M29W400FB55N3F NUMONYX, M29W400FB55N3F Datasheet - Page 53

• Manufacturer Part Number: M29W400FB55N3F
• Description: IC FLASH 4MBIT 55NS 3V 48TSOP
• Manufacturer: NUMONYX
• Series: Axcell™r

Specifications of M29W400FB55N3F

• Format - Memory: FLASH
• Memory Type: FLASH - Nor
• Memory Size: 4M (512K x 8 or 256K x 16)
• Speed: 55ns
• Interface: Parallel
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 48-TSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 22. In-system equipment block protect flowchart
ADDRESS = BLOCK ADDRESS
ADDRESS = BLOCK ADDRESS
ADDRESS = BLOCK ADDRESS
ADDRESS = BLOCK ADDRESS
A0 = V IL , A1 = V IH , A6 = V IL
A0 = V IL , A1 = V IH , A6 = V IL
A0 = V IL , A1 = V IH , A6 = V IL
A0 = V IL , A1 = V IH , A6 = V IL
ISSUE READ/RESET
READ DATA
WRITE 60h
WRITE 60h
WRITE 40h
COMMAND
Wait 100µs
RP = V ID
RP = V IH
Wait 4µs
START
DATA
PASS
n = 0
01h
=
YES
NO
ISSUE READ/RESET
COMMAND
RP = V IH
FAIL
= 25
++n
YES
NO
AI03471
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