m29w400db STMicroelectronics, m29w400db Datasheet - Page 15
m29w400db
Manufacturer Part Number
m29w400db
Description
4 Mbit 512kb X8 Or 256kb X16, Boot Block 3v Supply Flash Memory
Manufacturer
STMicroelectronics
Datasheet
1.M29W400DB.pdf
(48 pages)
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M29W400DT, M29W400DB
2.11
2.12
V
The V
The command interface is disabled when the V
voltage, V
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.
A 0.1 µF capacitor should be connected between the V
ground pin to decouple the current surges from the power supply. The PCB track widths
must be sufficient to carry the currents required during program and erase operations, I
V
The V
CC
SS
CC
SS
ground
supply voltage
ground is the reference for all voltage measurements.
supply voltage supplies the power for all operations (Read, Program, Erase etc.).
LKO
. This prevents Bus Write operations from accidentally damaging the data
CC
supply voltage is less than the lockout
CC
supply voltage pin and the V
Signal descriptions
15/48
SS
CC3
.