M29W640FB70N6E NUMONYX, M29W640FB70N6E Datasheet - Page 67

• Manufacturer Part Number: M29W640FB70N6E
• Description: IC FLASH 64MBIT 70NS 48TSOP
• Manufacturer: NUMONYX
• Series: Axcell™r

Specifications of M29W640FB70N6E

• Format - Memory: FLASH
• Memory Type: FLASH - Nor
• Memory Size: 64M (8Mx8, 4Mx16)
• Speed: 70ns
• Interface: Parallel
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-TSOP
• Supply Voltage Range: 2.7V To 3.6V
• Memory Case Style: TSOP
• No. Of Pins: 48
• Access Time: 70ns
• Base Number: 29
• Ic Generic Number: 29W640
• Memory Configuration: 8M X 8, 4M X 16
• Interface Type: CFI, Parallel
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-5031; 497-5031

Figure 17. Programmer Equipment Chip Unprotect flowchart
1. Block Protection Groups are shown in
NO
E, G = V IH
A9 = V IH
= 1000
FAIL
++n
YES
ADDRESS = CURRENT GROUP ADDRESS
A6 =V IH,
A0, A2, A3 = V IL , A1 =V IH ,
Appendix
PROTECT ALL GROUPS
CURRENT GROUP = 0
A6, A12, A15 = V IH (1)
NO
E, G, A9 = V ID
Read DATA
A9 = VID,
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
A, Tables
n = 0
00h
=
Others = X
YES
21
and 22.
E, G = V IH
A9 = V IH
GROUP
PASS
LAST
YES
CURRENT GROUP
INCREMENT
NO
AI11556b
67/71