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M50LPW012 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - 2 Mbit 256Kb x8/ Boot Block 3V Supply Low Pin Count Flash Memory - ST Microelectronics

भाग संख्या M50LPW012
समारोह 2 Mbit 256Kb x8/ Boot Block 3V Supply Low Pin Count Flash Memory
मैन्युफैक्चरर्स ST Microelectronics 
लोगो ST Microelectronics लोगो 
पूर्व दर्शन
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<?=M50LPW012?> डेटा पत्रक पीडीएफ

M50LPW012 pdf
M50LPW012
Figure 2. Logic Diagram (A/A Mux Interface)
VCC VPP
11
A0-A10
8
DQ0-DQ7
RC
M50LPW012
IC RB
G
W
RP
VSS
AI06950
Figure 3. PLCC Connections
A/A Mux
DESCRIPTION
The M50LPW012 is a 2Mbit (256Kb x8) non-
volatile memory that can be read, erased and
reprogrammed. These operations can be
performed using a single low voltage (3.0 to 3.6V)
supply. For fast programming and fast erasing in
production lines an optional 12V power supply can
be used to reduce the programming and the
erasing times.
The memory is divided into blocks that can be
erased independently so it is possible to preserve
valid data while old data is erased. Blocks can be
protected individually to prevent accidental
Program or Erase commands from modifying the
memory. Program and Erase commands are
written to the Command Interface of the memory.
An on-chip Program/Erase Controller simplifies
the process of programming or erasing the
memory by taking care of all of the special
operations that are required to update the memory
contents. The end of a program or erase operation
can be detected and any error conditions
identified. The command set required to control
the memory is consistent with JEDEC standards.
Two different bus interfaces are supported by the
memory. The primary interface is the Low Pin
Count (or LPC) Standard Interface. This has been
designed to remove the need for the ISA bus in
A/A Mux
A7
A6
A5
A4
A3
A2
A1
A0
DQ0
GPI1
GPI0
WP
TBL
ID3
ID2
ID1
ID0
LAD0
9
1 32
M50LPW012
17
IC (VIL)
NC
NC
VSS
25 VCC
INIT
LFRAME
RFU
RFU
IC (VIH)
NC
NC
VSS
VCC
G
W
RB
DQ7
A/A Mux
Note: Pins 27 and 28 are not internally connected.
2/35
A/A Mux
AI06951

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