MAXIM DS28EC20 DS28EC20P 20Kb 1 Wire EEPROM

Description

Image

Features

20480 Bits of Nonvolatile (NV) EEPROM

Partitioned into Eighty 256-Bit Pages

Individual 8-Page Groups of Memory Pages

(Blocks) can be Permanently Write Protected or

Put in OTP EPROM-Emulation Mode ("Write to 0")

Read and Write Access Highly BackwardCompatible

to Legacy Devices (e.g., DS2433)

256-Bit Scratchpad with Strict Read/Write

Protocols Ensures Integrity of Data Transfer

200k Write/Erase Cycle Endurance at +25°C

Unique Factory-Programmed 64-Bit Registration

Number Ensures Error-Free Device Selection

and Absolute Part Identity

Switchpoint Hysteresis and Filtering to Optimize

Performance in the Presence of Noise

Communicates to Host at 15.4kbps or 90kbps

Using 1-Wire Protocol

Low-Cost TO-92 Package

Operating Range: 5V ±5%, -40°C to +85°C

Operating Range: 3.3V ±5%, 0°C to +70°C

(Standard Speed only)

IEC 1000-4-2 Level 4 ESD Protection (±8kV

Contact, ±15kV Air, Typical) for I/O Pin

APPLICATIONS

Device Authentication

IEEE 1451.4 Sensor TEDS

Ink/Toner Cartridges

Medical Sensors

PCB Identification

Wireless Base Stations