M24LR64-RDW6T/2 STMicroelectronics, M24LR64-RDW6T/2 Datasheet - Page 34
M24LR64-RDW6T/2
Manufacturer Part Number
M24LR64-RDW6T/2
Description
13.56MHZ 64KBIT EEPROM 8 TSSOP
Manufacturer
STMicroelectronics
Specifications of M24LR64-RDW6T/2
Featured Product
STM32 Cortex-M3 Companion Products
Rf Type
Read / Write
Frequency
13.56MHz
Features
64 Kbit EEPROM
Package / Case
8-TSSOP
Memory Size
64 KB
Organization
2 K x 32
Interface Type
I2C
Maximum Clock Frequency
400 KHz
Access Time
900 ns
Supply Voltage (max)
5.5 V
Supply Voltage (min)
1.8 V
Maximum Operating Current
600 uA
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-10487-2
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2
C device operation
Minimizing system delays by polling on ACK
During the internal write cycle, the device disconnects itself from the bus, and writes a copy
of the data from its internal latches to the memory cells. The maximum I²C write time (t
shown in
can be used by the bus master.
The sequence, as shown in
1.
2.
3.
Initial condition: a write cycle is in progress.
Step 1: the bus master issues a Start condition followed by a device select code (the
first byte of the new instruction).
Step 2: if the device is busy with the internal Write cycle, no Ack will be returned and
the bus master goes back to Step 1. If the device has terminated the internal write
cycle, it responds with an Ack, indicating that the device is ready to receive the second
part of the instruction (the first byte of this instruction having been sent during Step 1).
Table 104
, but the typical time is shorter. To make use of this, a polling sequence
Figure
Doc ID 15170 Rev 12
12, is:
M24LR64-R
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