s71ws256nc0bawa30 Meet Spansion Inc., s71ws256nc0bawa30 Datasheet - Page 129

• Manufacturer Part Number: s71ws256nc0bawa30
• Description: Stacked Multi-chip Product Mcp 256/512/128 Megabit 32m/16m/8m X 16 Bit Cmos 1.8 Volt-only Simultaneous Read/write, Burst-mode Flash Memory With 128/64megabit 8m/4m X 16-bit Psram.
• Manufacturer: Meet Spansion Inc.

September 15, 2005 S71WS-N_01_A4
31.3.4.3 Multiple Write Cycle (Low ADV# Type)
MRS# = V
Notes:
1.
2.
3.
4.
5.
6.
Notes:
1.
2.
UB#, LB#
Symbol
CS#
Data out
A write occurs during the overlap (t
with asserting UB# or LB# for single byte operation or simultaneously asserting UB# and LB# for double byte operation.
A write ends at the earliest transition when CS# goes high or WE# goes high. The t
of write to the end of write.
t
t
t
going high.
Clock input does not have any affect on the asynchronous multiple write operation if t
Latency - 1) clock duration.
t
Low ADV# type multiple write, WE# Controlled.
t
CLK
ADV#
Address
WE#
Data in
CW
AS
WR
WP(min)
WP(min)
t
t
t
t
t
WC
CW
AW
BW
WP
is measured from the address valid to the beginning of write.
is measured from the CS# going low to the end of write.
is measured from the end of write to the address change. t
Table 31.9 Asynchronous Write in Synchronous Mode AC Characteristics
= 70ns for continuous write operation over 50 times.
Figure 31.10 Timing Waveform Of Multiple Write Cycle (Low ADV# Type)
= 70ns for continuous write operation over 50 times.
IH
A d v a n c e
, OE# = V
55 (note 2)
t
AS
0
Min
70
60
60
60
Speed
IH
1
, WAIT# = High-Z, WE# Controlled
t
t
t
I n f o r m a t i o n
BW
High-Z
AW
CW
2
S71WS-Nx0 Based MCPs
WP
t
WC
t
Max
WP
—
—
—
—
—
) of low CS# and low WE#. A write begins when CS# goes low and WE# goes low
3
t
DW
Data Valid
Units
4
ns
5
t
WR
t
t
DH
WHP
Symbol
6
t
t
t
t
t
WHP
t
AS
WR
DW
DH
AS
WR
7
is applied in case a write ends with CS# or WE#
Min
5ns
30
0
0
0
8
t
t
t
BW
AW
CW
t
t
WC
WP
9
WP
t
Latency-1 clock
Speed
10
DW
WHP
is measured from the beginning
Dat a Valid
High-Z
is shorter than the (Read
Max
—
—
—
—
11
t
WR
t
DH
12
13
Units
ns
—
14
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