M29F800DB55N6 NUMONYX, M29F800DB55N6 Datasheet - Page 49

• Manufacturer Part Number: M29F800DB55N6
• Description: IC FLASH 8MBIT 55NS 48TSOP
• Manufacturer: NUMONYX

Specifications of M29F800DB55N6

• Format - Memory: FLASH
• Memory Type: FLASH - Nor
• Memory Size: 8M (1M x 8 or 512K x 16)
• Speed: 55ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-TSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

M29F800DT
Figure 17. 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
A6, A12, A15 = V IH (1)
NO
E, G, A9 = V ID
Read DATA
Wait 10ms
E, G = V IH
Wait 60ns
Wait 4µs
Wait 4µs
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
Block protection
AI03470
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