M24LR04E-RDW6T/2 STMicroelectronics, M24LR04E-RDW6T/2 Datasheet - Page 81

• 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

M24LR04E-R
When configured in the RF write in progress mode, the RF WIP/BUSY pin remains in high-Z
state.
Figure 52. M24LR04E RF-Busy management following Inventory command
1) M24LR04E replies in slot n. RF_Busy is released after M24LR04E response.
RF_Busy
RF_Busy
2) Slot n never occurs. RF_Busy is only released by Power-off.
3) VCD sends a Valid command before slot n. RF_Busy is released after M24LR04E
response.
RF_Busy
RF_Busy
4) VCD sends a Bad command (unknown command code, false CRC...) before
slot n. RF_Busy is released after VCD command.
O
S
F
O
S
F
O
S
F
O
S
F
command
Inventory
command
Inventory
command
Inventory
command
Inventory
O
E
F
O
E
F
O
E
F
Doc ID 022208 Rev 5
O
E
F
Slot 1
Slot 1
Slot 1
Slot 1
O
E
F
O
E
F
O
E
F
O
E
F
O
E
F
O
E
F
O
S
F
O
S
F
Slot n
Slot n
command
command
INew
IBad
O
E
F
O
E
F
O
E
F
O
S
F
M24LR04E
O
S
F
Ireply
Command codes
M24LR04E
Power-off
Ireply
O
E
F
MS19767V2
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O
E
F