DS89C430 Maxim, DS89C430 Datasheet - Page 4

• Manufacturer Part Number: DS89C430
• Description: The DS89C430 and DS89C450 offer the highest performance available in 8051-compatible microcontrollers
• Manufacturer: Maxim

AC CHARACTERISTICS
(V
System Clock External
Oscillator (Note 15)
System Clock External Crystal
(Note 15)
ALE Pulse Width (Note 16)
Port 0 Instruction Address Valid
to ALE Low
Port 2 Instruction Address Valid
to ALE Low
Port 0 Data AddressValid to
ALE Low
Program Address Hold After
ALE Low
Address Hold after ALE Low
MOVX Write
Address Hold after ALE Low
MOVX Read
ALE Low to Valid Instruction In
ALE Low to PSEN Low
PSEN Pulse Width for Program
Fetch
CC
= 4.5V to 5.5V, T
PARAMETER
O
= -40°C to +85°C.) (See
SYMBOL
1/t
1/t
t
t
t
t
t
t
t
t
t
AVLL2
AVLL3
LLAX2
LLAX3
t
LHLL
AVLL
LLAX
LLPL
PLPH
LLIV
CLCL
CLCL
0.5t
0.5t
0.5t
0.5t
0.5t
t
+ t
+ t
+ t
CLCL
PAGE MODE 1
MIN
CLCL
CLCL
CLCL
CLCL
CLCL
0
1
STC3
STC4
STC4
1-CYCLE
- 5
- 2
- 4
- 8
- 8
- 8
Figure
MAX
33
33
1,
Figure
0.5t
1.5t
1.5t
1.5t
t
t
CLCL
+ t
+ t
+ t
CLCL
MIN
PAGE MODE 1
CLCL
CLCL
CLCL
CLCL
0
1
STC3
STC4
STC4
2, and
- 2
- 5
2-CYCLE
- 4
- 8
- 8
- 8
Figure
MAX
33
33
4 of 46
3.)
1.5t
2.5t
2.5t
2.5t
2t
2t
+ t
+ t
+ t
CLCL
CLCL
MIN
PAGE MODE 1
CLCL
CLCL
CLCL
CLCL
0
1
STC3
STC3
STC3
4-CYCLE
- 4
- 5
- 4
- 8
- 8
- 8
MAX
33
33
1.5t
0.5t
0.5t
0.5t
1.5t
1t
t
CLCL
t
t
+ t
CLCL
CLCL
+ t
CLCL
+ t
MIN
t
CLCL
CLCL
STC3
CLCL
CLCL
CLCL
0
1
STC3
STC3
PAGE MODE 2
STC2
- 3 +
- 3
- 10
- 5
- 5
- 4
- 8
- 8
- 6
2t
MAX
CLCL
33
33
- 6
1.5t
0.5t
0.5t
0.5t
0.5t
0.5t
1t
2t
t
CLCL
CLCL
+ t
+ t
+ t
+ t
NONPAGE MODE
CLCL
MIN
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
0
1
STC3
STC3
STC2
STC2
- 4
- 10
- 5
- 5
- 3
- 3
- 8
- 8
- 2
DS89C430/DS89C450
2t
MAX
CLCL
33
33
- 6
UNITS
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns