M24512-WMW6TG STMicroelectronics, M24512-WMW6TG Datasheet - Page 2

IC EEPROM 512KBIT 400KHZ 8SOIC

M24512-WMW6TG

Manufacturer Part Number
M24512-WMW6TG
Description
IC EEPROM 512KBIT 400KHZ 8SOIC
Manufacturer
STMicroelectronics
Datasheets

Specifications of M24512-WMW6TG

Format - Memory
EEPROMs - Serial
Memory Type
EEPROM
Memory Size
512K (64K x 8)
Speed
400kHz
Interface
I²C, 2-Wire Serial
Voltage - Supply
2.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Package / Case
8-SOIC (5.3mm Width), 8-SOP, 8-SOEIAJ
Organization
64 K x 8
Interface Type
I2C
Maximum Clock Frequency
0.4 MHz
Access Time
900 ns
Supply Voltage (max)
5.5 V
Supply Voltage (min)
2.5 V
Maximum Operating Current
5 mA
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Operating Supply Voltage
3.3 V, 5 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-8627-2
M24512-WMW6TG

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
M24512-WMW6TG
Manufacturer:
ST
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M24512-WMW6TG
Manufacturer:
ST
Quantity:
8 000
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Contents
Contents
1
2
3
2/41
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Signal description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.1
2.2
2.3
2.4
2.5
2.6
Device operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
3.10
3.11
3.12
3.13
3.14
3.15
3.16
3.17
Serial Data (SDA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Write Control (WC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Supply voltage (V
Write Identification Page (M24512-DR only) . . . . . . . . . . . . . . . . . . . . . . 17
Lock Identification Page (M24512-DR only) . . . . . . . . . . . . . . . . . . . . . . . 17
ECC (error correction code) and write cycling . . . . . . . . . . . . . . . . . . . . . 17
Read operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Random Address Read (in memory array) . . . . . . . . . . . . . . . . . . . . . . . . 21
Current Address Read (in memory array) . . . . . . . . . . . . . . . . . . . . . . . . 21
Sequential Read . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Serial Clock (SCL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Chip Enable (E0, E1, E2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
V
2.6.1
2.6.2
2.6.3
2.6.4
Start condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Stop condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Acknowledge bit (ACK) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Data input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Addressing the memory array . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Addressing the Identification page (M24512-DR only) . . . . . . . . . . . . . . . 14
Write operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Byte Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Page Write (memory array) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Minimizing system delays by polling on ACK . . . . . . . . . . . . . . . . . . . . . . 19
SS
ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Operating supply voltage V
Power-up conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Device reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Power-down conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
CC
Doc ID 16459 Rev 22
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
M24512-R, M24512-W, M24512-DR

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