DS28EC20+ by Analog Devices

20Kb 1-Wire EEPROM

Status: Active
Series: DS28EC20
RoHS: Unknown
View Datasheet Manufacturer Site View Pricing & Stock

The DS28EC20 is a 20480-bit, 1-Wire® EEPROM organized as 80 memory pages of 256 bits each. An additional page is set aside for control functions. Data is written to a 32-byte scratchpad, verified, and then copied to the EEPROM memory. As a special feature, blocks of eight memory pages can be write protected or put in EPROM-Emulation mode, where bits can only be changed from a 1 to a 0 state. The DS28EC20 communicates over the single-conductor 1-Wire bus. The communication follows the standard 1-Wire protocol. Each device has its own unalterable and unique 64-bit ROM registration number. The registration number is used to address the device in a multidrop 1-Wire net environment.

Prices starting from US$2.25


Distributor Starting From Stock
Logo for Newark Electronics Newark Electronics US$2.91
14,762
Buy Now
Logo for element14 element14 US$2.81
12,986
Buy Now
Logo for Farnell Farnell US$2.68
12,986
Buy Now
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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 Backward-Compatible 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: 4V to 5.25V, -40°C to +85°C
Operating Range: 3.135V to3.465V, 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

Specifications

End Equipment Medical Consumable IDPCB ID and AuthenticationPeripheral ID and ControlPrint Cartridge Authentication
Memory Type EEPROM
Memory Size 20K x 1
Bus Type 1-Wire
Package/Pins TDFN/6TO92/3TSOC/6
BudgetaryPrice (See Notes) 1.69


DS28EC20+ - Integrated Circuits by Analog Devices

SERIAL EEPROM 20KBIT TO-92-3

Status: Unknown
Series: 20Kbit 1-Wire Serial EEPROM
RoHS: Unknown
View Datasheet Manufacturer Site View Pricing & Stock

Specifications

Memory Interface Type Serial 1-Wire
Memory Size 20Kbit
EEPROM Memory Configuration 20K x 1bit
Clock Frequency -
Memory Case Style TO-92
No. of Pins 3Pins
Supply Voltage Min 4.75V
Supply Voltage Max 5.25V
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range 20Kbit 1-Wire Serial EEPROM
RoHS Phthalates Compliant To Be Advised
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)
IC Interface Type Serial 1-Wire

Alternative Descriptions

Eeprom, 20Kbit, -40 To 85Deg C | Newark Electronics
SERIAL EEPROM, 20KBIT, TO-92-3 | element14
1-Wire 20KBit EEPROM 80x256 5V TO-92 | RS

Frequently Asked Questions

Where can I find additional details, specifications and documents for a DS28EC20+ ?

Additional datasheets, footprints and schematics for DS28EC20+ are listed on our Part Details page. You can also find images and similar parts to DS28EC20+ on this page.

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Is the DS28EC20+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

Which authorised distributors for DS28EC20+ have stock available?

Authorised distributors including Newark Electronics, element14, Farnell and RS have stock available or on a lead time for DS28EC20+ .

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