參數(shù)資料
型號(hào): R5F21254SNXXXFP
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): 42/61頁
文件大?。?/td> 529K
代理商: R5F21254SNXXXFP
R8C/24 Group, R8C/25 Group
5. Electrical Characteristics
Rev.3.00
Feb 29, 2008
Page 45 of 51
REJ03B0117-0300
Timing requirements
(Unless Otherwise Specified: VCC = 3 V, VSS = 0 V at Topr = 25
°C) [VCC = 3 V]
Figure 5.12
XIN Input and XCIN Input Timing Diagram when VCC = 3 V
Figure 5.13
TRAIO Input Timing Diagram when VCC = 3 V
Table 5.24
XIN Input, XCIN Input
Symbol
Parameter
Standard
Unit
Min.
Max.
tc(XIN)
XIN input cycle time
100
ns
tWH(XIN)
XIN input “H” width
40
ns
tWL(XIN)
XIN input “L” width
40
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 5.25
TRAIO Input
Symbol
Parameter
Standard
Unit
Min.
Max.
tc(TRAIO)
TRAIO input cycle time
300
ns
tWH(TRAIO)
TRAIO input “H” width
120
ns
tWL(TRAIO)
TRAIO input “L” width
120
ns
XIN input
tWH(XIN)
tC(XIN)
tWL(XIN)
VCC = 3 V
XCIN input
tWH(XCIN)
tC(XCIN)
tWL(XCIN)
TRAIO input
VCC = 3 V
tC(TRAIO)
tWL(TRAIO)
tWH(TRAIO)
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