AT7911E
11.4 AC Electrical Characteristics
The following table gives the worst case timings measured by Atmel on the 4.5V to 5.5V operat-
ing range
Table 11-6. 5V operating range timings.
Parameter
Symbol
Min.
Max.
Unit
Propagation delay CLK Low to HACK High
Tp1
29
ns
Propagation delay CLK High to CMCS0* Low
Propagation delay CLK High to CMADR0 High
Propagation delay CLK10 High to LDO1 High
Propagation delay CLK10 High to LDO2 High
Propagation delay CLK10 High to LDO3 High
Tp2
Tp3
Tp4
Tp5
Tp6
18
17
30
32
36
ns
ns
ns
ns
ns
The following table gives the worst case timings measured by Atmel on the 3.0V to 3.6V operat-
ing range
Table 11-7. 3.3V operating range timings
Parameter
Symbol
Min.
Max.
Unit
Propagation delay CLK Low to HACK High
Tp1
47
ns
Propagation delay CLK High to CMCS0* Low
Propagation delay CLK High to CMADR0 High
Propagation delay CLK10 High to LDO1 High
Propagation delay CLK10 High to LDO2 High
Propagation delay CLK10 High to LDO3 High
Tp2
Tp3
Tp4
Tp5
Tp6
30
28
51
54
61
ns
ns
ns
ns
ns
For guaranteed timings on the two operating voltage ranges, refer to the section 9 of the
‘SMCS332SpW User Manual’
19
7737B–AERO–05/08
ATMEL [ ATMEL ]
