AM49DL640BG25IS SPANSION [SPANSION], AM49DL640BG25IS Datasheet - Page 47
AM49DL640BG25IS
Manufacturer Part Number
AM49DL640BG25IS
Description
Stacked Multi-Chip Package (MCP) Flash Memory and SRAM
Manufacturer
SPANSION [SPANSION]
Datasheet
1.AM49DL640BG25IS.pdf
(62 pages)
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FLASH AC CHARACTERISTICS
Note: VA = Valid address. Illustration shows first status cycle after command sequence, last status read cycle, and array data
read cycle.
46
Addresses
Addresses
DQ0–DQ6
RY/BY#
WE#
Data
CE#f
OE#
CE#f
WE#
DQ7
OE#
WE# Controlled Write Cycle
t
WPH
t
t
BUSY
CH
Figure 22. Data# Polling Timings (During Embedded Algorithms)
t
OEH
Valid PA
t
t
WC
t
WP
AH
t
t
Figure 21. Back-to-back Read/Write Cycle Timings
DS
ACC
Valid
t
CE
In
t
VA
t
RC
OE
t
DH
Complement
Status Data
t
OEH
P R E L I M I N A R Y
Valid RA
t
SR/W
t
OH
t
t
ACC
t
RC
t
DF
CE
t
Am49DL640BG
OE
Read Cycle
Valid
Out
t
OH
VA
Complement
Status Data
t
DF
t
GHWL
t
True
WC
Valid PA
True
Valid
CE#f Controlled Write Cycles
In
t
CPH
VA
Valid PA
Valid Data
Valid Data
t
WC
Valid
In
t
CP
March 8, 2002
High Z
High Z
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