M24256-WMW6 STMicroelectronics, M24256-WMW6 Datasheet - Page 10
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M24256-WMW6
Manufacturer Part Number
M24256-WMW6
Description
IC EEPROM 256KBIT 400KHZ 8SOIC
Manufacturer
STMicroelectronics
Datasheet
1.M24256-BWMN6TP.pdf
(42 pages)
Specifications of M24256-WMW6
Format - Memory
EEPROMs - Serial
Memory Type
EEPROM
Memory Size
256K (32K 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
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
M24256-WMW6T
Manufacturer:
ST
Quantity:
20 000
Signal description
10/42
Figure 5.
Figure 6.
100
10
5
1
10
100
10
4 kΩ
1
10
Here R bus × C bus = 120 ns
I
I
2
bus parasitic capacitance (C
2
bus parasitic capacitance (C
C Fast mode (f
C Fast mode Plus (f
Bus line capacitor (pF)
30 pF
Bus line capacitor (pF)
30
Here,
R
bus
100
× C
C
bus
Doc ID 6757 Rev 23
= 400 kHz): maximum R
= 150 ns
C
= 1 MHz): maximum R
M24256-BF, M24256-BR, M24256-BW, M24256-DR
100
bus
bus
When t
(max possible value for
f
time constant must be below
the 270 ns time constant line
represented on the left.
When t
(min value for f
the R
must be below the 100 ns
time constant line represented
on the left.
1000
C
= 1 MHz), the R
)
)
bus
When t
f
time constant must be below the
400 ns time constant line
represented on the left.
C
LOW
LOW
= 400 kHz), the R bus × C bus
× C
= 700 ns
= 400 ns
bus
LOW
C
time constant
= 1 MHz),
= 1.3 µs (min value for
bus
bus
× C
bus
bus
value versus
value versus
I²C bus
master
I²C bus
master
SCL
SDA
SCL
SDA
V
CC
V
R
C
CC
bus
bus
R
C
bus
bus
M24xxx
ai14795d
ai14796b
M24xxx