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15. Electrical Characteristics (H8/3857 Group)
Item
Symbol Pins
External subclock
t
XH
high width
External subclock
t
XL
low width
External subclock
t
Xr
rise time
External subclock
t
Xf
fall time
RES pin low width
t
REL
Input pin high width t
IH
Input pin low width
t
IL
UD pin minimum
t
UDH
transition width
t
UDL
Notes: 1. A frequency between 1 MHz and 10 MHz is required when an external clock is input.
2. Selected with bits SA1 and SA0 in system control register 2 (SYSCR2).
3. The guaranteed temperature as an electrical characteristic for die type products is
75°C.
Rev.3.00 Jul. 19, 2007 page 412 of 532
REJ09B0397-0300
Applicable
Test Conditions
X
1
X
1
X
1
X
1
RES
IRQ
to IRQ
,
0
4
WKP
to WKP
,
0
7
ADTRG, TMIB,
TMIC, TMIF
IRQ
to IRQ
,
0
4
WKP
to WKP
,
0
7
ADTRG, TMIB,
TMIC, TMIF
UD
Values
Min
Typ
Max
⎯
⎯
0.4/fx
⎯
⎯
0.4/fx
⎯
⎯
100.0
⎯
⎯
100.0
⎯
⎯
10
⎯
⎯
2
⎯
⎯
2
⎯
⎯
4
Reference
Unit Figure
s
Figure 15.2
s
Figure 15.2
ns
Figure 15.2
ns
Figure 15.2
t
Figure 15.3
cyc
t
Figure 15.4
cyc
t
subcyc
t
Figure 15.4
cyc
t
subcyc
t
Figure 15.5
cyc
t
subcyc
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