參數(shù)資料
型號(hào): MAX7651
廠商: Maxim Integrated Products, Inc.
英文描述: Flash Programmable 12-Bit Integrated Data-Acquisition Systems
中文描述: 閃存、可編程、12位、集成數(shù)據(jù)采集系統(tǒng)
文件頁(yè)數(shù): 5/36頁(yè)
文件大?。?/td> 479K
代理商: MAX7651
M
Flash Programmable 12-Bit Integrated
Data-Acquisition Systems
_______________________________________________________________________________________
5
TIMING CHARACTERISTICS
(MAX7651: AVDD= VPWMV= DVDD= VREF+= +4.5 to +5.5V, VREF-= 0, f
XTAL
= 12MHz. MAX7652: AV
DD
= V
PWMV
= DV
DD
=
+2.7V to +3.6V, V
REF+
= +2.5V, V
REF-
= 0, ACOM = AV
DD
/2, f
XTAL
= 12MHz. T
A
= TMINto TMAX, unless otherwise noted. Typical
values are at TA= +25
°
C.) (Figure 3)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
RST Pulse Width (High)
100 +
(64 x t
CK
)
μs
EXTERNAL CLOCK
Clock Frequency
Clock Period
Clock High Time
Clock Low Time
Clock Rise Time
Clock Fall Time
INSTRUCTION TIMING CHARACTERISTICS
f
CK
t
CLCL
t
CHCX
t
CLCX
t
CLCH
t
CHCL
12
MHz
ns
ns
ns
ns
ns
83
25
25
Guaranteed by design
Guaranteed by design
10
10
ALE Pulse Width
t
LHLL
1.5t
CLCL
-
20
ns
Address Valid to ALE Low
t
AVLL
0.5t
CLCL
-
15
ns
Address Hold after ALE
Low
t
LLAX
0.5t
CLCL
-
20
ns
ALE Low to Valid
Instruction In
t
LLIV
2.5t
CLC
L
- 35
ns
ALE Low to
PSEN
Low
t
LLPL
0.5t
CLCL
- 10
ns
PSEN
Pulse Width
t
PLPH
2t
CLCL
- 15
ns
PSEN
Low to Valid
Instruction In
t
PLIV
2t
CLCL
-
35
ns
Input Instruction Hold
after
PSEN
t
PXIX
0
ns
Input Instruction Float
after
PSEN
t
PXIZ
t
CLCL
-
15
ns
Address to Valid Instruction
In
t
AVIV
3t
CLCL
-
50
ns
PSEN
Low to Address Float
t
PLAZ
10
ns
相關(guān)PDF資料
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