Datasheet
Revision history M24256-BW M24256-BR M24256-BF M24256-DR M24256-DF
38/40 Doc ID 6757 Rev 30
11 Revision history
Table 23. Document revision history
Date Revision Changes
19-Jan-2010 20 Revision number corrected at bottom of pages.
04-Mar-2010 21 Process description corrected in Table 23: Ordering information scheme.
21-Dec-2010 22
Updated text in:
Features, Section 1: Description, Section 3.1: Start condition, Section 3.6:
Write operations, Section 3.9: Write Identification Page (M24256-D only),
Section 3.10: Lock Identification Page (M24256-D only), Section 3.11:
ECC (error correction code) and write cycling, Section 3.17: Reading the
Identification Page (M24256-D only), Section 3.18: Reading the lock
status (M24256-D only), Table 10: AC test measurement conditions,
Section 8: Part numbering.
Updated the following according to the I²C_bus specification:
Table 17: 400 kHz AC characteristics, Table 18: 1 MHz AC characteristics,
Figure 13: AC waveforms.
14-Feb-2011 23
Added caution under Figure 3: WLCSP connections (top view, marking
side, with balls on the underside).
Updated:
–Description
– Section 3.5: Addressing the memory array
– Section 3.17: Reading the Identification Page (M24256-D only)
– Section 3.18: Reading the lock status (M24256-D only)
– Table 2: Most significant address byte
– Table 6: Absolute maximum ratings
– Table 17: 400 kHz AC characteristics
– Table 18: 1 MHz AC characteristics
Moved:
– Table 2: Most significant address byte from Section 2.6.4 to Section 3.5
Deleted:
– Table 3: Device select code to access the Identification page (M24256-
DR only)
– Table 25: Available M24256-BR, M24256-BW, M24256-BF products
(package, voltage range, temperature grade)
– Table 26: Available M24256-DR products (package, voltage range,
temperature grade)
05-Jul-2011 24
Added Table 12: Memory cell characteristics.
Updated:
– Section 1: Description
– Table 6: Absolute maximum ratings
–I
CC0
maximum value in Table 14: DC characteristics (voltage range W,
device grade 6), Table 15: DC characteristics (voltage range R) and
Table 16: DC characteristics (voltage range F)
Deleted all references to package SO8 (MW) 208 mils width.