參數(shù)資料
型號(hào): DS5002FP
英文描述: Secure Microprocessor Chip
中文描述: 安全微處理器芯片
文件頁數(shù): 8/25頁
文件大?。?/td> 445K
代理商: DS5002FP
DS5002FP Secure Microprocessor Chip
8 of 25
AC CHARACTERISTICS—BYTE-WIDE ADDRESS/DATA BUS TIMING
(V
CC
= 5V ±10%, T
A
= 0°C to +70°C.) (
Figure 6
)
#
PARAMETER
Delay to Byte-Wide Address Valid from
CE1
,
CE2
, or
CE1N
Low During Op Code Fetch
SYMBOL
MIN
MAX
UNITS
40
t
CE1LPA
30
ns
41
Pulse Width of
CE
1–4,
PE
1–4, or
CE1N
Byte-Wide Address Hold After
CE1
,
CE2
, or
CE1N
High During Op Code Fetch
Byte-Wide Data Setup to
CE1
,
CE2
, or
CE1N
High During Op Code Fetch
t
CEPW
4t
CLK
- 35
ns
42
t
CE1HPA
2t
CLK
- 20
ns
43
t
OVCE1H
1t
CLK
+ 40
ns
44
Byte-Wide Data Hold After
CE1
,
CE2
, or
CE1N
High During Op Code Fetch
t
CE1HOV
0
ns
45
Byte-Wide Address Hold After
CE
1–4,
PE
1–4, or
CE1N
High During MOVX
t
CEHDA
4t
CLK
- 30
ns
46
Delay from Byte-Wide Address Valid
CE
1–4,
PE
1–4, or
CE1N
Low During MOVX
t
CELDA
4t
CLK
- 35
ns
47
Byte-Wide Data Setup to
CE
1–4,
PE
1–4, or
CE1N
High During MOVX (Read)
t
DACEH
1t
CLK
+ 40
ns
48
Byte-Wide Data Hold After
CE
1–4,
PE
1–4, or
CE1N
High During MOVX (Read)
t
CEHDV
0
ns
49
Byte-Wide Address Valid to R/
W
Active During
MOVX (Write)
t
AVRWL
3t
CLK
- 35
ns
50
Delay from R/
W
Low to Valid Data Out During
MOVX (Write)
t
RWLDV
20
ns
51
Valid Data Out Hold Time from
CE
1–4,
PE
1–4, or
CE1N
High
t
CEHDV
1t
CLK
- 15
ns
52
Valid Data Out Hold Time from R/
W
High
t
RWHDV
0
ns
53
Write Pulse Width (R/
W
Low Time)
t
RWLPW
6t
CLK
- 20
ns
Figure 6. Byte-Wide Bus Timing
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