M24LR04E-RDW6T/2 STMicroelectronics, M24LR04E-RDW6T/2 Datasheet - Page 102

• Manufacturer Part Number: M24LR04E-RDW6T/2
• Description: EEPROM 4-Kbit Dual EEPROM 1.8 to 5.5V 13.56Mhz
• Manufacturer: STMicroelectronics

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

Command codes
102/142
Request parameter:
Table 77.
Response parameter:
Table 78.
Response parameter:
.
Figure 67. Write-sector Password frame exchange between VCD and M24LR04E-R
Response
Response
M24LR04E-R
M24LR04E-R
SOF
SOF
Request flags
UID (optional)
Password number (01h = Pswd1, 02h = Pswd2, 03h = Pswd3, other = Error)
Data
no parameter.
Error code as Error_flag is set:
–
–
–
–
VCD
10h: the password number is incorrect
12h: the session was not opened before the password update
13h: the specified block was not successfully programmed
0Fh: the presented password is incorrect
Write-sector Password response format when Error_flag is NOT set
Write-sector Password response format when Error_flag is set
Response_
8 bits
flags
SOF
Response_flags
8 bits
Password
request
sector
Write-
Error code
Doc ID 022208 Rev 5
8 bits
EOF
<-t
<---------------- W
1
-> SOF
Write-sector
t
Password
response
-------------> SOF
CRC16
16 bits
CRC16
16 bits
EOF
Password
response
Write sequence
sector
Write-
when error
M24LR04E-R
Response
Response
EOF
EOF
EOF