m45pe40 STMicroelectronics, m45pe40 Datasheet - Page 45

• Manufacturer Part Number: m45pe40
• Description: 4 Mbit, Low Voltage, Page-erasable Serial Flash Memory With Byte-alterability And A 50 Mhz Spi Bus Interface
• Manufacturer: STMicroelectronics

M45PE40
13
Revision history
Table 20.
04-Dec-2003
31-Mar-2004
05-Aug-2004
23-Jan-2004
11-Jan-2005
18-Jan-2007
4-Oct-2005
Date
Document revision history
Version
1.2
2.0
3.0
4.0
5.0
6.0
7
First public release
SO16 pin-out corrected
Soldering temperature information clarified for RoHS compliant devices.
Device grade information clarified
Device grade information further clarified
Document promoted to Mature Datasheet. Minor wording changes.
Notes 1 and 2 removed from
SO16 package removed and SO8 wide package added.
Added
data,
(PP)
Program instructions. Updated I
characteristics. Updated
Ecopack® information added.
50 MHz frequency added.
descriptions added.
Figure 3: Bus master and memory devices on the SPI bus
explanatory paragraph added.
At Power-up
V
t
MHz operation)
SO8N package added, SO8W and VFQFPN package specifications
updated (see
Blank option removed below
information
RLRH
IO
max modified in
sections updated to explain optimal use of Page Write and Page
, t
A fast way to modify
AC characteristics (33 MHz
RHSL
scheme.
The Write In Progress (WIP) bit is reset.
and t
Section 11: Package
and,
SHSR
Table 7: Absolute maximum
Table 15: Reset conditions
removed from
Table 19: Ordering information
data,
V
CC
Plating technology
Table 19: Ordering information
Changes
supply voltage
CC3
Page Write (PW)
mechanical).
operation).
values in
Table 12: AC characteristics (25
Table 11: DC
and
An easy way to modify
in
added.
ratings.
and
Table 19: Ordering
V
SS
Revision history
Page Program
ground
scheme.
updated and
scheme.
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