DS28EC20+ - Maxim Integrated

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

DS28EC20+
Manufacturer

Maxim Integrated
ChipWorker Part#

CW29393653
Category

EEPROM IC Chip
Package

TO-92-3
Description

MAXIM INTEGRATED PRODUCTS DS28EC20+ EEPROM, Serial, 20Kbit, 20K x 1Bit, TO-92, 3Pins
Documentation

Datasheet

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DS28EC20+ Specifications

Attribute	Attribute Value

Part Number	DS28EC20+
Manufacturer	Maxim Integrated
ChipWorker Part#	CW29393653
Category	EEPROM IC Chip
Documentation	Datasheet
Mounting Style	Through Hole
Number of Pins	3 Pin
Case/Package	TO-92-3
Supply Voltage (DC)	4.75V (min)
Operating Voltage	3V ~ 5V
Number of Positions	3 Position
Access Time	2.27 µs
Memory Size	2500 B
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage (Max)	5.25 V
Supply Voltage (Min)	4.75 V
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Size-Length	4.95 mm
Size-Width	3.94 mm
Size-Height	4.95 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Bulk
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
ECCN Code	EAR99

Product Description

The DS28EC20+ is a 20Kb 1-wire EEPROM in 3 pin TO-92 package. A 20480bit, 1-wire EEPROM organized as 80 memory pages of 256bits each. An additional page is set aside for control functions. Data is written to a 32byte scratchpad, verified and then copied to 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 1state to a 0state. It communicates over single conductor 1-wire bus. Device has its own unalterable and unique 64bit ROM registration number. The registration number is used to address device in a multidrop 1-wire net environment. It is used in device authentication, IEEE 1451.4 sensor TEDS, Ink/toner cartridges, medical sensors, PCB identification and wireless base stations.
Supply voltage range is 4.75V to 5.25V
Operating temperature range from -40°C to 85°C
Read and write access highly backward compatible to legacy devices (e.g. DS2433)
256bit scratchpad with strict read/write protocols ensures integrity of data transfer
200K write/erase cycle endurance at +25°C
Switchpoint hysteresis and filtering to optimize performance in the presence of noise
Communicates to host at 15.4Kbps or 90Kbps using 1-wire protocol
IEC 1000-4-2 level 4 ESD protection (±8kV contact, ±15kV air, typical) for I/O pin

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