參數(shù)資料
型號(hào): S29AL004D90TFI020
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: 256K X 16 FLASH 3V PROM, 90 ns, PDSO48
封裝: MO-142DD, LEAD FREE, TSOP-48
文件頁數(shù): 46/55頁
文件大?。?/td> 1481K
代理商: S29AL004D90TFI020
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)
相關(guān)PDF資料
PDF描述
S29AL004D90TFI022 4 Megabit (512 Kx 8-Bit/256 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory
S29AL004D90TFI023 4 Megabit (512 Kx 8-Bit/256 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory
S29AL004D70BAI010 4 Megabit (512 Kx 8-Bit/256 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory
S29AL004D70BAI012 4 Megabit (512 Kx 8-Bit/256 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory
S29AL004D70BAI013 4 Megabit (512 Kx 8-Bit/256 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory
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