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PDF M29W640GL Data sheet ( Hoja de datos )
| Número de pieza | M29W640GL | |
| Descripción | 64 Mbit 3V supply Flash memory | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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M29W640GH, M29W640GL
M29W640GT, M29W640GB
64 Mbit (8Mb x8 or 4Mb x16, Page)
3V supply Flash memory
Feature summary
■ Supply Voltage
– VCC = 2.7V to 3.6V for Program, Erase,
Read
– VPP =12V for Fast Program (optional)
■ Asynchronous Random/Page Read
– Page Width: 4 Words
– Page Access: 25ns
– Random Access: 60ns, 70ns
■ Fast Program commands
– 2 Words/4 Bytes Program (without
VPP=12V)
– 4 Words/8 Bytes Program (with VPP=12V)
– 16 Word/32 Byte Write Buffer
■ Programming time
– 10 µs per Byte/Word typical
– Chip Program time: 10s (using 4 Words
Program)
■ Memory organization
– M29W640GH/L:
128 Main Blocks, 64 KBytes each
– M29W640GT/B
Eight 8 KBytes Boot Blocks (top or bottom
location)
127 Main Blocks, 64 KBytes each
■ Program/Erase controller
– Embedded Byte/Word Program algorithms
■ Program/Erase Suspend and Resume
– Read from any Block during Program
Suspend
– Read and Program another Block during
Erase Suspend
■ Unlock Bypass Program command
– Faster Production/Batch Programming
■ VPP/WP pin for Fast Program and Write Protect
■ Temporary Block Unprotection mode
FBGA
TSOP48 (NA)
12 x 20mm
TFBGA48 (ZA)
6 x 8mm
FBGA
TSOP56 (NB)
14 x 20mm(1)
TBGA64 (ZF)
10 x 13mm(1)
1. Packages only available upon request.
■ Common Flash Interface
– 64-bit Security Code
■ 128 Word Extended Memory Block
– Extra block used as security block or to
store additional information
■ Low power consumption
– Standby and Automatic Standby
■ 100,000 Program/Erase cycles per block
■ ECOPACK® packages
■ Electronic Signature
– Manufacturer Code: 0020h
– Device code (see Table 1: Device codes)
August 2006
Rev 2
1/91
www.st.com
2
1 page  
M29W640GH, M29W640GL, M29W640GT, M29W640GB
Contents
9 Part numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Appendix A Block addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Appendix B Common Flash Interface (CFI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Appendix C Extended Memory Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
C.1 Factory Locked Extended Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
C.2 Customer Lockable Extended Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Appendix D Block Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
D.1 Programmer Technique . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
D.2 In-System Technique. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Appendix E Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
5/91
5 Page 
M29W640GH, M29W640GL, M29W640GT, M29W640GB
Summary description
Table 5. Protection granularity on the M29W640GB
Block KBytes/KWords Protection Block Group
(x8)
0 to 7
8 to 10
11 to 14
--
127 to 130
131 to 134
8x 8/4(1)
3 x 64/32
4 x 64/32
--
4 x 64/32
4 x 64/32
Block level
Protection Group
Protection Group
--
Protection Group
Protection Group
000000h–00FFFFh(2)
010000h-03FFFFh
040000h-07FFFFh
--
780000h-7BFFFFh
7C0000h–7FFFFFh
1. Boot blocks.
2. Used as the Extended Block Addresses in Extended Block mode.
(x16)
000000h–007FFFh(2)
008000h-01FFFFh
020000h-03FFFFh
--
3C0000h-3DFFFFh
3E0000h–3FFFFFh
Figure 2. TSOP48 connections
A15
A14
A13
A12
A11
A10
A9
A8
A19
A20
W
RP
A21
VPP/WP
RB
A18
A17
A7
A6
A5
A4
A3
A2
A1
1 48
12 M29W640GT 37
13 M29W640GB 36
M29W640GH
M29W640GL
24 25
A16
BYTE
VSS
DQ15A–1
DQ7
DQ14
DQ6
DQ13
DQ5
DQ12
DQ4
VCC
DQ11
DQ3
DQ10
DQ2
DQ9
DQ1
DQ8
DQ0
G
VSS
E
A0
AI12716
11/91
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet M29W640GL.PDF ] | |
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