M29W400DB45N6E NUMONYX, M29W400DB45N6E Datasheet - Page 46

• Manufacturer Part Number: M29W400DB45N6E
• Description: MEMORY, FLASH, NOR, 4MB, B/B, 48TSOP
• Manufacturer: NUMONYX

Specifications of M29W400DB45N6E

• Memory Size: 4Mbit
• Supply Voltage Range: 2.7V To 3.6V
• Memory Case Style: TSOP
• No. Of Pins: 48
• Operating Temperature Range: -40°C To +85°C
• Package / Case: TSOP
• Access Time: 45ns
• Memory: RoHS Compliant
• Memory Type: Flash - Boot Block
• Memory Configuration: 512K X 8, 256K X 16
• Interface Type: Parallel
• Rohs Compliant: Yes

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Figure 22. In-system equipment chip unprotect flowchart
ISSUE READ/RESET
NO
COMMAND
RP = V IH
= 1000
FAIL
++n
YES
ADDRESS = CURRENT BLOCK ADDRESS
ADDRESS = CURRENT BLOCK ADDRESS
A0 = V IL , A1 = V IH , A6 = V IH
A0 = V IL , A1 = V IH , A6 = V IH
A0 = V IL , A1 = V IH , A6 = V IH
A0 = V IL , A1 = V IH , A6 = V IH
PROTECT ALL BLOCKS
CURRENT BLOCK = 0
ANY ADDRESS WITH
ANY ADDRESS WITH
NO
READ DATA
WRITE 60h
WRITE 60h
WRITE 40h
Wait 10 ms
RP = V ID
Wait 4 µs
START
DATA
n = 0
00h
=
YES
ISSUE READ/RESET
COMMAND
RP = V IH
BLOCK
PASS
LAST
YES
CURRENT BLOCK
INCREMENT
NO
AI03472