M24LR04E-RDW6T/2 STMicroelectronics, M24LR04E-RDW6T/2 Datasheet - Page 42
M24LR04E-RDW6T/2
Manufacturer Part Number
M24LR04E-RDW6T/2
Description
EEPROM 4-Kbit Dual EEPROM 1.8 to 5.5V 13.56Mhz
Manufacturer
STMicroelectronics
Datasheet
1.M24LR04E-RDW6T2.pdf
(142 pages)
Specifications of M24LR04E-RDW6T/2
Product Category
EEPROM
Memory Size
4 Kbit
Maximum Clock Frequency
400 KHz
Maximum Operating Current
20 uA
Operating Supply Voltage
1.8 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
TSSOP-8
Factory Pack Quantity
1
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
M24LR04E-RDW6T/2
Manufacturer:
ST
Quantity:
20 000
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RF device operation
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7.1
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RF device operation
The M24LR04E-R is divided into 4 sectors of 32 blocks of 32 bits, as shown in
sector can be individually read- and/or write-protected using a specific lock or password
command.
Read and Write operations are possible if the addressed block is not protected. During a
Write, the 32 bits of the block are replaced by the new 32-bit value.
The M24LR04E-R also has a 64-bit block that is used to store the 64-bit unique identifier
(UID). The UID is compliant with the ISO 15963 description, and its value is used during the
anticollision sequence (Inventory). This block is not accessible by the user and its value is
written by ST on the production line.
The M24LR04E-R also includes an AFI register in which the application family identifier is
stored, and a DSFID register in which the data storage family identifier used in the
anticollision algorithm is stored.
The M24LR04E-R has three 32-bit blocks in which the password codes are stored and a 8-
bit Configuration byte in which the Energy harvesting mode and RF WIP/BUSY pin
configuration is stored.
RF communication and energy harvesting
Because current consumption can affect the AC signal delivered by the antenna, RF
communications with M24LR04E-R are not guaranteed during voltage delivery on the
energy harvesting analog output Vout.
RF communication can disturb and possibly stop Energy Harvesting mode.
Doc ID 022208 Rev 5
Table
M24LR04E-R
5. Each
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