LH7A404 Sharp Electronics, LH7A404 Datasheet - Page 66

• 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

LH7A404
NOTE: *The timing relationship is specified as a cycle-based timing. Due to variations in crystal input clock jitter,
66
tDA_nPWRFL_nRSTO
tA_nRSTO
tA_nPWRFL
tDD_nPWRFL_WKUP
tA_WKUP
tDA_nPWRFL_CLKEN
tDA_WKUP_CLKEN
nRESETOUT
WAKEUP
nPWRFL
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.
CLKEN
SIGNAL
TRIGGER
POINT
tDA_nPWRFL_CLKEN
tDA_nPWRFL_nRSTO
MIN.
Table 16. nRESETOUT Timing Values for nPWRFL Trigger
2
4
2
4
2
2
Figure 51. nRESETOUT Timing for nPWRFL Trigger
TYP.
2
tA_nPWRFL
MAX.
4
4
4
tA_nRSTO
XTAL32 Periods
XTAL32 Periods
XTAL32 Periods
XTAL32 Periods
XTAL32 Periods
XTAL32 Periods
1 Hz Periods
UNITS*
Version 1.5
tDD_nPWRFL_WKUP
nPWRFL to nRESETOUT assertion delay
nRESETOUT assertion time
nPWRFL assertion time
nPWRFL deassertion to WAKEUP assertion delay
WAKEUP assertion time
nPWRFL assertion to CLKEN deassertino delay
WAKEUP to CLKEN assertion delay
tDA_WKUP_CLKEN
DESCRIPTION
tA_WKUP
32-Bit System-on-Chip
Data Sheet
LH7A404-200