Renesas R61509V User Manual
Page 172
R61509V
Target
Spec
Rev. 0.11 April 25, 2008, page 172 of 181
AC Characteristics
(VCC= 2.50V~3.30V, IOVCC=1.65V~3.30V, Ta= -40°C~+85°C *
See note 1
)
Clock Characteristics
Table 88
Item Symbol
Unit
Test
condition
Min.
Typ.
Max.
Note
Oscillation clock
f
osc
kHz
VCC=IOVCC=3.0V
631 678 725 9
80-system 18-/16-/9-/8-bit Bus interface Timing Characteristics
(1-/2-/3-transfer, IOVCC=1.65V~3.30V) TBD
Table 89
Items Symbol
Unit
Test
condition
Min. Typ. Max.
Write t
CYCW
ns
Figure
A 75
(TBD)
－
－
Bus cycle time
Read t
CYCR
ns
Figure A
450
(TBD)
－
－
Write low- level pulse width
PW
LW
ns
Figure
A 30
(TBD)
－
－
Read low-level pulse width
PW
LR
ns
Figure
A 170
(TBD)
－
－
Write high-level pulse width
PW
HW
ns
Figure
A 25
(TBD)
－
－
Read high-level pulse width
PW
HR
ns
Figure
A 250
(TBD)
－
－
Write/ Read rise/fall time
t
WRr，
WRf
ns Figure
A
－
－
15
Write (RS to CSX,
WRX)
ns Figure
A
0
(TBD)
－
－
Setup time
Read (RS to CSX,
RDX)
t
AS
ns Figure
A
10
(TBD)
－
－
Address hold time
t
AH
ns Figure
A
2
(TBD)
－
－
Write data setup time
t
DSW
ns Figure
A
25
(TBD)
－
－
Write data hold time
t
H
ns Figure
A
10
(TBD)
－
－
Read data delay time
t
DDR
ns Figure
A
－
－
150
Read data hold time
t
DHR
ns Figure
A
5
(TBD)
－
－