ST7628
11.4 Serial Interface Characteristics (4-pin Serial)
Figure 11.7 4-pin Serial Interface Characteristics
(VSS=0V, VDDI=1.65V to 3.0V, VDDA=2.4V to 3.3V,Ta =25°C)
MIN MAX Unit Description
Signal
Symbol
TCSS
TCSH
TSCC
TCHW
TSAS
Parameter
Chip select setup time
Chip select hold time
Chip select setup time
Chip select setup time
Address setup time
60
65
20
45
30
30
100
35
35
150
60
60
60
60
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
/CS
A0
SCL
SI
TSAH
Address hold time
TSCYCW
TSHW
TSLW
TSCYCR
TSHR
TSLR
TSDS
TSDH
Serial clock cycle (Write)
SCL “H” pulse width (Write)
SCL “L” pulse width (Write)
Serial clock cycle (Read)
SCL “H” pulse width (Read)
SCL “L” pulse width (Read)
Data setup time
Data hold time
Ver 1.4
196/213
2008/08