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DS89C430 데이터시트(PDF) 4 Page - Dallas Semiconductor

부품명 DS89C430
상세설명  Ultra-High-Speed Flash Microcontrollers
PDF  46 Pages
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제조업체  DALLAS [Dallas Semiconductor]
홈페이지  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor

DS89C430 데이터시트(HTML) 4 Page - Dallas Semiconductor

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DS89C430/DS89C450
4 of 46
AC CHARACTERISTICS
(VCC = 4.5V to 5.5V, TO = -40°C to +85°C.) (See Figure 1, Figure 2, and Figure 3.)
1-CYCLE
PAGE MODE 1
2-CYCLE
PAGE MODE 1
4-CYCLE
PAGE MODE 1
PAGE MODE 2
NONPAGE MODE
PARAMETER
SYMBOL
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
UNITS
System Clock External
Oscillator (Note 15)
1/tCLCL
0
33
0
33
0
33
0
33
0
33
System Clock External Crystal
(Note 15)
1/tCLCL
1
33
1
33
1
33
1
33
1
33
MHz
ALE Pulse Width (Note 16)
tLHLL
0.5tCLCL - 2
+ tSTC3
tCLCL - 2
+ tSTC3
2tCLCL - 4
+ tSTC3
1.5tCLCL - 5
+ tSTC3
1.5tCLCL - 5
+ tSTC3
ns
Port 0 Instruction Address Valid
to ALE Low
tAVLL
tCLCL - 3
0.5tCLCL - 3
ns
Port 2 Instruction Address Valid
to ALE Low
tAVLL2
0.5tCLCL - 4
0.5tCLCL - 4
1.5tCLCL - 4
0.5tCLCL - 4
tCLCL - 4
ns
Port 0 Data AddressValid to
ALE Low
tAVLL3
tCLCL - 3 +
tSTC3
0.5tCLCL - 3
+ tSTC3
ns
Program Address Hold After
ALE Low
tLLAX
0.5tCLCL - 8
1.5tCLCL - 8
2.5tCLCL - 8
1tCLCL - 10
1tCLCL - 10
ns
Address Hold after ALE Low
MOVX Write
tLLAX2
0.5tCLCL - 8
+ tSTC4
1.5tCLCL - 8
+ tSTC4
2.5tCLCL - 8
+ tSTC3
0.5tCLCL - 8
+ tSTC2
0.5tCLCL - 8
+ tSTC2
ns
Address Hold after ALE Low
MOVX Read
tLLAX3
0.5tCLCL - 8
+ tSTC4
1.5tCLCL - 8
+ tSTC4
2.5tCLCL - 8
+ tSTC3
0.5tCLCL - 8
+ tSTC3
0.5tCLCL - 8
+ tSTC2
ns
ALE Low to Valid Instruction In
tLLIV
2tCLCL - 6
2tCLCL - 6
ns
ALE Low to
PSEN Low
tLLPL
1.5tCLCL - 6
0.5tCLCL - 2
ns
PSEN Pulse Width for Program
Fetch
tPLPH
tCLCL - 5
tCLCL - 5
2tCLCL - 5
tCLCL - 5
2tCLCL - 5
ns



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