参数资料
型号: R5F6421GJFB
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 64 MHz, MICROCONTROLLER, PQFP100
封装: 14 X 14 MM, 0.50 MM PITCH, PLASTIC, LQFP-100
文件页数: 5/113页
文件大小: 744K
代理商: R5F6421GJFB
REJ03B0237-0050 Rev.0.50 Jul 31, 2008
Page 102 of 111
Under development
Preliminary Specification
This is a preliminary specification and is subject to change.
R32C/121 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 5.41
External Clock Input
Symbol
Characteristic
Value
Unit
Min.
Max.
tc(X)
External clock input period
125
250
ns
tw(H)
External clock input high level pulse width
50
ns
tw(L)
External clock input low level pulse width
50
ns
tr
External clock input rise time
5ns
tf
External clock input fall time
5ns
tw / tc
External clock input duty
40
60
%
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