A D V A N C E I N F O R M A T I O N
Figure 24. Alternate Synchronous Program Operation Timings ..... 51
Revision Summary . . . . . . . . . . . . . . . . . . . . . . . . 62
Table 9, Initial Access Cycles vs. Frequency ..........................62
Autoselect Command Sequence ............................................62
RDY: Ready ............................................................................62
DC Characteristics ..................................................................62
Figure 21, Figure 23 ...............................................................62
Figure 22, Figure 24 ...............................................................62
Table 1, Device Bus Operations .............................................62
Writing Commands/Command Sequences .............................62
AC Characteristics ..................................................................62
Figure 20, Asynchronous Program Operation Timings ...........62
Figure 21, Alternate Asynchronous Program Operation Timings
62
Figure 25. Chip/Sector Erase Command Sequence....................... 52
Figure 26. Accelerated Unlock Bypass Programming Timing......... 53
Figure 27. Data# Polling Timings (During Embedded Algorithm) ... 54
Figure 28. Toggle Bit Timings (During Embedded Algorithm)......... 54
Figure 29. Synchronous Data Polling Timings/Toggle Bit Timings . 55
Figure 30. Latency with Boundary Crossing ................................... 56
Figure 31. Latency with Boundary Crossing
into Program/Erase Bank................................................................ 57
Figure 32. Example of Wait States Insertion
(Non-Handshaking Device)............................................................. 58
Figure 33. Back-to-Back Read/Write Cycle Timings....................... 59
Erase and Programming Performance . . . . . . . .60
Data Retention . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Physical Dimensions* . . . . . . . . . . . . . . . . . . . . . .61
FBE080—80-ball Fine-Pitch Ball Grid Array (FBGA) 11
x 12 mm Package ..................................................................61
Figure 22, Synchronous Program Operation Timings ............62
Figure 23, Alternate Synchronous Program Operation Timings .
62
4
Am29BDS640G
May 9, 2002
SPANSION [ SPANSION ]
