CY14B104K

CY14B104K/CY14B104M 4-Mbit (512 K × 8/256 K × 16) nvSRAM with Real Time Clock 4-Mbit (512 K × 8/256 K × 16) nvSRAM with Real Time Clock Features ■ 25 ns and 45 ns access times ■ Internally organized as 512 K × 8 (CY14B104K) or 256 K × 16 (CY14B104M) ■ Hands off automatic STORE on power-down with only a small capacitor ■ STORE to QuantumTrap nonvolatile elements is initiated by software, device pin, or AutoStore on power-down ■ RECALL to SRAM is initiated by software or power-up ■ High reliability ■ Infinite read, write, and RECALL cycles ■ 1 million STORE cycles to QuantumTrap ■ 20 year data retention ■ Single 3 V +20%, –10% operation ■ Data integrity of Cypress nvSRAM combined with full-featured real time clock (RTC) Logic Block A0 A1 A2 A3 A4 A5 A6 A7 A8 A17 A18 DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DQ8 DQ9 DQ10 DQ11 DQ12 DQ13 DQ14 DQ15 Quatrum Trap 2048 X 2048 R O STORE W RECALL D E STATIC RAM C ARRAY O 2048 X 2048 D E R I N P U T B COLUMN I/O U F F E R C...