參數(shù)資料
型號(hào): AM49DL640BH
英文描述: Am49DL640BH - Stacked Multi-Chip Package (MCP) Flash Memory and SRAM
中文描述: Am49DL640BH -堆疊式多芯片封裝(MCP)閃存和SRAM
文件頁(yè)數(shù): 48/62頁(yè)
文件大小: 933K
代理商: AM49DL640BH
46
Am49DL3208G
September 19, 2003
A D V A N C E I N F O R M A T I O N
FLASH AC CHARACTERISTICS
OE#
WE#
Addresses
t
OH
Data
Valid
In
Valid
In
Valid PA
Valid RA
t
WC
t
WPH
t
AH
t
WP
t
DS
t
DH
t
RC
t
CE
Valid
Out
t
OE
t
ACC
t
OEH
t
GHWL
t
DF
Valid
In
CE#f Controlled Write Cycles
WE# Controlled Write Cycle
Valid PA
Valid PA
t
CP
t
CPH
t
WC
t
WC
Read Cycle
t
SR/W
CE#f
Figure 23.
Back-to-back Read/Write Cycle Timings
WE#
CE#f
OE#
High Z
t
OE
High Z
DQ7
DQ0–DQ6
RY/BY#
t
BUSY
Complement
True
Addresses
VA
t
OEH
t
CE
t
CH
t
OH
t
DF
VA
VA
Status Data
Complement
Status Data
True
Valid Data
Valid Data
t
ACC
t
RC
Note:
VA = Valid address. Illustration shows first status cycle after command sequence, last status read cycle, and array data
read cycle.
Figure 24.
Data# Polling Timings (During Embedded Algorithms)
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