lh7a404n0e000b3 NXP Semiconductors, lh7a404n0e000b3 Datasheet - Page 65

• Manufacturer Part Number: lh7a404n0e000b3
• Description: Lh7a404 32-bit System-on-chip
• Manufacturer: NXP Semiconductors

32-Bit System-on-Chip
NOTE: *The timing relationship is specified as a cycle-based timing. Due to variations in crystal input clock jitter,
Preliminary data sheet
tDA_nURESET_nRSTO
tDD_nURESET_nRSTO
tA_nURESET
tDD_nURESET_WKUP
tA_WKUP
tDA_nURESET_CLKEN
tDA_WKUP_CLKEN
nRESETOUT
nURESET
WAKEUP
CLKEN
add some timing margin to avoid any possible corner case condition.
power rail noise and I/O conditioning these timings will vary marginally. It is recommended that designers
TRIGGER
SIGNAL
POINT
tDA_nURESET_CLKEN
tDA_nURESET_nRSTO
Table 15. nRESETOUT Timing Values for nURESET Trigger
MIN. TYP.
2
0
4
2
4
2
2
Figure 50. nRESETOUT Timing for nURESET Trigger
tA_nURESET
MAX.
4
2
4
4
XTAL32 Periods*
XTAL32 Periods*
XTAL32 Periods*
XTAL32 Periods*
XTAL32 Periods*
XTAL32 Periods*
XTAL32 Periods*
NXP Semiconductors
UNITS
tDD_nURESET_nRSTO
tDD_nURESET_WKUP
nURESET to nRESETOUT assertion delay
nURESET to nRESETOUT deassertion delay
nURESET assertion time
nURESET deassertion to WAKEUP assertion delay
WAKEUP assertion time
nURESET assertion to CLKEN deassertion delay
WAKEUP to CLKEN assertion delay
tDA_WKUP_CLKEN
DESCRIPTION
tA_WKUP
LH7A404
LH7A404-201
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