參數(shù)資料
型號： AM49BDS640AH
廠商： Spansion Inc.
英文描述： Stacked Multichip Package (MCP), Flash Memory and pSRAM CMOS 1.8 Volt-only Simultaneous Read/Write
中文描述： 堆疊多芯片封裝（MCP），閃存和1.8伏，只有同時(shí)讀/寫移動(dòng)存儲芯片的CMOS
文件頁數(shù)： 69/84頁
文件大?。?/td> 763K
代理商： AM49BDS640AH
December 5, 2003
Am49BDS640AH
67
A D V A N C E I N F O R M A T I O N
AC CHARACTERISTICS
Notes:
1. Status reads in figure are shown as asynchronous.
2. VA = Valid Address. Two read cycles are required to determine status. When the Embedded Algorithm operation is complete,
and Data# Polling will output true data.
3. While in Asynchronous mode, RDY will be low while the device is in embedded erase or programming mode.
Figure 37.
Data# Polling Timings (During Embedded Algorithm)
Notes:
1. Status reads in figure are shown as asynchronous.
2. VA = Valid Address. Two read cycles are required to determine status. When the Embedded Algorithm operation is complete,
the toggle bits will stop toggling.
3. While in Asynchronous mode, RDY will be low while the device is in embedded erase or programming mode.
Figure 38.
Toggle Bit Timings (During Embedded Algorithm)
WE#
CE#
OE#
t
OE
Addresses
AVD#
t
OEH
t
CE
t
CH
t
OEZ
t
CEZ
Status Data
Status Data
t
ACC
VA
VA
Data
WE#
CE#
OE#
t
OE
Addresses
AVD#
t
OEH
t
CE
t
CH
t
OEZ
t
CEZ
Status Data
Status Data
t
ACC
VA
VA
Data
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