M29W400DB70N6 NUMONYX, M29W400DB70N6 Datasheet - Page 43

• Manufacturer Part Number: M29W400DB70N6
• Description: IC FLASH 4MBIT 70NS 48TSOP
• Manufacturer: NUMONYX
• Series: Axcell™r

Specifications of M29W400DB70N6

• Format - Memory: FLASH
• Memory Type: FLASH - Nor
• Memory Size: 4M (512K x 8 or 256K x 16)
• Speed: 70ns
• Interface: Parallel
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-TSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

M29W400DT, M29W400DB
Figure 19. Programmer equipment block protect flowchart
ADDRESS = BLOCK ADDRESS
A0, A6 = V IL ,
G, A9 = V ID ,
Read DATA
Wait 100 µs
E, G = V IH ,
Wait 60 ns
E, G = V IH
Wait 4 µs
Wait 4 µs
A1 = V IH
A9 = V IH
W = V IH
W = V IH
W = V IL
G = V IL
START
E = V IL
E = V IL
DATA
PASS
n = 0
01h
=
YES
NO
E, G = V IH
A9 = V IH
FAIL
= 25
++n
YES
NO
Block protection
AI03469
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