M29W640FT70N6E Micron Technology Inc, M29W640FT70N6E Datasheet - Page 67

• Manufacturer Part Number: M29W640FT70N6E
• Manufacturer: Micron Technology Inc

Specifications of M29W640FT70N6E

• Cell Type: NOR
• Density: 64Mb
• Access Time (max): 70ns
• Interface Type: Parallel
• Boot Type: Top
• Address Bus: 23/22Bit
• Operating Supply Voltage (typ): 3/3.3V
• Operating Temp Range: -40C to 85C
• Package Type: TSOP
• Sync/async: Asynchronous
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (min): 2.7V
• Operating Supply Voltage (max): 3.6V
• Word Size: 8/16Bit
• Number Of Words: 8M/4M
• Supply Current: 10mA
• Mounting: Surface Mount
• Pin Count: 48
• Lead Free Status / Rohs Status: Compliant

Figure 17. Programmer Equipment Chip Unprotect flowchart
1. Block Protection Groups are shown in
NO
E, G = V IH
A9 = V IH
= 1000
FAIL
++n
YES
ADDRESS = CURRENT GROUP ADDRESS
A6 =V IH,
A0, A2, A3 = V IL , A1 =V IH ,
Appendix
PROTECT ALL GROUPS
CURRENT GROUP = 0
A6, A12, A15 = V IH (1)
NO
E, G, A9 = V ID
Read DATA
A9 = VID,
Wait 10ms
E, G = V IH
Wait 60ns
Wait 4µs
Wait 4µs
W = V IH
W = V IL
G = V IL
START
E = V IL
DATA
A, Tables
n = 0
00h
=
Others = X
YES
21
and 22.
E, G = V IH
A9 = V IH
GROUP
PASS
LAST
YES
CURRENT GROUP
INCREMENT
NO
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