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CY14B104NA-ZS20XI Datasheet(PDF) 1 Page - Cypress Semiconductor |
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CY14B104NA-ZS20XI Datasheet(HTML) 1 Page - Cypress Semiconductor |
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1 / 24 page  CY14B104LA, CY14B104NA 4-Mbit (512 K × 8/256 K × 16) nvSRAM Cypress Semiconductor Corporation • 198 Champion Court • San Jose , CA 95134-1709 • 408-943-2600 Document #: 001-49918 Rev. *H Revised January 18, 2011 Features ■ 20 ns, 25 ns, and 45 ns access times ■ Internally organized as 512 K × 8 (CY14B104LA) or 256 K × 16 (CY14B104NA) ■ Hands off automatic STORE on power-down with only a small capacitor ■ STORE to QuantumTrap nonvolatile elements initiated by software, device pin, or AutoStore on power-down ■ RECALL to SRAM initiated by software or power-up ■ Infinite read, write, and recall cycles ■ 1 million STORE cycles to QuantumTrap ■ 20 year data retention ■ Single 3 V +20%, -10% operation ■ Industrial temperature ■ Packages ❐ 44-/54-pin thin small outline package (TSOP II) ❐ 48-ball fine-pitch ball grid array (FBGA) ■ Pb-free and restriction of hazardous substances (RoHS) compliant Functional Description The Cypress CY14B104LA/CY14B104NA is a fast static RAM (SRAM), with a nonvolatile element in each memory cell. The memory is organized as 512 K bytes of 8 bits each or 256 K words of 16 bits each. The embedded nonvolatile elements incorporate QuantumTrap technology, producing the world’s most reliable nonvolatile memory. The SRAM provides infinite read and write cycles, while independent nonvolatile data resides in the highly reliable QuantumTrap cell. Data transfers from the SRAM to the nonvolatile elements (the STORE operation) takes place automatically at power-down. On power-up, data is restored to the SRAM (the RECALL operation) from the nonvolatile memory. Both the STORE and RECALL operations are also available under software control. Logic Block Diagram[1, 2, 3] Notes 1. Address A0 - A18 for ×8 configuration and Address A0 - A17 for ×16 configuration. 2. Data DQ0 - DQ7 for ×8 configuration and Data DQ0 - DQ15 for ×16 configuration. 3. BHE and BLE are applicable for ×16 configuration only. [+] Feedback [+] Feedback |
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