M24LR04E-RDW6T/2 STMicroelectronics, M24LR04E-RDW6T/2 Datasheet - Page 93
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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M24LR04E-R
26.9
Figure 61. Write AFI frame exchange between VCD and M24LR04E-R
When configured in the RF busy mode, the RF WIP/BUSY pin is tied to 0 from the SOF that
starts the Write AFI command to the end of the M24LR04E-R response.
When configured in the RF write in progress mode, the RF WIP/BUSY pin is tied to 0 for the
duration of the internal write cycle (from the end of a valid Write AFI command to the
beginning of the M24LR04E-R response).
Lock AFI
On receiving the Lock AFI request, the M24LR04E-R locks the AFI value permanently. The
Option_flag is supported.
During the RF write cycle W
otherwise, the M24LR04E-R may not Lock correctly the AFI value in memory. The W
equal to t
Table 60.
1. Gray means that the field is optional.
Request parameter:
Table 61.
Response parameter:
Request
Response
M24LR04E-R
M24LR04E-R
SOF
SOF
Request Flags
UID (optional)
No parameter
VCD
1nom
Request_
Lock AFI request format
Lock AFI response format when Error_flag is NOT set
flags
8 bits
+ 18 × 302 µs.
Response_flags
SOF
8 bits
Lock
AFI
28h
Write AFI
request
t
, there should be no modulation (neither 100% nor 10%),
Doc ID 022208 Rev 5
EOF
<------------------ W
<-t
1
-> SOF
64 bits
UID
(1)
CRC16
16 bits
Write AFI
response
t
--------------> SOF
EOF
CRC16
16 bits
Command codes
Write AFI
response
Write sequence
when error
Response
Request
t
EOF
EOF
time is
EOF
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