M29W640GB NUMONYX [Numonyx B.V], M29W640GB Datasheet - Page 18

• Manufacturer Part Number: M29W640GB
• Description: 64 Mbit (8Mb x8 or 4Mb x16, Page) 3V supply Flash memory
• Manufacturer: NUMONYX [Numonyx B.V]

Signal descriptions
2.12
2.13
18/90
V
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 0.1µF 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
V
must be both connected to the system ground.
CC
SS
CC
SS
is the reference for all voltage measurements. The device features two V
provides the power supply for all operations (Read, Program and Erase).
Ground
Supply Voltage
LKO
. This prevents Bus Write operations from accidentally damaging the data
M29W640GH, M29W640GL, M29W640GT, M29W640GB
CC
Supply Voltage is less than the Lockout
CC
Supply Voltage pin and the V
SS
pins which
SS
CC3
.