RM46L450
RM46L850
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SPNS184 –SEPTEMBER 2012
Table 4-4. Electrical Requirements for nPORRST (continued)
NO Parameter
MIN
MAX
Unit
tf(nPORRST)
500
2000
ns
Filter time nPORRST pin;
pulses less than MIN will be filtered out, pulses greater than MAX
will generate a reset.
3.3 V
1.2 V
VCCIOPORH
VCCIOPORH
VCCIO / VCCP
8
6
VCCPORH
VCC
VCCPORH
7
6
VCCIOPORL
7
VCCIOPORL
VCCPORL
VCCPORL
VCC (1.2 V)
VCCIO / VCCP(3.3 V)
3
9
VIL
VIL
VIL
VIL(PORRST)
VIL(PORRST)
nPORRST
NOTE: There is no timing dependency between the ramp of the VCCIO and the VCC supply voltage; this is just an exemplary drawing.
Figure 4-1. nPORRST Timing Diagram
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