S71WS256NC0BAWE32 SPANSION [SPANSION], S71WS256NC0BAWE32 Datasheet - Page 128
S71WS256NC0BAWE32
Manufacturer Part Number
S71WS256NC0BAWE32
Description
Stacked Multi-Chip Product (MCP)
Manufacturer
SPANSION [SPANSION]
Datasheet
1.S71WS256NC0BAWE32.pdf
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126
31.3.4.2 Write Cycle (Low ADV# Type)
MRS# = V
Notes:
1.
2.
3.
4.
5.
Notes:
1.
2.
UB#, LB#
Data out
CLK
CS#
ADV#
Address
WE#
Data in
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 to the write operation if the parameter t
Low ADV# type multiple write, UB#, LB# controlled.
t
CW
AS
WR
Symbol
WP(min)
t
t
t
t
t
is measured from the address valid to the beginning of write.
WC
CW
AW
BW
WP
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 31.8 Asynchronous Write in Synchronous Mode AC Characteristics
= 70ns for continuous write operation over 50 times.
IH
, OE# = V
Figure 31.9 Timing Waveform Of Write Cycle (Low ADV# Type)
t
0
AS
55 (note 2)
1
IH
Min
70
60
60
60
Read Latency 5
, WAIT# = High-Z, UB# & LB# Controlled
High-Z
Speed
2
A d v a n c e
t
WLRL
S71WS-Nx0 Based MCPs
WP
3
) of low CS# and low WE#. A write begins when CS# goes low and WE# goes low
t
4
t
CW
Max
AW
t
WC
—
—
—
—
—
t
t
BW
WP
5
I n f o r m a t i o n
Units
ns
6
WR
7
is applied in case a write ends with CS# or WE#
t
DW
Data Valid
Symbol
t
8
WLRL
t
t
t
t
WR
DW
DH
AS
WLRL
9
t
DH
t
WR
is met.
WP
10
High- Z
is measured from the beginning
Min
30
1
0
0
0
S71WS-N_01_A4 September 15, 2005
11
Speed
Max
12
—
—
—
—
—
13
clock
Units
ns
14
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