P R E L I M I N A R Y
Table Of Contents
Product Selector Guide . . . . . . . . . . . . . . . . . . . . . 4
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Connection Diagrams . . . . . . . . . . . . . . . . . . . . . . 5
Special Handling Instructions for FBGA Package ..............7
Pin Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . 7
Logic Symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . 8
Standard Products ......................................................................8
Valid Combinations . . . . . . . . . . . . . . . . . . . . . . . . . 9
Device Bus Operations . . . . . . . . . . . . . . . . . . . . . .10
Table 1. Am29LV800D Device Bus Operations .10
Word/Byte Configuration ...................................................... 10
Requirements for Reading Array Data ............................... 10
Writing Commands/Command Sequences .........................11
Program and Erase Operation Status ...................................11
Standby Mode ..............................................................................11
Automatic Sleep Mode ..............................................................11
RESET#: Hardware Reset Pin .................................................11
Output Disable Mode ...............................................................12
Table 2. Am29LV800DT Top Boot Block
Sector Addresses ........................................12
Table 3. Am29LV800DB Bottom Boot Block
Sector Addresses ........................................13
Autoselect Mode ........................................................................13
Table 4. Am29LV800D Autoselect Codes
(High Voltage Method) ................................14
Sector Protection/Unprotection .......................................... 14
Temporary Sector Unprotect ............................................... 14
Figure 1. Temporary Sector Unprotect
Absolute Maximum Ratings . . . . . . . . . . . . . . . . 27
Operating Ranges. . . . . . . . . . . . . . . . . . . . . . . . . 27
DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . .28
CMOS Compatible .................................................................. 28
Figure 1. I
Current vs. Time (Showing Active
CC1
and Automatic Sleep Currents) .................... 29
Figure 1. Typical I vs. Frequency ............. 29
CC1
Test Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Figure 1. Test Setup................................... 30
Table 7. Test Specifications ........................................30
Key to Switching Waveforms. . . . . . . . . . . . . . . . 30
Figure 1. Input Waveforms and
Measurement Levels................................... 30
AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . 31
Read Operations ........................................................................31
Figure 1. Read Operations Timings............... 31
Hardware Reset (RESET#) ....................................................32
Figure 1. RESET# Timings........................... 32
Word/Byte Configuration (BYTE#) ..................................33
Figure 1. BYTE# Timings for Read
Operations................................................ 34
Figure 1. BYTE# Timings for Write
Operations................................................ 34
Erase/Program Operations ....................................................35
Figure 1. Program Operation Timings............ 36
Figure 1. Chip/Sector Erase Operation
Timings .................................................... 37
Figure 1. Data# Polling Timings (During
Embedded Algorithms) ............................... 38
Figure 1. Toggle Bit Timings (During
Operation.................................................. 15
Figure 2. In-System Sector Protect/
Embedded Algorithms) ............................... 38
Figure 1. DQ2 vs. DQ6 ............................... 39
Temporary Sector Unprotect ...............................................39
Figure 1. Temporary Sector Unprotect
Timing Diagram......................................... 39
Figure 1. Sector Protect/Unprotect
Timing Diagram......................................... 40
Alternate CE# Controlled
Erase/Program Operations .................................................... 41
Figure 1. Alternate CE# Controlled Write
Operation Timings...................................... 42
Erase and Programming Performance . . . . . . . . .43
Latchup Characteristics . . . . . . . . . . . . . . . . . . . . 43
TSOP and SO Pin Capacitance . . . . . . . . . . . . . . 43
Data Retention . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Physical Dimensions* . . . . . . . . . . . . . . . . . . . . . . .44
TS 048—48-Pin Standard TSOP ........................................ 44
TSR048—48-Pin Reverse TSOP .........................................45
FBB 048—48-Ball Fine-Pitch Ball Grid Array
(FBGA) 6 x 9 mm ................................................................... 46
Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . . 47
VBK 048 - 48 Ball Fine-Pitch Ball Grid Array
(FBGA) 6.15 x 8.15 mm .............................................................47
SO 044—44-Pin Small Outline Package ..........................48
Revision Summary . . . . . . . . . . . . . . . . . . . . . . . . .49
Sector Unprotect Algorithms ........................ 16
Hardware Data Protection .....................................................17
Command Definitions . . . . . . . . . . . . . . . . . . . . . . 17
Reading Array Data ...................................................................17
Reset Command .........................................................................17
Autoselect Command Sequence .......................................... 18
Word/Byte Program Command Sequence ....................... 18
Figure 1. Program Operation ........................ 19
Chip Erase Command Sequence .......................................... 19
Sector Erase Command Sequence ...................................... 19
Erase Suspend/Erase Resume Commands ....................... 20
Figure 1. Erase Operation ............................ 21
Table 5. Am29LV800D Command Definitions ..21
Write Operation Status . . . . . . . . . . . . . . . . . . . . 22
DQ7: Data# Polling ..................................................................22
Figure 1. Data# Polling Algorithm ................. 23
RY/BY#: Ready/Busy# .............................................................23
DQ6: Toggle Bit I ......................................................................24
DQ2: Toggle Bit II .....................................................................24
Reading Toggle Bits DQ6/DQ2 ............................................24
DQ5: Exceeded Timing Limits ..............................................25
DQ3: Sector Erase Timer .......................................................25
Figure 1. Toggle Bit Algorithm ...................... 25
Table 6. Write Operation Status ....................26
January 21, 2005 Am29LV800D_00_A4_E
Am29LV800D
3
AMD [ AMD ]
