M29W400DB45N6E NUMONYX, M29W400DB45N6E Datasheet - Page 44

• 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 20. Programmer equipment chip unprotect flowchart
NO
E, G = V IH
A9 = V IH
= 1000
FAIL
++n
YES
ADDRESS = CURRENT BLOCK ADDRESS
PROTECT ALL BLOCKS
CURRENT BLOCK = 0
A0 = V IL , A1, A6 = V IH
NO
A6, A12, A15 = V IH
E, G, A9 = V ID
Read DATA
Wait 10 ms
E, G = V IH
Wait 60 ns
Wait 4 µs
Wait 4 µs
W = V IH
W = V IL
G = V IL
START
E = V IL
DATA
n = 0
00h
=
YES
E, G = V IH
A9 = V IH
BLOCK
PASS
LAST
YES
CURRENT BLOCK
INCREMENT
NO
AI03470