PF38F5070M0Q0B0 NUMONYX [Numonyx B.V], PF38F5070M0Q0B0 Datasheet - Page 73
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PF38F5070M0Q0B0
Manufacturer Part Number
PF38F5070M0Q0B0
Description
Manufacturer
NUMONYX [Numonyx B.V]
Datasheet
1.PF38F5070M0Q0B0.pdf
(139 pages)
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Numonyx™ StrataFlash
Table 28: WAIT Behavior Summary
Notes:
1.
2.
8.2
8.3
8.4
April 2008
309823-10
Device not selected
Non-Mux Device
AD-Mux Device
X = don’t care (high or low).
Active: WAIT asserted = invalid data; WAIT deasserted = valid data.
Bus Writes
To perform a write operation, both CE# and WE# are asserted while RST# and OE# are
deasserted. All device write operations are asynchronous, with CLK being ignored, but
CLK can be kept active/toggling. During a write operation in non-muxed devices,
address and data are latched on the rising edge of WE# or CE#, whichever occurs first.
During a write operation in muxed devices, address is latched during the rising edge of
ADV# OR CE# whichever occurs first and Data is latched during the rising edge of WE#
OR CE# whichever occurs first.
Reset
The device enters a reset mode when RST# is asserted. In reset mode, internal
circuitry is turned off and outputs are placed in a high-impedance state. The device
shuts down any operation in progress, a process which takes a minimum amount of
time to complete.
To return from reset mode, RST# must be deasserted. Normal operation is restored
after a wake-up interval.
Deep Power-Down
The device enters DPD mode when the following two conditions are met: ECR15 is
set(1) and DPD is asserted. The two conditions can be satisfied in any order. ECR14 bit
determines the DPD asserted logic level. While in this mode, RST# and CE# must be
deasserted.
The device exits DPD mode when DPD is deasserted. There is an exit latency before the
device returns to standby mode and any operations are allowed. See the datasheet for
the timing specifications.
The device should not be placed in DPD mode when a program/erase operation is
ongoing or suspended. If the device enters DPD mode in the middle of a program,
erase or suspend, the operation is terminated and the memory contents at the aborted
location (for a program) or block (for an erase) are no longer valid.
Device Operation
®
Cellular Memory (M18)
Standby
Output Disable
Sync Read
Async Read
Write
Output Disable
Sync Read
Async Read
Write
High
Low
CE#
X
High
Low
Low
High
High
Low
Low
High
OE#
X
High
High
High
Low
High
High
High
Low
WE#
High-Z
High-Z
Active
Deasserted
High-Z
Deasserted
Active
Deasserted
Deasserted
WAIT
1
2
2
Datasheet
Notes
73
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