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M24256-BF Datasheet(PDF) 41 Page - STMicroelectronics

Part # M24256-BF
Description  256 Kbit serial I짼C bus EEPROM with three Chip Enable lines
PDF  42 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M24256-BF Datasheet(HTML) 41 Page - STMicroelectronics

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M24256-BF, M24256-BR, M24256-BW, M24256-DR
Revision history
Doc ID 6757 Rev 21
41/42
16-Jun-2009
15
Part numbers updated in cover page header.
20-Aug-2009
16
IOL added to Table 8: Operating conditions (voltage range W).
Note 1and ICC modified in Table 13: DC characteristics (voltage range W);
Note and ICC modified in Table 14: DC characteristics (voltage range R);
13-Oct-2009
17
Datasheet split to leave only devices with 256 Kbit capacity.
M24256-DR part number added (see Table 25: Available M24256-DR
products (package, voltage range, temperature grade).
Figure 4: Device select code and Figure 5: I2C Fast mode (fC = 400 kHz):
maximum Rbus value versus bus parasitic capacitance (Cbus) updated.
VIO max modified in Table 7: Absolute maximum ratings.
VIH modified in Table 13: DC characteristics (voltage range W), Table 14:
DC characteristics (voltage range R) and Table 15: DC characteristics
(voltage range F).
In Table16: 400kHz AC characteristics and Table 17: 1 MHz AC
characteristics:
–tDL1DL2 changed to tQL1QL2
–tCHDX changed to tCHDL
–tXH1XH2 and tXL1XL2 values removed
– Notes modified
Figure 13: AC waveforms modified.
05-Nov-2009
18
Section 3.9: Identification Page Write (M24256-DR only)
corrected.Section 3.17: Read Identification Page clarified.
10-Dec-2009
19
UFDFPN8 package is now offered (see Section 7: Package mechanical
data, Table 23: Ordering information scheme and Table 24: Available
M24256-BR, M24256-BW, M24256-BF products (package, voltage
range, temperature grade).
19-Jan-2010
20
Revision number corrected at bottom of pages.
04-Mar-2010
21
Process description corrected in Table 23: Ordering information scheme.
Table 26.
Document revision history (continued)
Date
Revision
Changes



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