LH7A404 Sharp Electronics, LH7A404 Datasheet - Page 65

• Manufacturer Part Number: LH7A404
• Manufacturer: Sharp Electronics

Specifications of LH7A404

• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Processing Unit: Microcontroller
• Operating Supply Voltage (min): 1.71V
• Operating Supply Voltage (typ): 1.8V
• Operating Supply Voltage (max): 1.89V
• Package Type: CABGA
• Pin Count: 324
• Mounting: Surface Mount
• Rad Hardened: No
• Lead Free Status / RoHS Status: Not Compliant

32-Bit System-on-Chip
NOTE: *The timing relationship is specified as a cycle-based timing. Due to variations in crystal input clock jitter,
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
power rail noise and I/O conditioning these timings will vary marginally. It is recommended that designers
add some timing margin to avoid any possible corner case condition.
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*
UNITS
Version 1.5
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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