M50FW040K1 STMicroelectronics, M50FW040K1 Datasheet - Page 16

• Manufacturer Part Number: M50FW040K1
• Description: Flash 3.6V 4M (512Kx8)
• Manufacturer: STMicroelectronics

Specifications of M50FW040K1

• Data Bus Width: 8 bit
• Memory Type: NOR
• Memory Size: 4 Mbit
• Architecture: Sectored
• Interface Type: Firmware Hub
• Access Time: 11 ns, 50 ns
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 3 V
• Maximum Operating Current: 20 mA
• Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Package / Case: PLCC-32
• Organization: 512 KB x 8
• Lead Free Status / Rohs Status: No

M50FW040
Table 7. Commands
Note: X Don’t Care, PA Program Address, PD Program Data, BA Any address in the Block.
16/41
Read Memory Array
Read Status Register
Read Electronic Signature
Program
Erase
Clear Status Register
Program/Erase Suspend
Program/Erase Resume
Invalid/Reserved
Read Memory Array. After a Read Memory Array command, read the memory as normal until another command is issued.
Read Status Register. After a Read Status Register command, read the Status Register as normal until another command is issued.
Read Electronic Signature. After a Read Electronic Signature command, read Manufacturer Code, Device Code until another com-
mand is issued.
Erase, Program. After these commands read the Status Register until the command completes and another command is issued.
Clear Status Register. After the Clear Status Register command bits 1, 3, 4 and 5 in the Status Register are reset to ‘0’.
Program/Erase Suspend. After the Program/Erase Suspend command has been accepted, issue Read Memory Array, Read Status
Register, Program (during Erase suspend) and Program/Erase resume commands.
Program/Erase Resume. After the Program/Erase Resume command the suspended Program/Erase operation resumes, read the
Status Register until the Program/Erase Controller completes and the memory returns to Read Mode.
Invalid/Reserved. Do not use Invalid or Reserved commands.
Command
1
1
1
1
2
2
2
1
1
1
1
1
1
1
1
Address
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
1st
Data
D0h
C0h
FFh
B0h
2Fh
70h
90h
98h
40h
10h
20h
50h
00h
01h
60h
Bus Write Operations
Address
BA
PA
PA
2nd
Data
D0h
PD
PD