m28w320fc Numonyx, m28w320fc Datasheet - Page 13

• Manufacturer Part Number: m28w320fc
• Description: 32 Mbit 2mb X16, Boot Block 3v Supply Flash Memory
• Manufacturer: Numonyx

M28W320FCT, M28W320FCB
2.8
2.9
2.10
2.11
minimized. After Reset all blocks are in the Locked state. When Reset is at V
in normal operation. Exiting reset mode the device enters read array mode, but a negative
transition of Chip Enable or a change of the address is required to ensure valid data outputs.
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
at the beginning of a Program or Erase; a change in its value after the operation has started
does not have any effect on Program or Erase, however for Double or Quadruple Word
Program the results are uncertain.
If V
be stable until the Program/Erase algorithm is completed (see
V
V
Note: Each device in a system should have V
capacitor close to the pin. See
widths should be sufficient to carry the required V
DD
DDQ
PP
PP
PP
SS
DD
DDQ
PP
SS
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
provides the power supply to the I/O pins and enables all Outputs to be powered
is in the range 11.4V to 12.6V it acts as a power supply pin. In this condition V
Program supply voltage
is kept in a low voltage range (0V to 3.6V) V
ground
supply voltage
PP1
supply voltage
enables these functions (see
DD
PPLK
. V
DDQ
gives an absolute protection against program or erase, while
Figure 7: AC Measurement Load
can be tied to V
Table 15: DC
DD
DD
, V
PP
PP
or can use a separate supply.
DDQ
program and erase currents.
is seen as a control input. In this case
Characteristics). V
DD
and V
and the Program Supply Voltage
PP
Table 17
decoupled with a 0.1µF
Circuit. The PCB trace
Signal descriptions
and
PP
IH
is only sampled
Table
, the device is
18).
PP
must
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