参数资料
型号: R5F64189HDFD
元件分类: 微控制器/微处理器
英文描述: 64-BIT, FLASH, MICROCONTROLLER, PQFP144
封装: 20 X 20 MM, 0.50 MM PITCH, PLASTIC, LQFP-144
文件页数: 124/126页
文件大小: 899K
代理商: R5F64189HDFD
REJ03B0255-0110
Rev.1.10
Page 97 of 123
Jun 23, 2010
R32C/118 Group
5. Electrical Characteristics
VCC =5V
Timing Requirements (VCC = 4.2 to 5.5 V, VSS = 0 V, and Ta =Topr, unless otherwise noted)
Table 5.20
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 5.21
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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