參數(shù)資料
型號: M50FW080NB5P
廠商: 意法半導(dǎo)體
英文描述: 8 Mbit 1Mb x8, Uniform Block 3V Supply Firmware Hub Flash Memory
中文描述: 8兆1兆× 8,統(tǒng)一座3V電源閃存固件集線器
文件頁數(shù): 16/56頁
文件大?。?/td> 292K
代理商: M50FW080NB5P
Signal descriptions
M50FW080
16/55
2.3
Supply signal descriptions
The Supply Signals are the same for both interfaces.
2.3.1
V
CC
supply voltage
The V
CC
Supply Voltage supplies the power for all operations (Read, Program, Erase etc.).
The Command Interface is disabled when the V
CC
Supply Voltage is less than the Lockout
Voltage, V
LKO
. This prevents Bus Write operations from accidentally damaging the data
during power up, power down and power surges. If the Program/Erase Controller is
programming or erasing during this time then the operation aborts and the memory contents
being altered will be invalid. After V
CC
becomes valid the Command Interface is reset to
Read mode.
A 0.1μF capacitor should be connected between the V
CC
Supply Voltage pins and the V
SS
Ground pin to decouple the current surges from the power supply. Both V
CC
Supply Voltage
pins must be connected to the power supply. The PCB track widths must be sufficient to
carry the currents required during program and erase operations.
2.3.2
V
PP
optional supply voltage
The V
PP
Optional Supply Voltage pin is used to select the Fast Program (see the Quadruple
Byte Program Command description) and Fast Erase options of the memory and to protect
the memory. When V
PP
< V
PPLK
Program and Erase operations cannot be performed and
an error is reported in the Status Register if an attempt to change the memory contents is
made. When V
PP
= V
CC
Program and Erase operations take place as normal. When V
PP
=
V
PPH
Fast Program (if A/A Mux interface is selected) and Fast Erase operations are used.
Any other voltage input to V
PP
will result in undefined behavior and should not be used.
V
PP
should not be set to V
PPH
for more than 80 hours during the life of the memory.
2.3.3
V
SS
ground
V
SS
is the reference for all the voltage measurements.
相關(guān)PDF資料
PDF描述
M50FW080NB5TP 8 Mbit 1Mb x8, Uniform Block 3V Supply Firmware Hub Flash Memory
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