The Cypress CY7C1399B-12ZXCT is a 256 Kbit asynchronous SRAM organized as 32K x 8, with a 12 ns access time.
The supply channel for this line is independent distribution — surplus, new-old-stock, or broker-held inventory.
Cypress CY7C1399B-12ZXCT 256Kbit Asynchronous SRAM, 12 ns
MPNCY7C1399B-12ZXCT
Obsolete
Cypress CY7C1399B-12ZXCT, 256Kbit Asynchronous SRAM, 32K x 8 organization, 12 ns access time, Parallel interface, 3V to 3.6V supply, 0°C to 70°C, 28-TSOP I package, Tape & Reel.
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Memory type | Volatile |
| Mounting | Surface Mount |
| Supply voltage | 3V ~ 3.6V |
| Memory interface | Parallel |
| Operating temperature | 0°C ~ 70°C (TA) |
| Package | Tape & Reel (TR) |
| Technology | SRAM - Asynchronous |
| Access time | 12 ns |
| Memory size | 256Kbit |
| Memory format | SRAM |
| Case | 28-TSSOP (0.465\", 11.80mm Width) |
| Memory organization | 32K x 8 |
| Write cycle time - word, page | 12ns |
Product details
Frequently asked questions
Is CY7C1399B-12ZXCT obsolete?
Determines if part is still available or needs a replacement.
What is the replacement for CY7C1399B-12ZXCT?
Critical for design or repair when original is not available.
Where can I buy CY7C1399B-12ZXCT in stock?
Source for immediate procurement despite obsolescence.
What is the pinout of CY7C1399B-12ZXCT?
Needed for circuit board design and validation.
What is the price of CY7C1399B-12ZXCT?
Essential for budget and BOM cost estimation.
Does CY7C1399B-12ZXCT have RoHS compliance?
Required for regulatory compliance in many markets.