M28W640FSU70ZA6 Micron Technology Inc, M28W640FSU70ZA6 Datasheet - Page 15

• Manufacturer Part Number: M28W640FSU70ZA6
• Manufacturer: Micron Technology Inc

Specifications of M28W640FSU70ZA6

• Cell Type: NOR
• Density: 64Mb
• Access Time (max): 70ns
• Interface Type: Parallel
• Address Bus: 22b
• Operating Supply Voltage (typ): 3/3.3V
• Operating Temp Range: -40C to 85C
• Package Type: TBGA
• Sync/async: Asynchronous
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (min): 2.7V
• Operating Supply Voltage (max): 3.6V
• Word Size: 16b
• Number Of Words: 4M
• Supply Current: 18mA
• Mounting: Surface Mount
• Pin Count: 64
• Lead Free Status / Rohs Status: Not Compliant

M28WxxxFS, M28WxxxFSU
2.7
2.8
2.9
2.10
2.11
Note:
V
V
power supply for all operations (Read, Program and Erase).
V
V
independently from V
V
V
voltage range applied to the pin. The Supply Voltage V
V
If V
a voltage lower than V
V
values). V
after the operation has started does not have any effect on Program or Erase.
If V
the Program/Erase algorithm is completed (see
Program command will be ignored if V
can be performed even if V
V
V
V
V
connected to V
Each device in a system should have V
close to the pin. See
be sufficient to carry the required V
DD
DDQ
PP
PP
PP
SS
SSQ
DD
DDQ
PP
SS
SSQ
PP
PP
is both a control input and a power supply pin. The two functions are selected by the
can be applied in any order.
> V
is the reference for all voltage measurements.
provides the power supply to the internal core of the memory device. It is the main
ground is the reference for the input/output circuitry driven by V
provides the power supply to the I/O pins and enables all Outputs to be powered
Program Supply Voltage
is kept in a low voltage range (0V to 3.6V), V
Ground
is set to V
Supply Voltage
PP1
Ground
Supply Voltage
PP
enables these functions (see
is only sampled at the beginning of a program or erase; a change in its value
SS
PPH
.
, it acts as a power supply pin. In this condition V
Figure 11: AC measurement load
DD
PPLK
. V
DDQ
PP
gives an absolute protection against program or erase, while
is set to V
can be tied to V
PP
PP
program and erase currents.
DD
DD
is not set to V
Table 14: DC
, V
.
DDQ
DD
Table 16
and V
or can use a separate supply.
PP
is seen as a control input. In this case
DD
PP
circuit. The PCB track widths should
PPH
characteristics, for the relevant
and
and the Program Supply Voltage
decoupled with a 0.1µF capacitor
while a Double Word Program
Table
17). A Quadruple Word
PP
DDQ
Signal descriptions
must be stable until
. V
SSQ
must be
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