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PDF AM29LV004B Data sheet ( Hoja de datos )
| Número de pieza | AM29LV004B | |
| Descripción | 4 Megabit (512 K x 8-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory | |
| Fabricantes | AMD | |
| Logotipo |  |
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Am29LV004B
Data Sheet
The Am29LV004B is not offered for new designs. Please contact a Spansion representative for alter-
nates.
The following document contains information on Spansion memory products. Although the document
is marked with the name of the company that originally developed the specification, Spansion will
continue to offer these products to existing customers.
Continuity of Specifications
There is no change to this data sheet as a result of offering the device as a Spansion product. Any
changes that have been made are the result of normal data sheet improvement and are noted in the
document revision summary, where supported. Future routine revisions will occur when appro and
changes will be noted in a revision summary.
Continuity of Ordering Part Numbers
Spansion continues to support existing part numbers beginning with “Am” and “MBM”. To order these
products, please use only the Ordering Part Numbers listed in this document.
For More Information
Please contact your local sales office for additional information about Spansion memory solutions.
Publication Number 21522 Revision D Amendment 5 Issue Date October 11, 2006
1 page  
DATA SHEET
TABLE OF CONTENTS
Product Selector Guide . . . . . . . . . . . . . . . . . . . . . 6
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Connection Diagrams . . . . . . . . . . . . . . . . . . . . . . . 7
Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Logic Symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . 8
Device Bus Operations . . . . . . . . . . . . . . . . . . . . . . 9
Table 1. Am29LV004B Device Bus Operations ................................ 9
Requirements for Reading Array Data ..................................... 9
Writing Commands/Command Sequences .............................. 9
Program and Erase Operation Status .................................... 10
Standby Mode ........................................................................ 10
Automatic Sleep Mode ........................................................... 10
RESET#: Hardware Reset Pin ............................................... 10
Output Disable Mode .............................................................. 10
Table 2. Am29LV004BT Top Boot Block Sector Address Table..... 11
Table 3. Am29LV004BB Bottom Boot Block Sector Address Table 11
Autoselect Mode ..................................................................... 12
Table 4. Am29LV004B Autoselect Codes (High Voltage Method).. 12
Sector Protection/Unprotection ............................................... 12
Temporary Sector Unprotect .................................................. 12
Figure 1. In-System Sector Protect/Unprotect Algorithms ...............13
Figure 2. Temporary Sector Unprotect Operation ...........................14
Hardware Data Protection ...................................................... 14
Low VCC Write Inhibit .............................................................. 14
Write Pulse “Glitch” Protection ............................................... 14
Logical Inhibit .......................................................................... 14
Power-Up Write Inhibit ............................................................ 14
Command Definitions . . . . . . . . . . . . . . . . . . . . . 14
Reading Array Data ................................................................ 14
Reset Command ..................................................................... 15
Autoselect Command Sequence ............................................ 15
Byte Program Command Sequence ....................................... 15
Unlock Bypass Command Sequence ..................................... 15
Figure 3. Program Operation ..........................................................16
Chip Erase Command Sequence ........................................... 16
Sector Erase Command Sequence ........................................ 16
Erase Suspend/Erase Resume Commands ........................... 17
Figure 4. Erase Operation ...............................................................17
Command Definitions ............................................................. 18
Table 5. Am29LV004B Command Definitions................................. 18
Write Operation Status . . . . . . . . . . . . . . . . . . . . . 19
DQ7: Data# Polling ................................................................. 19
Figure 5. Data# Polling Algorithm ...................................................19
RY/BY#: Ready/Busy# ............................................................ 20
DQ6: Toggle Bit I .................................................................... 20
DQ2: Toggle Bit II ................................................................... 20
Reading Toggle Bits DQ6/DQ2 ............................................... 20
DQ5: Exceeded Timing Limits ................................................ 21
DQ3: Sector Erase Timer ....................................................... 21
Figure 6. Toggle Bit Algorithm ........................................................ 21
Table 6. Write Operation Status..................................................... 22
Absolute Maximum Ratings . . . . . . . . . . . . . . . . 23
Figure 7. Maximum Negative Overshoot Waveform ...................... 23
Figure 8. Maximum Positive Overshoot Waveform ........................ 23
Operating Ranges . . . . . . . . . . . . . . . . . . . . . . . . . 23
DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 9. ICC1 Current vs. Time (Showing Active and Automatic
Sleep Currents) .............................................................................. 25
Figure 10. Typical ICC1 vs. Frequency ........................................... 25
Test Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Figure 11. Test Setup ..................................................................... 26
Table 7. Test Specifications ........................................................... 26
Key to Switching Waveforms. . . . . . . . . . . . . . . . 26
Figure 12. Input Waveforms and Measurement Levels ................. 26
AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . 27
Read Operations .................................................................... 27
Figure 13. Read Operations Timings ............................................. 27
Hardware Reset (RESET#) .................................................... 28
Figure 14. RESET# Timings .......................................................... 28
Erase/Program Operations ..................................................... 29
Figure 15. Program Operation Timings .......................................... 30
Figure 16. Chip/Sector Erase Operation Timings .......................... 31
Figure 17. Data# Polling Timings (During Embedded Algorithms) . 32
Figure 18. Toggle Bit Timings (During Embedded Algorithms) ...... 32
Figure 19. DQ2 vs. DQ6 ................................................................. 33
Temporary Sector Unprotect .................................................. 33
Figure 20. Temporary Sector Unprotect Timing Diagram .............. 33
Figure 21. Sector Protect/Unprotect Timing Diagram .................... 34
Alternate CE# Controlled Erase/Program Operations ............ 35
Figure 22. Alternate CE# Controlled Write Operation Timings ...... 36
Erase and Programming Performance . . . . . . . 37
Latchup Characteristics . . . . . . . . . . . . . . . . . . . . 37
TSOP and SO Pin Capacitance . . . . . . . . . . . . . . 37
Data Retention. . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . 38
TS 040—40-Pin Standard TSOP ............................................ 38
Revision Summary . . . . . . . . . . . . . . . . . . . . . . . . 39
21522D5 October 11, 2006
Am29LV004B
5
5 Page 
Sector
SA0
SA1
SA2
SA3
SA4
SA5
SA6
SA7
SA8
SA9
SA10
Sector
SA0
SA1
SA2
SA3
SA4
SA5
SA6
SA7
SA8
SA9
SA10
DATA SHEET
Table 2. Am29LV004BT Top Boot Block Sector Address Table
A18 A17 A16 A15 A14 A13
0 0 0XXX
0 0 1XXX
0 1 0XXX
0 1 1XXX
1 0 0XXX
1 0 1XXX
1 1 0XXX
1 1 1 0XX
111100
111101
11111X
Sector Size
(Kbytes)
64
64
64
64
64
64
64
32
8
8
16
Address Range
(in hexadecimal)
00000h-0FFFFh
10000h-1FFFFh
20000h-2FFFFh
30000h-3FFFFh
40000h-4FFFFh
50000h-5FFFFh
60000h-6FFFFh
70000h-77FFFh
78000h-79FFFh
7A000h-7BFFFh
7C000h-7FFFFh
Table 3. Am29LV004BB Bottom Boot Block Sector Address Table
A18 A17 A16 A15 A14 A13
Sector Size
(Kbytes)
Address Range
(in hexadecimal)
00000X
16
00000h-03FFFh
000010
8
04000h-05FFFh
000011
8
06000h-07FFFh
0 0 0 1XX
32
08000h-0FFFFh
0 0 1XXX
64
10000h-1FFFFh
0 1 0XXX
64
20000h-2FFFFh
0 1 1XXX
64
30000h-3FFFFh
1 0 0XXX
64
40000h-4FFFFh
1 0 1XXX
64
50000h-5FFFFh
1 1 0XXX
64
60000h-6FFFFh
1 1 1XXX
64
70000h-7FFFFh
21522D5 October 11, 2006
Am29LV004B
11
11 Page | ||
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| PDF Descargar | [ Datasheet AM29LV004B.PDF ] | |
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