r4f2426 Renesas Electronics Corporation., r4f2426 Datasheet - Page 1230

• Manufacturer Part Number: r4f2426
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
• Manufacturer: Renesas Electronics Corporation.

Section 26 Electrical Characteristics
Table 26.21 Bus Timing (2)
Conditions: V
Rev. 1.00 Sep. 19, 2008 Page 1202 of 1270
REJ09B0466-0100
Item
WR delay time 1
WR delay time 2
WR pulse width 1
WR pulse width 2
Write data delay time
Write data setup time 1
Write data setup time 2
Write data setup time 3
Write data hold time 1
Write data hold time 2
Write data hold time 3
Write command setup time 1
Write command setup time 2
Write command hold time 1
Write command hold time 2
Read command setup time 1
Read command setup time 2
Read command hold time
CAS delay time 1
CAS delay time 2
CAS setup time 1
CAS setup time 2
CAS pulse width 1
CAS pulse width 2
CAS precharge time 1
CAS precharge time 2
OE delay time 1*
OE delay time 2*
0 V, φ = 8 MHz to 33 MHz, T
T
a
CC
= −40°C to +85°C (wide-range specifications)
= 3.0 V to 3.6 V, AV
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
WRD1
WRD2
WSW1
WSW2
WDD
WDS1
WDS2
WDS3
WDH1
WDH2
WDH3
WCS1
WCS2
WCH1
WCH2
RCS1
RCS2
RCH
CASD1
CASD2
CSR1
CSR2
CASW1
CASW2
CPW1
CPW2
OED1
OED1B
OED2
OED2B
CC
= 3.0 V to 3.6 V, V
a
= −20°C to +75°C (regular specifications),
Min.


1.0 × t
1.5 × t

0.5 × t
1.0 × t
1.5 × t
0.5 × t
1.0 × t
1.5 × t
0.5 × t
1.0 × t
0.5 × t
1.0 × t
1.5 × t
2.0 × t
0.5 × t


0.5 × t
1.5 × t
1.0 × t
1.5 × t
1.0 × t
1.5 × t


cyc
cyc
cyc
cyc
cyc
cyc
cyc
cyc
cyc
cyc
cyc
cyc
cyc
cyc
cyc
cyc
cyc
cyc
cyc
cyc
cyc
−13
−13
−15
−15
−15
−13
−13
−13
−10
−10
−10
−10
−10
−10
−10
−10
−10
−20
−20
−20
−20
Max.
15
15


23













15
15






15
19
15
19
ref
= 3.0 V to AV
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
CC
, V
SS
Test Conditions
Figures 26.8 to
26.23,
Figures 26.34
and 26.35
= AV
SS
=