參數(shù)資料
型號: R5F21257SDFP
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP52
封裝: 10 X 10 MM, 0.65 MM PITCH, PLASTIC, LQFP-52
文件頁數(shù): 44/59頁
文件大?。?/td> 528K
代理商: R5F21257SDFP
R8C/24 Group, R8C/25 Group
5. Electrical Characteristics
Rev.3.00
Feb 29, 2008
Page 49 of 51
REJ03B0117-0300
Timing requirements
(Unless Otherwise Specified: VCC = 2.2 V, VSS = 0 V at Topr = 25
°C) [VCC = 2.2 V]
Figure 5.16
XIN Input and XCIN Input Timing Diagram when VCC = 2.2 V
Figure 5.17
TRAIO Input Timing Diagram when VCC = 2.2 V
Table 5.30
XIN Input, XCIN Input
Symbol
Parameter
Standard
Unit
Min.
Max.
tc(XIN)
XIN input cycle time
200
ns
tWH(XIN)
XIN input “H” width
90
ns
tWL(XIN)
XIN 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 5.31
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
XIN input
tWH(XIN)
tC(XIN)
tWL(XIN)
VCC = 2.2 V
XCIN input
tWH(XCIN)
tC(XCIN)
tWL(XCIN)
TRAIO input
tC(TRAIO)
tWL(TRAIO)
tWH(TRAIO)
VCC = 2.2 V
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