SCN26562C4N48 查看數據表（PDF） - Philips Electronics
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SCN26562C4N48 Datasheet PDF : 17 Pages
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Philips Semiconductors
Dual universal serial communications controller (DUSCC)
Product specification
SCN26562
AC ELECTRICAL CHARACTERISTICS (Continued)
CEN
RDN
GPI1N
AND/OR
GPI2N
tGIVRDL
tRDLGII
Figure 8. Input Port Timing
SYMBOL
PARAMETER
tGIVRDL
tRDLGII
GPI input valid to RDN low
RDN low to GPI input invalid
LIMITS
SCN26562C4
SCN26562C2
Min
Max
Min
Max
20
20
100
100
SD00210
UNIT
ns
ns
X1/CLK
CTCLK
RxC
TxC
SYMBOL
PARAMETER
tCLHCLL
tCLLCLH
tCCHCCL
tCCLCCH
tRCHRCL
tRCLRCH
tTCHTCL
tTCLTCH
fCL
fCC
fRC
fTC
X1/CLK high to low time
X1/CLK low to high time
C/T CLK high to low time
C/T CLK low to high time
RxC high to low time
RxC low to high time
TxC high to low time
TxC low to high time
X1/CLK frequency
C/T CLK frequency
RxC frequency (16X or 1X)
TxC frequency (16X or 1X)
tCLHCLL
tCCHCCL
tRCHRCL
tTCHTCL
Figure 9. Clock
tCLLCLH
tCCLCCH
tRCLRCH
tTCLTCH
SD00211
LIMITS
SCN26562C4
SCN26562C2
Min
Typ
Max
Min
Typ
Max
25
25
100
100
110
110
110
110
2.0
14.7456 16.0
0
4.0
0
4.0
0
4.0
25
25
100
100
150
150
150
150
2.0
14.7456 16.0
0
4.0
0
2.5
0
2.5
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
MHz
MHz
MHz
MHz
1995 May 1
10
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