M29F400FB55M3F2 Micron Technology Inc, M29F400FB55M3F2 Datasheet - Page 62
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M29F400FB55M3F2
Manufacturer Part Number
M29F400FB55M3F2
Description
Manufacturer
Micron Technology Inc
Datasheet
1.M29F400FB55M3F2.pdf
(67 pages)
Specifications of M29F400FB55M3F2
Cell Type
NOR
Density
4Mb
Access Time (max)
55ns
Interface Type
Parallel
Boot Type
Bottom
Address Bus
19/18Bit
Operating Supply Voltage (typ)
5V
Operating Temp Range
-40C to 125C
Package Type
SO W
Program/erase Volt (typ)
4.5 to 5.5V
Sync/async
Asynchronous
Operating Temperature Classification
Automotive
Operating Supply Voltage (min)
4.5V
Operating Supply Voltage (max)
5.5V
Word Size
8/16Bit
Number Of Words
512K/256K
Supply Current
20mA
Mounting
Surface Mount
Pin Count
44
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
M29F400FB55M3F2
Manufacturer:
ST
Quantity:
220
62/67
Figure 27. Programmer Equipment Block Protect Flowchart
Address Inputs A19-A12 give the address of the block that is to be protected. It is imperative that they remain
During the Protect and Verify phases of the algorithm, Chip Enable E must be kept Low, V
stable during the operation.
ADDRESS = BLOCK ADDRESS
A0, A6 = V IL ,
G, A9 = V ID ,
Wait 100µs
Read DATA
E, G = V IH ,
Wait 60ns
E, G = V IH
Wait 4µs
A1 = V IH
Wait 4µs
A9 = V IH
W = V IH
W = V IH
W = V IL
G = V IL
E = V IL
E = V IL
START
DATA
n = 0
PASS
01h
=
YES
NO
E, G = V IH
A9 = V IH
= 25
FAIL
++n
YES
NO
IL
.
AI03469b