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DS1961S-F5 Datasheet

  • DS1961S-F5

  • 1kb Protected EEPROM iButton With SHA-1 Engine

  • 36頁

  • DALLAS   DALLAS

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DS1961S
www.maxim-ic.com
1kb Protected EEPROM iButton
With SHA-1 Engine
SPECIAL FEATURES
摟
1128 Bits of 5V EEPROM Memory
Partitioned into Four Pages of 256 Bits, a 64-
Bit Write-Only Secret, and up to Five
General-Purpose Read/Write Registers
Write Access Requires Knowledge of the
Secret and the Capability of Computing and
Transmitting a 160-Bit MAC (Message
Authentication Code) as Authorization
Secret and Data Memory can be Write-
Protected (All or Page 0 Only) or put in
EPROM-Emulation Mode (鈥淲rite to 0鈥? Page
1)
On-Chip, 512-Bit SHA-1 Engine to Compute
160-Bit MACs and Generate Secrets
Reads and Writes Over a Wide 2.8V to 5.25V
Voltage Range from -40擄C to +85擄C
Communicates to Host with a Single Digital
Signal at 14.1kbps using 1-Wire
廬
Protocol
On-Chip, 16-Bit Cyclic Redundancy Check
(CRC) Generator for Safeguarding Data
Transfers
Overdrive Mode Boosts Communication
Speed to 125kbps
Operating Temperature Range from -40擄C to
+85擄C
Minimum 10 Years of Data Retention at
+85擄C
摟
摟
摟
摟
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摟
摟
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摟
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Button Shape is Self-Aligning with Cup-
Shaped Probes
Durable Stainless-Steel Case Engraved with
Registration Number Withstands Harsh
Environments
Easily Affixed with Self-Stick Adhesive
Backing, Latched by its Flange, or Locked
with a Ring Pressed onto its Rim
Presence Detector Acknowledges when
Reader First Applies Voltage
Meets UL#913 (4th Edit.). Intrinsically Safe
Apparatus: Approved Under Entity Concept
for use in Class I, Division 1, Groups A, B, C,
and D Locations (Application Pending)
F5 MicroCan
5.89
0.36
0.51
漏 1993
16.25
RR
YYWW REGISTERED
xx
33
17.35
000000FBD8B3
IO
GND
F3 MicroCan
3.10
0.36
0.51
漏 1993
COMMON iButton FEATURES
摟
Unique, Factory-Lasered and Tested 64-Bit
Registration Number (8-Bit Family Code +
48-Bit Serial Number + 8-Bit CRC Tester)
Assures Absolute Traceability Because No
Two Parts are Alike
Multidrop Controller for 1-Wire Net
Digital Identification and Information by
Momentary Contact
Chip-Based Data Carrier Compactly Stores
Information
Data can be Accessed While Affixed to
Object
16.25
RR
YYWW REGISTERED
xx
33
17.35
摟
摟
摟
摟
000000FBC52B
IO
GND
All dimensions are shown in millimeters.
1 of 36
092302
iButton, 1-Wire, and MicroCan are registered trademarks of
Dallas Semiconductor.

DS1961S-F5 產(chǎn)品屬性

  • Maxim Integrated Products

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