SH7619 Datasheet, PDF (757/836 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7619 Series

Section 25 Electrical Characteristics
25.4.1 Clock Timing
Table 25.7 Clock Timing
Conditions: V_CCQ = 3.0 V to 3.6 V, V_CC = 1.71 V to 1.89 V; for Ta, see the operating
temperatures given in appendix B, Product Code Lineup; External bus operating
frequency (Max.) = 62.5 MHz
Item
Symbol
EXTAL clock input frequency f_EX
EXTAL clock input cycle time t
Excyc
EXTAL clock input low pulse t
EXL
width
EXTAL clock input high pulse t
EXH
width
EXTAL clock rising time
EXTAL clock falling time
CKIO clock output frequency
CKIO clock output cycle time
CKIO clock low pulse width
CKIO clock high pulse width
CKIO clock rising time
CKIO clock falling time
CK_PHY clock input frequency
t_Exr
t_Exf
f_OP
t_cyc
t
CKOL
t
CKOH
t
CKOr
t
CKOf
F_CKPHY
CK_PHY clock input cycle time
CK_PHY clock input low pulse
width
T_CKPHYcyc
t_CKPHYL
CK_PHY clock input high pulse t
CKPHYH
width
CK_PHY clock input rising time t
CKPHYr
CK_PHY clock input falling time t
CKPHYf
Oscillation settling time (power- t_OSC1
on)
RES setup time
RES assert time
t_RESS
t_RESW
Min.
10
40
10
Max.
25
100

Unit.
MHz
ns
ns
10

ns


20
16
3.5
3.5


25 −100
ppm
39.996
12
4
4
62.5
50


4.5
4.5
25 +100
ppm
40.004

ns
ns
MHz
ns
ns
ns
ns
ns
MHz
ns
ns
12

ns

6
ns

6
ns
10

ms
25

ns
20

t_bcyc*
Reference Figures
Figure 25.1
Figure 25.2
Figure 25.3
Figures 25.3 and
25.4
Rev. 5.00 Mar. 15, 2007 Page 719 of 794
REJ09B0237-0500