M24LR64E-RDW6T/2 STMicroelectronics, M24LR64E-RDW6T/2 Datasheet - Page 112
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M24LR64E-RDW6T/2
Manufacturer Part Number
M24LR64E-RDW6T/2
Description
EEPROM 64Kbit EEProm 400kHz 13.56Mhz 1.8 to 5.5V
Manufacturer
STMicroelectronics
Datasheet
1.M24LR64E-RDW6T2.pdf
(140 pages)
Specifications of M24LR64E-RDW6T/2
Rohs
yes
Memory Size
64 Kbit
Organization
8192 x 8
Data Retention
40 yr
Maximum Clock Frequency
400 kHz
Maximum Operating Current
20 uA
Operating Supply Voltage
1.8 V to 5.5 V
Maximum Operating Temperature
+ 90 C
Mounting Style
SMD/SMT
Package / Case
TSSOP-8
Access Time
900 ns
Interface Type
I2C
Minimum Operating Temperature
0 C
Operating Current
20 uA
Supply Voltage - Max
5.5 V
Supply Voltage - Min
1.8 V
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Command codes
26.22
112/140
When configured in the RF busy mode, the RF WIP/BUSY pin is tied to 0 from the SOF
starting the inventory command to the end of the M24LR64E-R response. If the M24LR64E-
R does not receive the corresponding slot marker, the RF WIP/BUSY pin remains at 0 until
the next RF power-off.
When configured in the RF write in progress mode, the RF WIP/BUSY pin remains in high-Z
state.
Initiate
On receiving the Initiate command, the M24LR64E-R sets the internal Initiate_flag and
sends back a response only if it is in the ready state. The command has to be issued in the
Non Addressed mode only (Select_flag is reset to 0 and Address_flag is reset to 0). If an
error occurs, the M24LR64E-R does not generate any answer. The Initiate_flag is reset after
a power-off of the M24LR64E-R.
The request contains:
Table 101. Initiate request format
The response contains:
Table 102. Initiate response format
Figure 73. Initiate frame exchange between VCD and M24LR64E-R
Request
Response
SOF
M24LR64E-R
SOF
No data
the flags,
the Unique ID.
VCD
Request_flags
Response
_flags
8 bits
8 bits
SOF
DSFID
8 bits
request
Initiate
Initiate
Doc ID 022712 Rev 3
D2h
EOF
IC Mfg
code
02h
<-t
1
-> SOF
64 bits
UID
response
Initiate
CRC16
16 bits
EOF
CRC16
16 bits
M24LR64E-R
Response
Request
EOF
EOF
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