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Infineon Technologies CY7C1399B-15ZXC — Memory (DRAM / SRAM / Flash / EEPROM)

Infineon CY7C1399B-15ZXC SRAM, 256Kbit, 15 ns, 28-TSSOP

MPNCY7C1399B-15ZXC
Obsolete

Infineon CY7C1399B-15ZXC, asynchronous SRAM, 256Kbit (32K x 8), 15 ns access time, parallel interface, 3V to 3.6V supply, 28-TSSOP (0.465", 11.80mm Width), 0°C to 70°C operating temperature.

$1.3300Ref. price · indicative, final on quote
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

CY7C1399B-15ZXC specifications
ParameterValue
Memory typeVolatile
MountingSurface Mount
Supply voltage3V ~ 3.6V
Memory interfaceParallel
Operating temperature0°C ~ 70°C (TA)
PackageTray
TechnologySRAM - Asynchronous
Access time15 ns
Memory size256Kbit
Memory formatSRAM
Case28-TSSOP (0.465\", 11.80mm Width)
Memory organization32K x 8
Write cycle time - word, page15ns

Product details

256Kbit asynchronous SRAM — 15 ns access, 3.3 V, commercial temp

The Infineon CY7C1399B-15ZXC is a 256Kbit asynchronous SRAM organized as 32K x 8 bits, with a 15 ns access time and a parallel interface. It operates from a 3V to 3.6V supply and is rated for 0°C to 70°C.

Write cycle time matches at 15 ns.

Frequently asked questions

Who supplies CY7C1399B-15ZXC and how is it quoted for volume purchases?

We supply the CY7C1399B-15ZXC through our independent distribution network. It is quoted to order against an RFQ — availability and current pricing are confirmed at quote time. No minimum order quantity is stated; volume inquiries are welcome.

What is the closest pin-compatible alternative to CY7C1399B-15ZXC?

No official pin-compatible successor is listed by Infineon. Any replacement would require a board spin or a validated second-source qualification. For legacy repairs, sourcing the exact CY7C1399B-15ZXC through independent channels is the recommended path.

What is CY7C1399B-15ZXC's listed package?

The package is a 28-TSSOP (0.465", 11.80mm Width), surface-mount, supplied in Tray. The supplier device package is 28-TSOP I.

What is CY7C1399B-15ZXC's technology?

It is an asynchronous SRAM — volatile memory with a parallel interface, organized as 32K x 8 bits.