256Kbit NVSRAM with 45ns access time, organized as 32Kx8 with an 8-bit parallel interface. This surface-mount integrated circuit operates from a 4.5V to 5.5V supply, drawing a maximum of 52mA. Encased in a 44-pin TSOP-II package with gull-wing leads, it measures 18.52mm x 10.26mm x 1.04mm and operates across a -40°C to 85°C temperature range.
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Cypress CY14E256LA-ZS45XI technical specifications.
| Basic Package Type | Lead-Frame SMT |
| Package Family Name | SOP |
| Package/Case | TSOP-II |
| Package Description | Thin Small Outline Package (Type II) |
| Lead Shape | Gull-wing |
| Pin Count | 44 |
| PCB | 44 |
| Package Length (mm) | 18.52(Max) |
| Package Width (mm) | 10.26(Max) |
| Package Height (mm) | 1.04(Max) |
| Seated Plane Height (mm) | 1.19(Max) |
| Pin Pitch (mm) | 0.8 |
| Package Material | Plastic |
| Mounting | Surface Mount |
| Density | 256Kbit |
| Type | NVSRAM |
| Maximum Access Time | 45ns |
| Density in Bits | 262144bit |
| Maximum Operating Current | 52mA |
| Organization | 32Kx8 |
| Data Bus Width | 8bit |
| Interface Type | Parallel |
| Typical Operating Supply Voltage | 5V |
| Min Operating Supply Voltage | 4.5V |
| Max Operating Supply Voltage | 5.5V |
| Min Operating Temperature | -40°C |
| Max Operating Temperature | 85°C |
| Cage Code | 65786 |
| EU RoHS | Yes |
| HTS Code | 8542320041 |
| Schedule B | 8542320040 |
| ECCN | EAR99 |
| Automotive | No |
| AEC Qualified | No |
| PPAP | No |
| Radiation Hardening | No |
| RoHS Versions | 2011/65/EU, 2015/863 |
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