参数资料
型号: R5F21322DNSP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDSO20
封装: 4.40 X 6.50 MM, 0.65 MM, PLASTIC, SSOP-20
文件页数: 37/46页
文件大小: 506K
代理商: R5F21322DNSP
R8C/32D Group
5. Electrical Characteristics
REJ03B0288-0100 Rev.1.00
Feb 26, 2010
Page 40 of 42
Timing requirements
(Unless Otherwise Specified: VCC = 2.2 V, VSS = 0 V at Topr = 25 C)
Figure 5.12
External Clock Input Timing Diagram when VCC = 2.2 V
Figure 5.13
TRAIO Input Timing Diagram when VCC = 2.2 V
Table 5.27
External Clock Input (XOUT, XCIN)
Symbol
Parameter
Standard
Unit
Min.
Max.
tc(XOUT)
XOUT input cycle time
200
ns
tWH(XOUT)
XOUT input “H” width
90
ns
tWL(XOUT)
XOUT input “L” width
90
ns
tc(XCIN)
XCIN input cycle time
14
s
tWH(XCIN)
XCIN input “H” width
7
s
tWL(XCIN)
XCIN input “L” width
7
s
Table 5.28
TRAIO Input
Symbol
Parameter
Standard
Unit
Min.
Max.
tc(TRAIO)
TRAIO input cycle time
500
ns
tWH(TRAIO)
TRAIO input “H” width
200
ns
tWL(TRAIO)
TRAIO input “L” width
200
ns
VCC = 2.2 V
External Clock Input
tWH(XOUT),
tWH(XCIN)
tC(XOUT), tC(XCIN)
tWL(XOUT), tWL(XCIN)
TRAIO input
tC(TRAIO)
tWL(TRAIO)
tWH(TRAIO)
VCC = 2.2 V
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