Citizen CBM-202PC-04 User Manual page 31

2) Bus Timing
VCC= 5.0V 10%, AVCC= 5.0V 10%, VREF= 4.5V ~ AVCC, VSS=AVSS= 0V, = 2 ~ 16MHz,
TA= – 20~75°C
Clock cycle time
Clock pulse width "LOW" level time
Clock pulse width "HIGH" level time
Clock rise time
Clock fall time
Address delay time
Address hold time
Address strobe delay time
Write strobe delay time
Strobe delay time
Write data strobe pulse width 1
Write data strobe pulse width 2
Address setup time 1
Address setup time 2
Read data setup time
Read data hold time
Write data delay time
Write data setup time 1
Write data setup time 2
Write data hold time
Read data access time 1
Read data access time 2
Item Symbol
t cyc
t
CL
t
CH
t
CR
t
CF
t
AD
t
AH
t
ASD
t
WSD
t
SD
t
WSW1
t
WSW2
t
AS1
t
AS2
t
RDS
t
RDH
t
WDD
t
WDS1
t
WDS2
t
WDH
t
ACC1
t
ACC2
31
CBM-202PC-04 User's Manual
MIN MAX
62.5 500
20 –
20 –
– 10
– 10
– 30
10 –
– 30
– 30
– 30
35 –
65 –
10 –
40 –
20 –
0 –
– 60
35 –
5 –
20 –
– 55
– 115
Unit : ns
CITIZEN