參數(shù)資料
型號: AM70PDL127CDH85I
廠商: Spansion Inc.
英文描述: Stacked Multi-Chip Package (MCP/XIP) Flash Memory, Data storage MirrorBit Flash, and pSRAM (XIP)
中文描述: 堆疊式多芯片封裝(MCP / XIP)的快閃記憶體,數(shù)據(jù)存儲的MirrorBit閃存和移動存儲芯片(XIP)的
文件頁數(shù): 80/127頁
文件大?。?/td> 846K
代理商: AM70PDL127CDH85I
78
Am70PDL127CDH/Am70PDL129CDH
November 24, 2003
A D V A N C E I N F O R M A T I O N
TIMING DIAGRAMS
Notes: Write Cycle
1. A write occurs during the overlap (t
WP
) of low CS#1s and low WE#. A write begins when CS#1s goes low and WE# goes low
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#1s goes high and WE# goes high. The t
WP
is measured from the beginning of
write to the end of write.
2. t
CW
is measured from the CS#1s going low to the end of write.
3. t
AS
is measured from the address valid to the beginning of write.
4. t
WR
is measured from the end of write to the address change. t
WR
is applied in case a write ends with CS#1s or WE# going high.
Notes: Deep Power Down Mode
1. When you toggle CS2s pin low, the device gets into the Deep Power Down mode after 0.5 ms suspend period.
2. To return to normal operation, the device needs Wake-up period.
3. Wake Up sequence is just the same as Power Up sequence.
Figure 30.
Timing Waveform of Write Cycle 3
Address
Data Valid
UB#, LB#
WE#
Data in
Data out
High-Z
High-Z
t
WC
t
CW(2)
t
BW
t
WP(1)
t
DH
t
DW
t
WR(4)
t
AW
t
AS(3)
CS#1s
CS2s
MODE
Deep Power Down Mode
Normal Operation
0.5
μ
s
200
μ
s
Normal Operation
Suspend
Wake up
CS#1s
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