DS3641

PRODUCTION

DeepCover Security Manager with SPI-Compatible Interface and 1KB Nonimprinting Key Memory Single-Chip Solution Integrates Advanced Physical Security to Protect Against Physical and Environmental Tamperings

Analog Devices DS3641 Product Info

10 February 2026 7

Features

1024-Byte Nonimprinting Key Memory with High-Speed Erase
64-Byte General-Purpose RAM (Not Cleared)
Real-Time Clock
Watchdog Timer
CPU Supervisor
Four General-Purpose Tamper-Detection Comparators with Associated Reference
Three Tamper-Detection Logic Inputs
On-Chip Programmable Temperature Sensor
On-Chip Random Number Generator
Latching and Time-Stamping of Tamper Events
3.3V to 3.6V Single-Supply Operation
BGA Package

Part details & applications

DeepCover^® embedded security solutions cloak sensitive data under multiple layers of advanced physical security to provide the most secure key storage possible.

The DeepCover Security Manager (DS3641) is a secure supervisor with 1,024 bytes of SRAM for applications requiring the secure storage of encryption keys, including POS terminals. The 1KB key memory is constantly complemented in the background to prevent oxide stress and memory imprinting. In the event of a qualified tamper event, the key memory is rapidly cleared.

Applications

Alarm Systems
Automated Teller Machines
Digital Cinema Technology
Gaming
Healthcare
IT Security
Network Servers
PIN Pads
POS
Software-Defined Radios

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