15 ns access time — what it means for the bus
The 15 ns access time sets the window from address valid to data valid on a read cycle. The write cycle time matches at 15 ns.
Infineon CY7C1041B-15ZC 4Mbit Async SRAM, 15 ns
MPNCY7C1041B-15ZC
Obsolete
Infineon CY7C1041B-15ZC, 4Mbit asynchronous SRAM, 256K x 16 organization, 15 ns access time, 4.5V–5.5V supply, 44-TSOP II, commercial temperature 0°C to 70°C, tray.
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Memory type | Volatile |
| Mounting | Surface Mount |
| Supply voltage | 4.5V ~ 5.5V |
| Memory interface | Parallel |
| Operating temperature | 0°C~70°C(TA) |
| Package | Tray |
| Technology | SRAM - Asynchronous |
| Access time | 15 ns |
| Memory size | 4Mbit |
| Memory format | SRAM |
| Case | 44-TSOP (0.400\", 10.16mm Width) |
| Memory organization | 256K x 16 |
| Write cycle time - word, page | 15ns |
Product details
Frequently asked questions
What is the access time of CY7C1041B-15ZC?
The access time is 15 ns, which also matches the write cycle time for word and page operations.
Can I use CY7C1041B-15ZC in a 5V system?
Yes, the CY7C1041B-15ZC is designed for a 4.5V to 5.5V supply, making it a native 5V part suitable for legacy 5V bus systems.