Symbol
TAH8
TAS8
Parameter
Address hold time
Address setup time
Min.
0
0
300
60
120
60
60
40
15
Typ.
Max.
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Condition
A0
A0
TCYC8 System cycle time
TCCLW Control L pulse width(WR)
TCCLR Control L pulse width(RD)
TCCHW Control H pulse width(WR)
TCCHR Control H pulse width(RD)
TDS8
TDH8
/WR
/RD
/WR
/RD
Data setup time
Data hold time
D0 T0 D7
D0 T0 D7
CL=100pF
CL=100pF
TACC8 RD access time
TCH8 Output disable time
140
100
10
(2) System bus Read/Write characteristics (For the 6800 Series MPU, VDD= 2.7~4.5V)
Symbol
TCYC6 System cycle time
Parameter
Min.
300
0
Typ.
Max.
Unit
ns
ns
ns
ns
ns
ns
ns
Condition
TAS6
TAH6
TDS6
TDH6
TOH6
Address setup time
Address hold time
Data setup time
Data hold time
Output disable time
A0
A0
D0 T0 D7
D0 T0 D7
CL=100pF
CL=100pF
0
40
15
10
100
140
TACC6 Access time
Enable
width(Read)
TEWHW Enable
H
pulse
TEWHR
120
60
ns
ns
ns
H
L
pulse
pulse
Enable
width(Read)
TEWLR
60
Enable
width(Write)
L
pulse
TEWLW
60
ns
Page 3
AZDISPLAYS [ AZ DISPLAYS ]
