參數(shù)資料
型號(hào)： AM49BDS640AHD9I
廠(chǎng)商： SPANSION LLC
元件分類(lèi)： 存儲(chǔ)器
英文描述： Stacked Multichip Package (MCP), Flash Memory and pSRAM CMOS 1.8 Volt-only Simultaneous Read/Write
中文描述： SPECIALTY MEMORY CIRCUIT, PBGA89
封裝： 10 X 8 MM, FBGA-89
文件頁(yè)數(shù)： 69/84頁(yè)
文件大?。?/td> 763K
代理商： AM49BDS640AHD9I
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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