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Maxim Integrated Semiconductor Electronic Components Datasheet

DS28E05 Datasheet

1-Wire EEPROM

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DS28E05
1-Wire EEPROM
General Description
The DS28E05 is a 112-byte user-programmable EEPROM
organized as 7 pages of 16 bytes each. Memory pages
can be individually set to write protected or EPROM
emulation mode through protection byte settings. Each
part has its own guaranteed unique 64-bit ROM identi-
fication number (ROM ID) that is factory programmed
into the chip. The DS28E05 communicates over Maxim
Integrated’s single contact 1-Wire® interface at overdrive
speed with the ROM ID acting as node address in the
case of a multiple-device 1-Wire network.
Applications
● Accessory/PCB Identification
● Medical Sensor Calibration Data Storage
● Analog Sensor Calibration
● Aftermarket Management of Consumables
Ordering Information appears at end of data sheet.
For related parts and recommended products to use with this part, refer
to www.maximintegrated.com/DS28E05.related.
Features
● Single-Contact 1-Wire Interface
● 112 Bytes User EEPROM with 1K Write Cycles
● Programmable Write Protection and OTP EPROM
Emulation Modes for User Memory
● Unique Factory-Programmed 64-Bit ROM ID Number
● Communicates with Host at Up to 76.9kbps
(Overdrive Only)
● Operating Range: 2.75V to 3.63V, -40°C to +85°C
● ±8kV HBM ESD Protection (typ) on IO Pin
● 3-Pin SOT23 and 6-Pin TSOC Packages
Typical Application Circuit
VCC
µC
RPUP
IO
DS28E05
GND
1-Wire is a registered trademark of Maxim Integrated Products, Inc.
19-6568; Rev 1; 1/14


Maxim Integrated Semiconductor Electronic Components Datasheet

DS28E05 Datasheet

1-Wire EEPROM

No Preview Available !

DS28E05
1-Wire EEPROM
Absolute Maximum Ratings
IO Voltage Range to GND.......................................-0.5V to 4.0V
IO Sink Current.................................................................±20mA
Operating Temperature Range ........................... -40°C to +85°C
Junction Temperature.......................................................+150°C
Storage Temperature Range............................. -55°C to +125°C
Lead Temperature (soldering, 10s).................................. +300°C
Soldering Temperature (reflow) .......................................+260°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these
or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect
device reliability.
Electrical Characteristics
(TA = -40°C to +85°C, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
IO PIN: GENERAL DATA
1-Wire Pullup Voltage
1-Wire Pullup Resistance
Input Capacitance
Input Load Current
VPUP
RPUP
CIO
IL
(Note 2)
VPUP = 3.3V ±10% (Note 3)
(Notes 4, 5)
IO pin at VPUP
High-to-Low Switching Threshold
VTL (Notes 6, 7)
Input Low Voltage
VIL (Notes 2, 8)
Low-to-High Switching Threshold
VTH (Notes 6, 9)
Switching Hysteresis
VHY (Notes 6, 10)
Output Low Voltage
VOL IOL = 4mA (Note 11)
Recovery Time
tREC RPUP = 1500Ω (Notes 2, 12)
Time Slot Duration
tSLOT (Notes 2, 13)
IO PIN: 1-Wire RESET, PRESENCE DETECT CYCLE
Reset Low Time
Reset High Time
Presence Detect Sample Time
IO PIN: 1-Wire WRITE
tRSTL
tRSTH
tMSP
(Note 2)
(Note 14)
(Notes 2, 15)
Write-Zero Low Time
Write-One Low Time
IO PIN: 1-Wire READ
tW0L
tW1L
(Notes 2, 16)
(Notes 2, 16)
Read Low Time
Read Sample Time
EEPROM
tRL
tMSR
(Notes 2, 17)
(Notes 2, 17)
Programming Current
Programming Time for a 16-Bit
Segment
IPROG
tPROG
VPUP = 3.63V (Notes 5, 18)
(Note 19)
Write/Erase Cycling Endurance
Data Retention
NCY
tDR
TA = +85°C (Notes 20, 21)
TA = +85°C (Notes 22, 23, 24)
MIN TYP MAX UNITS
2.75
300
5
13
1500
5
0.65 x
VPUP
0.75 x
VPUP
0.3
3.63
1500
20
0.5
0.4
V
pF
µA
V
V
V
V
V
µs
µs
48 80 µs
48 µs
8 10 µs
8 16 µs
1 2 µs
1
tRL + δ
1000
10
2-δ
2
µs
µs
400 µA
16 ms
Years
www.maximintegrated.com
Maxim Integrated 2


Part Number DS28E05
Description 1-Wire EEPROM
Maker Maxim Integrated
PDF Download

DS28E05 Datasheet PDF






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