DRAM / SRAM / Flash / EEPROM)

CY7C4225-10AXI Cypress 18K Sync FIFO, 100 MHz, 8 ns, 64-LQFP

MPNCY7C4225-10AXI
Obsolete

Cypress CY7C4225-10AXI synchronous FIFO, 18K (1K x 18), 100 MHz data rate, 8 ns access time, 4.5 V ~ 5.5 V supply, -40°C ~ 85°C, 64-LQFP tray.

Infineon Technologies CY7C4225-10AXI datasheet (PDF)
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

CY7C4225-10AXI specifications
ParameterValue
SeriesCY7C
MountingSurface Mount
Expansion typeDepth, Width
Supply voltage4.5 V ~ 5.5 V
Current - supply50mA
Operating temperature-40°C ~ 85°C
PackageTray
FunctionSynchronous
Data rate100MHz
Access time8ns
Memory size18K (1K x 18)
FWFT supportNo
Case64-LQFP
Bus directionalUni-Directional
Retransmit capabilityYes
Programmable flags supportYes

Product details

100 MHz synchronous FIFO with 8 ns access time

The Cypress CY7C4225-10AXI is a synchronous FIFO memory from the CY7C series, organized as 1K x 18 bits (18K total). It clocks at 100 MHz and delivers an 8 ns access time.

For new designs, look at current-generation synchronous FIFOs from the same family or from vendors like IDT/Renesas or TI that offer pin-compatible or functionally equivalent parts in 64-LQFP.

5 V supply and industrial temperature — fit for legacy systems

Maximum supply current is 50 mA at 100 MHz.

Package and footprint: 64-LQFP (14x14 mm)

Housed in a 64-LQFP package with a 14x14 mm body. The supplier device package is 64-TQFP (14x14).

Frequently asked questions

What is the recommended replacement for CY7C4225-10AXI?

For a form-fit-function replacement, look at other Cypress CY7C series synchronous FIFOs with 1K x 18 depth and 100 MHz speed in 64-LQFP, or cross-reference to IDT72V series or SN74V series from TI. Verify pin compatibility and timing before substituting.

Does the CY7C4225-10AXI support FWFT (First Word Fall Through)?

No, the CY7C4225-10AXI does not support FWFT. It is a standard synchronous FIFO without first-word-fall-through mode. If FWFT is required for your application, look at the CY7C42X5V series or other FIFOs that explicitly list FWFT support.