DS1993L-F5+ Maxim Integrated Products, DS1993L-F5+ Datasheet

IBUTTON MEMORY 4KBit F5

DS1993L-F5+

Manufacturer Part Number
DS1993L-F5+
Description
IBUTTON MEMORY 4KBit F5
Manufacturer
Maxim Integrated Products
Series
iButton®r
Type
Memory iButtonr
Datasheet

Specifications of DS1993L-F5+

Rohs Information
IButton RoHS Compliance Plan
Memory Size
512B
Memory Type
NVRAM
Maximum Operating Temperature
+ 70 C
Package / Case
F5 MicroCan
Minimum Operating Temperature
- 40 C
Memory Configuration
128K X 8
Supply Voltage Range
2.8V To 6V
Memory Case Style
Micro Can
Operating Temperature Range
-40°C To +70°C
Filter Terminals
SMD
Memory Voltage, Vcc
2.8V
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
1-Wire and iButton are registered trademarks of Maxim Integrated Products, Inc.
SPECIAL FEATURES
 4096 bits of Read/Write Nonvolatile
 1024 bits of Read/Write Nonvolatile
 256-bit Scratchpad Ensures Integrity of Data
 Memory Partitioned into 256-bit Pages for
 Data Integrity Assured with Strict
 Operating Temperature Range from -40°C to
 Over 10 years of data retention
ORDERING INFORMATION
DS1992L-F5+
DS1993L-F5+
+Denotes a lead(Pb)-free/RoHS-compliant product.
EXAMPLES OF ACCESSORIES
DS9096P Self-Stick Adhesive Pad
DS9101 Multipurpose Clip
DS9093RA Mounting Lock Ring
DS9093F Snap-In Fob
DS9092 iButton Probe
F5 MicroCan
Memory (DS1993)
Memory (DS1992)
Transfer
Packetizing Data
Read/Write Protocols
+70°C
F5 MicroCan
F5 MicroCan
1 of 17
COMMON iButton FEATURES
 Unique, Factory-Lasered and Tested 64-bit
 Multidrop Controller for MicroLAN
 Digital Identification and Information by
 Chip-Based Data Carrier Compactly Stores
 Data Can be Accessed While Affixed to
 Economically Communicates to Bus Master
 Standard 16mm Diameter and 1-Wire
 Button Shape is Self-Aligning with Cup-
 Durable Stainless Steel Case Engraved with
 Easily Affixed with Self-Stick Adhesive
 Presence Detector Acknowledges When
 Meets UL#913 (4th Edit.); Intrinsically Safe
Registration Number (8-bit Family Code +
48-bit Serial Number + 8-bit CRC Tester)
Assures Absolute Traceability Because No
Two Parts are Alike
Momentary Contact
Information
Object
with a Single Digital Signal at 16.3kbps
Protocol Ensure Compatibility with iButton
Family
Shaped Probes
Registration Number Withstands Harsh
Environments
Backing, Latched by its Flange, or Locked
with a Ring Pressed onto its Rim
Reader First Applies Voltage
Apparatus, Approved under Entity Concept
for use in Class I, Division 1, Group A, B, C
and D Locations
1Kb/4Kb Memory iButton
DS1992/DS1993
19-4865; Rev 8/09
®
®

Related parts for DS1993L-F5+

DS1993L-F5+ Summary of contents

Page 1

... Data Integrity Assured with Strict Read/Write Protocols  Operating Temperature Range from -40°C to +70°C  Over 10 years of data retention ORDERING INFORMATION DS1992L-F5+ DS1993L-F5+ +Denotes a lead(Pb)-free/RoHS-compliant product. EXAMPLES OF ACCESSORIES DS9096P Self-Stick Adhesive Pad DS9101 Multipurpose Clip DS9093RA Mounting Lock Ring DS9093F Snap-In Fob ...

Page 2

DESCRIPTION The DS1992/DS1993 memory iButtons (hereafter referred to as DS199_) are rugged read/write data carriers that act as a localized database, easily accessible with minimal hardware. The nonvolatile memory and optional timekeeping capability offer a simple solution to storing ...

Page 3

Figure 1. DS199_ BLOCK DIAGRAM 1-WIRE 1-W PORT MEMORY FUNCTION CONTROL 3V LITHIUM Figure 2. 64-BIT LASERED ROM MSB 8-Bit CRC Code MSB LSB Figure 3. 1-Wire CRC CODE STAGE STAGE STAGE 0 1 ...

Page 4

Figure 4a. DS1993 MEMORY MAP SCRATCHPAD PAGE PAGE 0 PAGE 1 PAGE 2 PAGE 3 PAGE 4 PAGE 5 PAGE 6 PAGE 7 PAGE 8 MEMORY PAGE 9 PAGE 10 PAGE 11 PAGE 12 PAGE 13 PAGE 14 PAGE 15 ...

Page 5

MEMORY The memory map in Figure 4 shows a 32-Byte page called the scratchpad, and additional 32-Byte pages called memory. The DS1992 contains pages 0 though 3 that make up the 1024-bit SRAM. The DS1993 contain pages 0 through 15 ...

Page 6

Copy Scratchpad [55h] This command is used to copy data from the scratchpad to memory. After issuing the copy scratchpad command, the user must provide a 3-byte authorization pattern. This pattern must exactly match the data contained in the three ...

Page 7

Figure 6. MEMORY FUNCTIONS FLOW CHART Master TX Memory Function Command 0FH Write Scratchpad Bus Master TX TA1 (T7:T0) Bus Master TX TA2 (T15:T8) DS199X sets Scratchpad Offset = (T4:T0) and Clears (PF, OF, AA) Master TX Data Byte To ...

Page 8

Figure 6. MEMORY FUNCTIONS FLOW CHART (Continued) From Figure 6 55H Copy Scratchpad First Part ? Y Bus Master TX TA1 (T7:T0) Bus Master TX TA2 (T15:T8) Bus Master TX E/S Byte Auth- rization Code Match ? ...

Page 9

MEMORY FUNCTION EXAMPLES Example: Write two data Bytes to memory locations 0026h and 0027h (the seventh and eighth Bytes of page 1). Read entire memory. MASTER MODE DATA (LSB FIRST ...

Page 10

BUS SYSTEM The 1-Wire bus is a system that has a single bus master and one or more slaves. In all instances the DS199_ is a slave device. The bus master is typically a microcontroller or PC. For small ...

Page 11

The presence pulse lets the bus master know that the DS199_ is on the bus and is ready to operate. For more details, see the 1-Wire Signaling section. ROM FUNCTION COMMANDS Once the bus master has detected a presence, ...

Page 12

Figure 9. ROM FUNCTIONS FLOW CHART ...

Page 13

Figure 10. INITIALIZATION PROCEDURE RESET AND PRESENCE PULSE MASTER TX "RESET PULSE" V PULLUP V PULLUP MIN V IH MIN V IL MAX 0V t RSTL RESISTOR MASTER DS199X READ/WRITE TIME SLOTS The definitions of write and read time slots ...

Page 14

Figure 11. READ/WRITE TIMING DIAGRAM (continued) Write-Zero Time Slot V PULLUP V PULLUP MIN V IH MIN V IL MAX 0V RESISTOR MASTER Read-Data Time Slot V PULLUP V PULLUP MIN V IH MIN V IL MAX 0V RESISTOR MASTER ...

Page 15

PHYSICAL SPECIFICATIONS Size Weight Expected Service Life Safety ABSOLUTE MAXIMUM RATINGS* Voltage on any Pin Relative to Ground Operating Temperature Range Storage Temperature Range * This is a stress rating only and functional operation of the device at these or ...

Page 16

Note 1: All voltages are referenced to ground. Note function of the external pullup resistor and the V IH Note external pullup voltage. PUP Note 4: Input load is to ground. Note 5: ...

Page 17

... © 2009 Maxim Integrated Products DESCRIPTION from 0.8V to 0.3V, and ILMAX parameter for the 1-Wire pin Maxim is a registered trademark of Maxim Integrated Products, Inc. DS1992/DS1993 PAGES CHANGED 1 2 from the PUP 15 ...

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