參數(shù)資料
型號: S29AL004D70TFI022
廠商: SPANSION LLC
元件分類: DRAM
英文描述: 4 Megabit (512 Kx 8-Bit/256 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory
中文描述: FLASH 3V PROM, PDSO48
封裝: LEAD FREE, TSOP-48
文件頁數(shù): 46/55頁
文件大?。?/td> 1481K
代理商: S29AL004D70TFI022
44
S29AL004D
S29AL004D_00_A1 February 18, 2005
A d v a n c e I n f o r m a t i o n
AC Characteristics
WE#
CE#
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 19. Data# Polling Timings (During Embedded Algorithms)
WE#
CE#
OE#
High Z
t
OE
DQ6/DQ2
RY/BY#
t
BUSY
Addresses
VA
t
OEH
t
CE
t
CH
t
OH
t
DF
VA
VA
t
ACC
t
RC
Valid Data
Valid Status
(stops toggling)
Valid Status
(first read)
(second read)
Valid Status
VA
Note:
VA = Valid address; not required for DQ6. Illustration shows first two status cycle after command sequence, last status
read cycle, and array data read cycle.
Figure 20. Toggle Bit Timings (During Embedded Algorithms)
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