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R5F64178NFB Datasheet(PDF) 98 Page - Renesas Technology Corp

Part No. R5F64178NFB
Description  RENESAS MCU
Download  114 Pages
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Maker  RENESAS [Renesas Technology Corp]
Homepage  http://www.renesas.com
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R5F64178NFB Datasheet(HTML) 98 Page - Renesas Technology Corp

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REJ03B0254-0110
Rev.1.10
Page 98 of 111
Jun 23, 2010
R32C/117 Group
5. Electrical Characteristics
VCC =3.3 V
Timing Requirements (VCC = 3.0 to 3.6 V, VSS = 0 V, and Ta =Topr, unless otherwise noted)
Table 5.46
External Clock Input
Symbol
Characteristic
Value
Unit
Min.
Max.
tc(X)
External clock input period
62.5
250
ns
tw(XH)
External clock input high level pulse width
25
ns
tw(XL)
External clock input low level pulse width
25
ns
tr(X)
External clock input rise time
5ns
tf(X)
External clock input fall time
5ns
tw / tc
External clock input duty
40
60
%
Table 5.47
External Bus Timing
Symbol
Characteristic
Value
Unit
Min.
Max.
tsu(D-R)
Data setup time for read
40
ns
th(R-D)
Data hold time after read
0ns
tdis(R-D)
Data disable time after read
0.5 × tc(Base) + 10
ns


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