M29W400DB45N6E NUMONYX, M29W400DB45N6E Datasheet - Page 43

• 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

Figure 19. Programmer equipment block protect flowchart
ADDRESS = BLOCK ADDRESS
A0, A6 = V IL ,
G, A9 = V ID ,
Wait 100 µs
Read DATA
E, G = V IH ,
E, G = V IH
Wait 60 ns
Wait 4 µs
Wait 4 µs
A1 = V IH
A9 = V IH
W = V IH
W = V IH
W = V IL
START
E = V IL
E = V IL
G = V IL
DATA
PASS
n = 0
01h
=
YES
NO
E, G = V IH
A9 = V IH
FAIL
= 25
++n
YES
NO
AI03469
43/48