參數(shù)資料
型號(hào)： MC94MX21DVKN3R2
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 350 MHz, MICROPROCESSOR, PBGA289
封裝： 14 X 14 MM, 1.41 MM HEIGHT, 0.65 MM PITCH, LEAD FREE, PLASTIC, BGA-289
文件頁(yè)數(shù)： 60/98頁(yè)
文件大小： 1326K
代理商： MC94MX21DVKN3R2
Specifications
MC94MX21 Technical Data, Rev. 1.
Freescale Semiconductor
63
Table 42. EIM Bus Timing Parameters
Ref No.
Parameter
1.8 V
± 0.1 V
3.0 V
± 0.3 V
1.8 V
±
0.1 V
Unit
Min
Typical
Max
Min
Typical
Max
1a
Clock fall to address valid
3.97
6.02
9.89
3.83
5.89
9.79
ns
1b
Clock fall to address invalid
3.93
6.00
9.86
3.81
5.86
9.76
ns
2a
Clock fall to chip-select valid
3.47
5.59
8.62
3.30
5.09
8.45
ns
2b
Clock fall to chip-select invalid
3.39
5.09
8.27
3.15
4.85
8.03
ns
3a
Clock fall to Read (Write) Valid
3.51
5.56
8.79
3.39
5.39
8.51
ns
3b
Clock fall to Read (Write) Invalid
3.59
5.37
9.14
3.36
5.20
8.50
ns
4a
Clock1 rise to Output Enable Valid
1. Clock refers to the system clock signal, HCLK, generated from the System DPLL
3.62
5.49
8.98
3.46
5.33
9.02
ns
4b
Clock1 rise to Output Enable Invalid
3.70
5.61
9.26
3.46
5.37
8.81
ns
4c
Clock1 fall to Output Enable Valid
3.60
5.48
8.77
3.44
5.30
8.88
ns
4d
Clock1 fall to Output Enable Invalid
3.69
5.62
9.12
3.42
5.36
8.60
ns
5a
Clock1 rise to Enable Bytes Valid
3.69
5.46
8.71
3.46
5.25
8.54
ns
5b
Clock1 rise to Enable Bytes Invalid
4.64
5.47
8.70
3.46
5.25
8.54
ns
5c
Clock1 fall to Enable Bytes Valid
3.52
5.06
8.39
3.41
5.18
8.36
ns
5d
Clock1 fall to Enable Bytes Invalid
3.50
5.05
8.27
3.41
5.18
8.36
ns
6a
Clock1 fall to Load Burst Address Valid
3.65
5.28
8.69
3.30
5.23
8.81
ns
6b
Clock1 fall to Load Burst Address Invalid
3.65
5.67
9.36
3.41
5.43
9.13
ns
6c
Clock1 rise to Load Burst Address Invalid
3.66
5.69
9.48
3.33
5.47
9.25
ns
7a
Clock1 rise to Burst Clock rise
3.50
5.22
8.42
3.26
4.99
8.19
ns
7b
Clock1rise to Burst Clock fall
3.49
5.19
8.30
3.31
5.03
8.17
ns
7c
Clock1 fall to Burst Clock rise
3.50
5.22
8.39
3.26
4.98
8.15
ns
7d
Clock1 fall to Burst Clock fall
3.49
5.19
8.29
3.31
5.02
8.12
ns
8a
Read Data setup time
4.54
–
4.54
–
ns
8b
Read Data hold time
0.5
–
0.5
–
ns
9a
Clock1 rise to Write Data Valid
4.13
5.86
9.16
3.95
6.36
10.31
ns
9b
Clock1 fall to Write Data Invalid
4.10
5.79
9.15
4.04
6.27
9.16
ns
9c
Clock1 rise to Write Data Invalid
4.02
5.81
9.37
4.22
5.29
9.24
ns
10a
DTACK setup time
2.65
4.63
8.40
2.64
4.61
8.41
ns
11
Burst Clock (BCLK) cycle time
15
–
15
–
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:
MC94MX21DVKN3
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