User manual

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U
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Doc. No: SAS1-D038-A
9
3.3 AC Characteristics
3.3.1 68XX-Series MPU Parallel Interface Timing Characteristics:
Symbol Description Min Max Unit
t
cycle
Clock Cycle Time 300 - ns
t
AS
Address Setup Time 10 - ns
t
AH
Address Hold Time 0 - ns
t
DSW
Write Data Setup Time 40 - ns
t
DHW
Write Data Hold Time 7 - ns
t
DHR
Read Data Hold Time 20 - ns
t
OH
Output Disable Time - 70 ns
t
ACC
Access Time - 140 ns
Chip Select Low Pulse Width (Read) 120
PW
CSL
Chip Select Low Pulse Width (Write) 60
- ns
Chip Select High Pulse Width (Read) 60
PW
CSH
Chip Select High Pulse Width (Write) 60
- ns
t
R
Rise Time - 15 ns
t
F
Fall Time - 15 ns
* (V
DD
- V
SS
= 2.4V to 2.6V, V
DDIO
= 1.65V, V
CI
= 2.8V, T
a
= 25°C)
* (1) When 8-bit Used: D[7:0] Instead