M24256-BWDW6TP STMicroelectronics, M24256-BWDW6TP Datasheet - Page 40

• Manufacturer Part Number: M24256-BWDW6TP
• Description: IC EEPROM 256KBIT 400KHZ 8TSSOP
• Manufacturer: STMicroelectronics

Specifications of M24256-BWDW6TP

• 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-TSSOP
• Density: 256Kb
• Interface Type: Serial (I2C)
• Organization: 32Kx8
• Access Time (max): 900ns
• Frequency (max): 400KHz
• Write Protection: Yes
• Data Retention: 40Year
• Operating Supply Voltage (typ): 3.3/5V
• Package Type: TSSOP
• Operating Temp Range: -40C to 85C
• Supply Current: 2mA
• Operating Supply Voltage (min): 2.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-8622-2; M24256-BWDW6TP

Revision history
40/42
Table 24.
20-Aug-2009
05-Nov-2009
10-Dec-2009
21-Dec-2010
04-Mar-2010
16-Jun-2009
13-Oct-2009
19-Jan-2010
Date
Document revision history (continued)
Revision
15
16
17
18
19
20
21
22
Part numbers updated in cover page header.
I
Note 1and I
Note and I
Datasheet split to leave only devices with 256 Kbit capacity.
M24256-DR part number added (see
products (package, voltage range, temperature
Figure 4: Device select code
maximum R
V
V
DC characteristics (voltage range R)
(voltage range
In
characteristics:
– t
– t
– t
– Notes modified
Figure 13: AC waveforms
Section 3.9: Write Identification Page (M24256-D only)
corrected.Section 3.17: Reading the Identification Page (M24256-D only)
clarified.
UFDFPN8 package is now offered (see
data,
M24256-BR, M24256-BW, M24256-BF products (package, voltage
range, temperature
Revision number corrected at bottom of pages.
Process description corrected in
Updated text in:
Features,
Write
Section 3.10: Lock Identification Page (M24256-D
ECC (error correction code) and write
Identification Page (M24256-D
status (M24256-D
Section 8: Part
Updated the following according to the I²C_bus specification:
Table 16: 400 kHz AC
Figure 13: AC
OL
IO
IH
Table 16: 400 kHz AC characteristics
DL1DL2
CHDX
XH1XH2
added to
max modified in
modified in
Table 23: Ordering information scheme
operations,
Doc ID 6757 Rev 23
changed to t
Section 1:
changed to t
CC
and t
CC
bus
Table 7: Operating conditions (voltage range
modified in
waveforms.
modified in
F).
value versus bus parasitic capacitance (C
Table 13: DC characteristics (voltage range
XL1XL2
numbering.
M24256-BF, M24256-BR, M24256-BW, M24256-DR
Section 3.9: Write Identification Page (M24256-D
only),
grade).
Table 6: Absolute maximum
Description,
CHDL
characteristics,
QL1QL2
values removed
Table 10: AC test measurement
Table 14: DC characteristics (voltage range
modified.
Table 13: DC characteristics (voltage range
and
only),
Changes
Table 23: Ordering information
Section 3.1: Start
Figure 5: I
and
Section 3.18: Reading the lock
Table 26: Available M24256-DR
Table 17: 1 MHz AC
cycling,
Section 7: Package mechanical
and
Table 15: DC characteristics
2
Table 17: 1 MHz AC
C Fast mode (f
and
Section 3.17: Reading the
grade).
ratings.
Table 25: Available
only),
condition,
Section 3.11:
conditions,
bus
characteristics,
W).
W),
C
)
Section 3.6:
= 400 kHz):
updated.
Table 14:
scheme.
only),
R);
W);