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See Technical Specifications

DS28EC20P+ +BOM

20Kbit Single Bus TSOC-6 EEPROM ROHS

Manufacturer:

Analog Devices
Mfr.Part #:

DS28EC20P+
Datasheet:

DS28EC20P+ Datasheet (PDF)
Mounting Style:

SMD/SMT
Interface Type:

1-Wire
Memory Size:

20 kbit
Organization:

256 x 80

Email: [email protected]

Skype: live:.cid.ab6b29428937b76

Tel: +852 95804164

DS28EC20P+ General Description

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.

Key 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

Application

Card/Module Identification in Rack-Based Systems
Device Authentication
IEEE 1451.4 Sensors
Ink and Toner Cartridge ID
Medical and Industrial Sensor Identification/Calibration
PCB Identification
Smart Cable

Specifications

Product Category	EEPROM	Mounting Style	SMD/SMT
Interface Type	1-Wire	Memory Size	20 kbit
Organization	256 x 80	Supply Voltage - Min	4 V
Supply Voltage - Max	5.25 V	Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 85 C	Data Retention	40 Year
Supply Current - Max	900 uA	Series	DS28EC20P
Active Read Current - Max	900 uA	Operating Supply Voltage	5 V
Product Type	EEPROM	Factory Pack Quantity	120
Subcategory	Memory & Data Storage	Part # Aliases	DS28EC20P 90-F431P+000
Unit Weight	0.001799 oz