參數(shù)資料
型號(hào): AM29BDS643GT7GVAF
廠商: SPANSION LLC
元件分類: PROM
英文描述: 4M X 16 FLASH 1.8V PROM, 70 ns, PBGA44
封裝: 9.20 X 8 MM, 0.50 MM PITCH, FBGA-44
文件頁數(shù): 41/49頁
文件大小: 833K
代理商: AM29BDS643GT7GVAF
44
Am29BDS643G
25692A2 May 8, 2006
D A TA
SH EE T
AC CHARACTERISTICS
Note: Breakpoints in waveforms indicate that system may alternately read array data from the “non-busy bank” while checking
the status of the program or erase operation in the “busy” bank. The system should read status twice to ensure valid information.
Figure 22.
Back-to-Back Read/Write Cycle Timings
OE#
CE#
WE#
tOEH
A/DQ0:
A/DQ15
A16:
A21
AVD#
PD/30h
PA/SA
AAh
555h
RA
PA/SA
tWC
tDS
tDH
tRC
tOE
tAS
tAH
tACC
tOEH
tWP
tGHWL
tOEZ
tWC
tSR/W
Last Cycle in
Program or
Sector Erase
Command Sequence
Read status (at least two cycles) in same bank
and/or array data from other bank
Begin another
write or program
command sequence
RD
RA
RD
tWPH
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