MAX16016 PDF Datasheet


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Description

This is (MAX160xx) Low-Power uP Supervisory Circuits. 19-4145; Rev 2; 10, 08 Low-Power P Supervisory Circuits with Battery-Backup Circuit and Chip-Enable Gating General Description The MAX16016, MAX16020, MAX16021 supervisory circuits monitor power supplies, provide battery-backup control, and chip-enable (CE) gating to write protect memory in microprocessor ( P)-based systems. These low-power devices improve system reliability by providing several supervisory functions in a small, single integrated solution. The MAX16016, MAX16020, MAX16021 perform four basic system functions: 1) Provide a P reset output during VCC supply powerup, power-down, and brownout conditions. 2) Control VCC to battery-backup switching internally to maintain data or low-power operation for memories, real-time clocks (RTCs), and other digital logic when the main power is removed. 3) Provide memory write protection through internal chip-enable gating during brownout. 4) Provide a combination of additional supervisory functions listed in the Featur.