M28W640ECB90N6 STMicroelectronics, M28W640ECB90N6 Datasheet - Page 8

• Manufacturer Part Number: M28W640ECB90N6
• Description: IC FLASH 64MBIT 90NS 48TSOP
• Manufacturer: STMicroelectronics

Specifications of M28W640ECB90N6

• Format - Memory: FLASH
• Memory Type: FLASH - Nor
• Memory Size: 64M (4M x 16)
• Speed: 90ns
• Interface: Parallel
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-TSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-1698

M28W640ECT, M28W640ECB
Figure 5. Block Addresses
Note: Also see Appendix A, Tables 24 and 25 for a full listing of the Block Addresses.
Figure 6. Protection Register Memory Map
8/55
3FFFFF
3F8FFF
3F7FFF
00FFFF
3FF000
007FFF
3F8000
3F0000
008000
000000
Top Boot Block Addresses
M28W640ECT
32 KWords
32 KWords
32 KWords
4 KWords
4 KWords
8Ch
85h
84h
81h
80h
Protection Register Lock
4 KWord Blocks
32 KWord Blocks
User Programmable OTP
PROTECTION REGISTER
Total of 127
Total of 8
Unique device number
3FFFFF
3F7FFF
00FFFF
007FFF
3F8000
3F0000
008000
007000
000FFF
000000
Bottom Boot Block Addresses
1
0
M28W640ECB
32 KWords
32 KWords
4 KWords
32 KWords
4 KWords
4 KWord Blocks
32 KWord Blocks
AI04386b
Total of 127
Total of 8
AI05520b