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2.3.AC Characteristics
2.3.1.Read/Write Operation Sequence (80 series CPU)
Parameter
Address Hold Time
Address Setup Time
System Cycle Time
Control Low Pulse Width(Write)
Control Low Pulse Width(Read)
Control High Pulse Width(Write)
Control High Pulse Width(Read)
Data Setup Time
Data Hold Time
RD Access Time
Output Disable Time
Input Signal Rise/Fall Time
Symbol
tAH8
tAW8
tC Y C 8
tCCLW
tCCLR
tCCHW
tCCHR
tDS8
tDH8
tACC8
tOH8
tr, tf
Min.
0
0
166
30
70
30
30
30
10
-
10
-
Parameter
Address Hold Time
Address Setup Time
System Cycle Time
Control Low Pulse Width(Write)
Control Low Pulse Width(Read)
Control High Pulse Width(Write)
Control High Pulse Width(Read)
Data Setup Time
Data Hold Time
RD Access Time
Output Disable Time
Input Signal Rise/Fall Time
Symbol
tAH8
tAW8
tC Y C 8
tCCLW
tCCLR
tCCHW
tCCHR
tDS8
tDH8
tACC8
tOH8
tr, tf
Min.
0
0
300
60
120
60
60
40
15
-
10
-
Parameter
Address Hold Time
Address Setup Time
System Cycle Time
Control Low Pulse Width(Write)
Control Low Pulse Width(Read)
Control High Pulse Width(Write)
Control High Pulse Width(Read)
Data Setup Time
Symbol
tAH8
tAW8
tC Y C 8
tCCLW
tCCLR
tCCHW
tCCHR
tDS8
Min.
0
0
1000
120
240
120
120
80
VDD=4.5~5.5V
Max.
Units
- ns
- ns
- ns
- ns
- ns
- ns
- ns
- ns
- ns
70 ns
50 ns
15 ns
VDD=2.7~4.5V
Max.
Units
- ns
- ns
- ns
- ns
- ns
- ns
- ns
- ns
- ns
140 ns
100 ns
15 ns
VDD=2.2~2.7V
Max.
Units
- ns
- ns
- ns
- ns
- ns
- ns
- ns
- ns
F-51852GNFJ-SLW-AEN (AE) No. 2005-0268
OPTREX CORPORATION
Page 5/23

 5 Page



2.3.4.Display Control Timing Characteristics
Reset Input Timing
Parameter
Reset time
Reset ”L” Pulse Width
Symbol
tR
tRW
Min.
-
0.5
Typ.
-
-
Reset Input Timing
Parameter
Reset time
Reset ”L” Pulse Width
Symbol
tR
tRW
Min.
-
1
Typ.
-
-
Reset Input Timing
Parameter
Symbol
Min.
Reset time
tR -
Reset ”L” Pulse Width
tRW 1.5
Each timing is specified based on 0.2×VDD and 0.8×VDD.
Typ.
-
-
VDD=4.5∼5.5V
Max.
Units
0.5
µs
-
VDD=4.5∼5.5V
Max.
Units
1
µs
-
VDD=4.5∼5.5V
Max.
Units
1.5
µs
-
RES
Internal
states
tRW tR
During reset
Reset complete
F-51852GNFJ-SLW-AEN (AE) No. 2005-0268
OPTREX CORPORATION
Page 11/23

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