|
|
• 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: 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
|
|
| CATALOG |
DS28EC20+T COUNTRY OF ORIGIN
|
DS28EC20+T PARAMETRIC INFO
|
DS28EC20+T PACKAGE INFO
|
DS28EC20+T MANUFACTURING INFO
|
DS28EC20+T PACKAGING INFO
|
DS28EC20+T ECAD MODELS
|
DS28EC20+T APPLICATIONS
|
|
COUNTRY OF ORIGIN
|
Philippines
|
|
PARAMETRIC INFO
|
| Density (bit) |
20K |
| Interface Type |
Serial-1Wire |
| Typical Operating Supply Voltage (V) |
5 |
| Minimum Operating Temperature (°C) |
-40 |
| Maximum Operating Temperature (°C) |
85 |
| Programmability |
Yes |
| I/O Mode |
Serial |
| Density in Bits (bit) |
20480 |
| Hardware Data Protection |
Yes |
| Organization |
80Pagesx256 |
| Data Retention (Year) |
40(Min) |
| Minimum Operating Supply Voltage (V) |
4 |
| Maximum Operating Supply Voltage (V) |
5.25 |
| Minimum Storage Temperature (°C) |
-55 |
| Maximum Storage Temperature (°C) |
125 |
| Number of Bits per Word (bit) |
1 |
| Address Bus Width (bit) |
16 |
|
|
PACKAGE INFO
|
| Supplier Package |
TO-92 |
| Basic Package Type |
Through Hole |
| Pin Count |
3 |
| Lead Shape |
Through Hole |
| PCB |
3 |
| Tab |
N/R |
| Pin Pitch (mm) |
1.4(Max) |
| Package Length (mm) |
4.95(Max) |
| Package Width (mm) |
3.94(Max) |
| Package Height (mm) |
4.95(Max) |
| Package Diameter (mm) |
N/R |
| Seated Plane Height (mm) |
4.95(Max) |
| Mounting |
Through Hole |
| Package Material |
Plastic |
| Package Description |
Plastic Header Style Package |
| Package Family Name |
TO |
| Jedec |
N/A |
|
|
MANUFACTURING INFO
|
| MSL |
N/R |
| Maximum Reflow Temperature (°C) |
N/R |
| Reflow Solder Time (Sec) |
N/R |
| Maximum Wave Temperature (°C) |
N/A |
| Wave Solder Time (Sec) |
N/A |
| Lead Finish(Plating) |
Matte Sn annealed |
| Under Plating Material |
N/A |
| Terminal Base Material |
Cu C194 |
|
|
PACKAGING INFO
|
| Packaging Suffix |
T |
| Packaging |
Tape and Reel |
| Quantity Of Packaging |
2000 |
|
|
ECAD MODELS
|
|
|
APPLICATIONS
|
• Device Authentication
|
| • IEEE 1451.4 Sensor TEDS |
• Ink/Toner Cartridges
|
| • Medical Sensors |
| • PCB Identification |
• Wireless Base Stations
|
|
| |
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