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| Part Number | CY7C1021B-15ZXET | CY7C1021B-15ZXIT | CY7C1021B-15VXET | CY7C1021B-15ZXCT | CY7C1021B-15ZXE |
|---|---|---|---|---|---|
| Manufacturer | Cypress Semiconductor Corp | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Memory Type | Volatile | Volatile | Volatile | Volatile | Volatile |
| Memory Format | SRAM | SRAM | SRAM | SRAM | SRAM |
| Technology | SRAM - Asynchronous | SRAM - Asynchronous | SRAM - Asynchronous | SRAM - Asynchronous | SRAM - Asynchronous |
| Memory Size | 1Mb (64K x 16) | 1Mb (64K x 16) | 1Mb (64K x 16) | 1Mb (64K x 16) | 1Mb (64K x 16) |
| Memory Interface | Parallel | Parallel | Parallel | Parallel | Parallel |
| Clock Frequency | - | - | - | - | - |
| Write Cycle Time - Word, Page | 15ns | 15ns | 15ns | 15ns | 15ns |
| Access Time | 15 ns | 15 ns | 15 ns | 15 ns | 15 ns |
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 125°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TA) | 0°C ~ 70°C (TA) | -40°C ~ 125°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 44-TSOP (0.400", 10.16mm Width) | 44-TSOP (0.400", 10.16mm Width) | 44-BSOJ (0.400", 10.16mm Width) | 44-TSOP (0.400", 10.16mm Width) | 44-TSOP (0.400", 10.16mm Width) |
| Supplier Device Package | 44-TSOP II | 44-TSOP II | 44-SOJ | 44-TSOP II | 44-TSOP II |
