Click to expand full text
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 DQ
CY14B104M Datasheet
