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DS28CM00
I²C/SMBus Silicon Serial Number
Unique 64-bit factory lasered in each part. Perfect low-cost solution for embedded applications requiring an electronic serial number.
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Status
Active: In Production.
Description
The DS28CM00 is a low-cost, electronic registration
number to provide an absolutely unique identity that
can be determined with the industry standard I²C and
SMBus™ interface. The registration number is a
factory-lasered, 64-bit ROM that includes a unique
48-bit serial number, an 8-bit CRC, and an 8-bit
family code (70h). In SMBus mode, the DS28CM00
resets its communication interface if it detects a bus
fault condition.
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Data Sheet
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An evaluation kit is available: DS28CM00EVKIT
Key Features
- Unique, Factory-Lasered and Tested 64-bit
Registration Number (8-bit Family Code + 48-bit
Serial Number + 8-bit CRC)
- SMBus-Compatible I²C Serial Interface
- Supports 100kHz and 400kHz Communication
Speeds
- 5V Tolerant Interface Pins
- Operating Range: 1.8V ±10% to 5V ±5%, -40°C
to +85°C
- 5-Pin SOT23 Package
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Applications/Uses
- Accessory and Peripheral Identification
- Equipment Registration and License Management
- Network Node Identification
- Printed Circuit Board Unique Serialization
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Key Specifications:
| Memory (EPROM, EEPROM, ROM, NV SRAM) |
| Part Number |
Memory Type |
Memory Size |
Bus Type |
Real Time Clock |
Pwr. Cap Pckg. |
GPIO |
VSUPPLY
(V) |
VSUPPLY
(V) |
Budgetary Price |
| min |
max |
See Notes |
| DS28CM00 |
ROM |
64bit x 1 |
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No |
No |
No |
1.62 |
5.25 |
$0.57 @1k |
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See All Memory (EPROM, EEPROM, ROM, NV SRAM) (58)
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Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.
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Diagram
Typical Operating Circuit
Reliability Reports
Software/Models
Ordering Information
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Part Number
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Free
Sample |
Buy |
Status
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Package:
TYPE PINS FOOTPRINT
DRAWING CODE/VAR *
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Temp |
RoHS/Lead-Free?
Materials Analysis
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| DS28CM00R-A00+T
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Active |
SOT;5 pin;9 mm²
Outline Drawing:21-0057 (PDF)
Land Pattern: 90-0174 (PDF)
Use pkgcode/variation: U5+1*
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-40°C to +85°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
| DS28CM00R-A00+U
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Active |
SOT;5 pin;9 mm²
Outline Drawing:21-0057 (PDF)
Land Pattern: 90-0174 (PDF)
Use pkgcode/variation: U5+1*
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-40°C to +85°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
Notes:
- Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
- Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
- Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt; -D = drypack; -U/+U on DS parts = cut tape. More: See Full Data Sheet or Maxim Product Naming Conventions.
- * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.
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Similar Products by Function
| DS2411 |
Silicon Serial Number with VCC Input |
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Evaluation Kits
| DS28CM00EVKIT |
Evaluation Board/Evaluation System for the DS28CM00 |
Products with Similar Part Numbers
Didn't Find What You Need?
Information Index
Rev 0;
2006-07-27
This page last modified: 2009-09-04
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