M24LR64-RMN6/2 STMicroelectronics, M24LR64-RMN6/2 Datasheet - Page 33

• Manufacturer Part Number: M24LR64-RMN6/2
• Description: EEPROM, 64K, DUAL INTERFACE, 8SOIC
• Manufacturer: STMicroelectronics

Specifications of M24LR64-RMN6/2

• Memory Size: 64Kbit
• Clock Frequency: 400kHz
• Access Time: 900ns
• Supply Voltage Range: 1.8V To 5V
• Memory Case Style: SOIC
• No. Of Pins: 8
• Operating Temperature Range: -40°C To +85°C
• Svhc: No SVHC
• Memory Configuration: 8192 X 8, 2048 X 32
• Interface Type: I2C, Serial, 2-Wire
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

M24LR64-R
Figure 11. Write mode sequences with I2C_Write_Lock bit = 0 (data write enabled)
Figure 12. Write cycle polling flowchart using ACK
Byte Write
Page Write
First byte of instruction
with RW = 0 already
decoded by the device
Dev Select
Dev Select
ReStart
R/W
R/W
Stop
ACK
ACK
Byte address
Byte address
NO
NO
Start condition
Device select
addressing the
with RW = 0
Operation is
in progress
ACK
ACK
Write cycle
returned
memory
ACK
Next
Doc ID 15170 Rev 11
Byte address
Byte address
YES
Write cperation
Write operation
Continue the
Data for the
ACK
ACK
YES
NO
Data in 1
Data in
and Receive ACK
Send Address
StartCondition
ACK
ACK
Data in 2
Random Read operation
Ddevice select
Continue the
with RW = 1
YES
ACK
I
2
C device operation
Data in N
AI01847d
AI15116
ACK
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