PF38F6070M0Y0BFA Micron Technology Inc, PF38F6070M0Y0BFA Datasheet - Page 82
PF38F6070M0Y0BFA
Manufacturer Part Number
PF38F6070M0Y0BFA
Description
Manufacturer
Micron Technology Inc
Datasheet
1.PF38F6070M0Y0BFA.pdf
(102 pages)
Specifications of PF38F6070M0Y0BFA
Operating Supply Voltage (max)
1.95V
Operating Temperature (max)
85C
Mounting
Surface Mount
Lead Free Status / RoHS Status
Compliant
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Table 34: WAIT Signal Conditions
14.5
Datasheet
82
CE# = V
CE# = V
OE#
Synchronous Array Read
Synchronous Non-Array Read
All Asynchronous Read and all Write
IH
IL
Data Hold (RCR[9])
The Data Output Configuration (DOC) bit (RCR[9]) determines whether a data word
remains valid on the data bus for one or two clock cycles. The processor’s minimum
data set-up time and the flash memory’s clock-to-data output delay determine whether
one or two clocks are needed.
A DOC set at 1-clock data hold corresponds to a 1-clock data cycle; a DOC set at 2-
clock data hold corresponds to a 2-clock data cycle. The setting of this configuration bit
depends on the system and CPU characteristics. For clarification, see
Output Configuration with WAIT Signal Delay” on page
A method for determining this configuration setting is shown below.
To set the device at 1-clock data hold for subsequent reads, the following condition
must be satisfied:
As an example, use a clock frequency of 66 MHz and a clock period of 15 ns. Assume
the data output hold time is one clock. Apply this data to the formula above for the
subsequent reads:
This equation is satisfied, and data output will be available and valid at every clock
period. If t
During page-mode reads, the initial access time can be determined by the formula:
Subsequent reads in page mode are defined by:
CONDITION
DATA is long, hold for two cycles.
t
11 ns + 4 ns ≤ 15 ns
t
t
CHQV (ns) +
ADD-DELAY (ns) +
APA (ns) +
t
DATA
t
DATA
(ns)
t
(ns) ≤ One CLK Period (ns)
DATA
(ns)
(minimum time)
+
Tri-State
Active
No-Effect
Active
Asserted
Asserted
t
AVQV
(ns)
Numonyx™ Wireless Flash Memory (W18)
Numonyx™ Wireless Flash Memory (W18)
83.
WAIT
Order Number: 290701-18
Figure 39, “Data
November 2007
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