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(yè)數(shù): 36/49頁(yè)
文件大?。?/td> 833K
代理商: AM29BDS643GT7GVAF
May 8, 2006 25692A2
Am29BDS643G
39
D A TA
SH EE T
AC CHARACTERISTICS
Notes:
1. SA is the sector address for Sector Erase.
2. Address bits A16–A21 are don’t cares during unlock cycles in the command sequence.
Figure 14.
Chip/Sector Erase Operations
OE#
CE#
A/DQ0:
A/DQ15
A16:A21
AVD
WE#
CLK
VCC
2AAh
55h
30h
tAS
tWP
tAH
tWC
tWPH
SA
tVCS
tCS
tDH
tCH
In
Progress
tWHWH2
VA
Complete
VA
Erase Command Sequence (last two cycles)
Read Status Data
tDS
10h for
chip erase
555h for
chip erase
VIH
VIL
tAVDP
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