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Infineon Technologies CY7C429-10AXCT — Memory (DRAM / SRAM / Flash / EEPROM)

Cypress CY7C429-10AXCT Asynchronous FIFO, 10ns Access, 32-TQFP

MPNCY7C429-10AXCT
Obsolete

Cypress CY7C429-10AXCT, CY7C series, 2K×9 asynchronous FIFO, 50 MHz data rate, 10 ns access time, 4.5–5.5 V supply, 85 mA max current, uni-directional bus, retransmit capability, 32-TQFP (7×7 mm) surface mount, 0°C–70°C operating temperature, Tape & Reel.

Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

CY7C429-10AXCT specifications
ParameterValue
SeriesCY7C
MountingSurface Mount
Expansion typeDepth, Width
Supply voltage4.5 V ~ 5.5 V
Current - supply85mA
Operating temperature0°C~70°C
PackageTape & Reel (TR)
FunctionAsynchronous
Data rate50MHz
Access time10ns
Memory size18K (2K x 9)
FWFT supportNo
Case32-TQFP
Bus directionalUni-Directional
Retransmit capabilityYes
Programmable flags supportNo

Product details

The CY7C429-10AXCT is a 2K×9 asynchronous FIFO from the CY7C series, with a 50 MHz data rate and 10 ns access time.

The CY7C429-10AXCT is obsolete per the manufacturer lifecycle record. No official successor is listed.

This limits the part to indoor, climate-controlled equipment — office networking, telecom central office, test equipment, or consumer electronics. Not qualified for automotive under-hood or industrial outdoor enclosures without additional screening.

Frequently asked questions

Is CY7C429-10AXCT obsolete?

Yes, the CY7C429-10AXCT is officially obsolete per the manufacturer lifecycle record.

What is the replacement or equivalent for CY7C429-10AXCT?

No official replacement or equivalent part number is listed in the lifecycle record. The part is sourced through surplus or independent distribution channels.

What is the difference between CY7C429-10AXCT and CY7C429-10AXI?

The CY7C429-10AXI variant typically indicates an industrial temperature range (-40°C to 85°C), while the CY7C429-10AXCT is commercial temperature (0°C to 70°C). Both share the same 10 ns access time and 2K×9 FIFO architecture.

What are the key ratings of CY7C429-10AXCT?

Key ratings include 2K×9 asynchronous FIFO, 50 MHz data rate, 10 ns access time, 4.5 V to 5.5 V supply, 85 mA max supply current, and 0°C to 70°C operating temperature in a 32-TQFP package.