SMS1242S データシートの表示（PDF） - Summit Microelectronics
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SMS1242S
Summit Microelectronics
SMS1242S Datasheet PDF : 11 Pages
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SMS1242
Symbol
Parameter
f
SCL
tLOW
tHIGH
tBUF
tSU:STA
tHD:STA
tSU:STO
tAA
tDH
tR
tF
tSU:DAT
tHD:DAT
TI
SCL clock frequency
Clock low period
Clock high period
Bus free time
Start condition setup time
Start condition hold time
Stop condition setup time
Clock edge to valid output
Data Out hold time
SCL and SDA rise time
SCL and SDA fall time
Data In setup time
Data In hold time
Noise filter SCL and SDA
tWR
Write cycle time
Conditions
Before new transmission
SCL low to valid SDA (cycle n)
SCL low (cycle n+1) to SDA change
Noise suppresion
Min.
0
4.7
4.0
4.7
4.7
4.0
4.7
0.3
0.3
250
0
Max.
100
3.5
1000
300
100
5
Units
kHz
µs
µs
µs
µs
µs
µs
µs
µs
ns
ns
ns
ns
ns
ms
2038 Table01 2.0
tR
SCL
tSU:SDA
SDA In
SDA Out
tF
tHIGH
tLOW
tHD:SDA
tHD:DAT
tSU:DAT
tSU:STO
tBUF
tAA
tDH
Figure 7. Memory Timing
2038 Fig07 2.0
SUMMIT MICROELECTRONICS, Inc.
2038 2.0 6/8/00
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