參數(shù)資料
型號(hào)： M58LW032C110ZA1E
廠商： 意法半導(dǎo)體
英文描述： 32 Mbit 2Mb x16, Uniform Block, Burst 3V Supply Flash Memory
中文描述： 32兆位的2Mb x16插槽，統(tǒng)一座，突發(fā)3V電源快閃記憶體
文件頁(yè)數(shù)： 13/61頁(yè)
文件大小： 845K
代理商： M58LW032C110ZA1E
13/61
M58LW032C
BUS OPERATIONS
There are six standard bus operations that control
the device. These are Address Latch, Bus Read,
Bus Write, Output Disable, Power-Down and
Standby. See Table 2, Bus Operations, for a sum-
mary.
Typically glitches of less than 5ns on Chip Enable
or Write Enable are ignored by the memory and do
not affect Bus Write operations.
Address Latch.
Address latch operations input
valid addresses.
A valid bus operation involves setting the desired
address on the Address Inputs, setting Chip En-
able and Latch Enable Low, V
IL
and keeping Write
Enable High, V
IH
; the address is latched on the ris-
ing edge of Address Latch.
Bus Read.
Bus Read operations are used to out-
put the contents of the Memory Array, the Elec-
tronic Signature, the Status Register, the Common
Flash Interface and the Block Protection Status.
A valid bus operation involves setting the desired
address on the Address Inputs, applying a Low
signal, V
IL
, to Chip Enable, Output Enable and
Latch Enable and keeping Write Enable High, V
IH
.
The data read depends on the previous command
written to the memory (see Command Interface
section). See Figures 11, 12, 13, 18 and 19 Read
AC Waveforms, and Tables 15, 16, 17 and 20
Read AC Characteristics, for details of when the
output becomes valid.
Bus Write.
Bus Write operations write Com-
mands to the memory or latch addresses and input
data to be programmed.
A valid Bus Write operation begins by setting the
desired address on the Address Inputs and setting
Latch Enable Low, V
IL
. The Address Inputs are
latched by the Command Interface on the rising
edge of Chip Enable or Write Enable, whichever
occurs first. The Data Inputs/Outputs are latched
by the Command Interface on the rising edge of
Chip Enable or Write Enable, whichever occurs
first. Output Enable must remain High, V
IH
, during
the Bus Write operation.
See Figures 14, 15, 16 and 17, Write AC Wave-
forms, and Tables 18 and 19, Write AC Character-
istics, for details of the timing requirements.
Output Disable.
The The Data Inputs/Outputs
are high impedance when the Output Enable is at
V
IH
.
Power-Down.
The memory is in Power-Down
mode when Reset/Power-Down, RP, is Low. The
power consumption is reduced to the Power-Down
level, I
DD2
, and the outputs are high impedance,
independent of Chip Enable, Output Enable or
Write Enable.
Standby.
Standby disables most of the internal
circuitry, allowing a substantial reduction of the
current consumption. The memory is in standby
when Chip Enable is at V
IH
. The power consump-
tion is reduced to the standby level I
DD1
and the
outputs are set to high impedance, independently
from the Output Enable or Write Enable inputs.
If Chip Enable switches to V
IH
during a program or
erase operation, the device enters Standby mode
when finished.
Table 2. Bus Operations
Note: 1.
X = Don’t Care V
IL
or V
IH
.
2. Depends on G
Operation
E
G
W
RP
L
A1-A21
DQ0-DQ15
Address Latch
V
IL
X
V
IH
V
IH
V
IL
Address
Data Output or Hi-Z
(2)
Bus Read
V
IL
V
IL
V
IH
V
IH
V
IL
Address
Data Output
Bus Write
V
IL
V
IH
V
IL
V
IH
V
IL
Address
Data Input
Output Disable
V
IL
V
IH
V
IH
V
IH
X
X
High Z
Power-Down
X
X
X
V
IL
X
X
High Z
Standby
V
IH
X
X
V
IH
X
X
High Z
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M58LW032C110ZA1F 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:32 Mbit 2Mb x16, Uniform Block, Burst 3V Supply Flash Memory
M58LW032C110ZA1T 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:32 Mbit 2Mb x16, Uniform Block, Burst 3V Supply Flash Memory
M58LW032C110ZA6 功能描述:閃存 4Mx8 or 2Mx16 110ns RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線寬度:1 bit 存儲(chǔ)類型:Flash 存儲(chǔ)容量:2 MB 結(jié)構(gòu):256 K x 8 定時(shí)類型: 接口類型:SPI 訪問(wèn)時(shí)間: 電源電壓-最大:3.6 V 電源電壓-最小:2.3 V 最大工作電流:15 mA 工作溫度:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel
M58LW032C110ZA6E 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:32 Mbit 2Mb x16, Uniform Block, Burst 3V Supply Flash Memory
M58LW032C110ZA6F 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:32 Mbit 2Mb x16, Uniform Block, Burst 3V Supply Flash Memory
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