參數(shù)資料
型號(hào): MC9328MXLDVP20R2
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 200 MHz, RISC PROCESSOR, PBGA225
封裝: 13 X 13 MM, 0.80 MM PITCH, ROHS COMPLIANT, PLASTIC, MAPBGA-225
文件頁數(shù): 66/90頁
文件大?。?/td> 1242K
代理商: MC9328MXLDVP20R2
Functional Description and Application Information
MC9328MXL Technical Data, Rev. 8
Freescale Semiconductor
69
Table 27. SDRAM Read Timing Parameter Table
Ref
No.
Parameter
1.8 ± 0.1 V
3.0 ± 0.3 V
Unit
Minimum
Maximum
Minimum
Maximum
1
SDRAM clock high-level width
2.67
4
ns
2
SDRAM clock low-level width
6
–4–
ns
3
SDRAM clock cycle time
11.4
10
ns
3S
CS, RAS, CAS, WE, DQM setup time
3.42
3
ns
3H
CS, RAS, CAS, WE, DQM hold time
2.28
2
ns
4S
Address setup time
3.42
3
ns
4H
Address hold time
2.28
2
ns
5
SDRAM access time (CL = 3)
6.84
6
ns
5
SDRAM access time (CL = 2)
6.84
6
ns
5
SDRAM access time (CL = 1)
22
22
ns
6
Data out hold time
2.85
2.5
ns
7
Data out high-impedance time (CL = 3)
6.84
6
ns
7
Data out high-impedance time (CL = 2)
6.84
6
ns
7
Data out high-impedance time (CL = 1)
22
22
ns
8
Active to read/write command period (RC = 1)
tRCD
1
1 t
RCD = SDRAM clock cycle time. This settings can be found in the MC9328MXL reference manual.
–tRCD1
–ns
Because
of
an
order
from
the
United
States
International
Trade
Commission,
BGA-packaged
product
lines
and
part
numbers
indicated
here
currently
are
not
available
from
Freescale
for
import
or
sale
in
the
United
States
prior
to
September
2010:
i.MXL
Product
Family
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