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M50FLW040A Datasheet(PDF) 7 Page - STMicroelectronics

Part # M50FLW040A
Description  4 Mbit (5 x 64KByte Blocks 3 x 16 x 4KByte Sectors) 3V Supply Firmware Hub / Low Pin Count Flash Memory
PDF  52 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M50FLW040A Datasheet(HTML) 7 Page - STMicroelectronics

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M50FLW040A, M50FLW040B
Figure 2. Logic Diagram (FWH/LPC Interface)
Note: 1. ID3 is Reserved for Future Use (RFU) in LPC mode.
Figure 3. Logic Diagram (A/A Mux Interface)
Table 1. Signal Names (FWH/LPC Interface)
Table 2. Signal Names (A/A Mux Interface)
AI08417B
4
FWH4/LFRAME
FWH0/LAD0
FWH3/LAD3
VCC
M50FLW040A
M50FLW040B
CLK
VSS
4
IC
RP
TBL
5
INIT
WP
ID0-ID31
GPI0-
GPI4
VPP
AI08418B
11
RC
DQ0-DQ7
VCC
M50FLW040A
M50FLW040B
IC
VSS
8
G
W
RB
RP
A0-A10
VPP
FWH0/LAD0-
FWH3/LAD3
Input/Output Communications
FWH4/
LFRAME
Input Communication Frame
ID0-ID3
Identification Inputs
GPI0-GPI4
General Purpose Inputs
IC
Interface Configuration
RP
Interface Reset
INIT
CPU Reset
CLK
Clock
TBL
Top Block Lock
WP
Write Protect
RFU
Reserved for Future Use. Leave
disconnected
VCC
Supply Voltage
VPP
Optional Supply Voltage for Fast
Program and Erase Operations
VSS
Ground
NC
Not Connected Internally
IC
Interface Configuration
A0-A10
Address Inputs
DQ0-DQ7
Data Inputs/Outputs
G
Output Enable
W
Write Enable
RC
Row/Column Address Select
RB
Ready/Busy Output
RP
Interface Reset
VCC
Supply Voltage
VPP
Optional Supply Voltage for Fast
Program and Erase Operations
VSS
Ground
NC
Not Connected Internally



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