LH28F400SU-NC View Datasheet(PDF) - Sharp Electronics
Part Name
Description
MFG CO.
'LH28F400SU-NC' PDF : 35 Pages View PDF
LH28F400SU-NC
4M (512K × 8, 256K × 16) Flash Memory
POWER-UP AND RESET TIMINGS
VCC POWER UP
RP (P)
VCC (5 V)
0V
5.0 V
4.5 V
tPL5V
ADDRESS (A)
DATA (Q)
tAVQV
VALID
tPHQV
Figure 21. VCC Power-Up and RP » Reset Waveforms
VALID
5.0 V OUTPUTS
28F400SUT-NC60-19
SYMBOL
PARAMETER
MIN. MAX. UNITS NOTE
tPL5V RP » Low to VCC at 4.5 V MIN.
0
µs
1
tAVQV Address Valid to Data Valid for VCC = 5 V ± 10%
75
ns
2
tPHQV RP » High to Data Valid for VCC = 5 V ± 10%
430
ns
2
NOTES:
CE » and OE » are switched low after Power-Up.
1. The power supply may start to switch concurrently with RP » going Low. RP » is required to stay low, until VCC stays at
recommended operating voltage.
2. The address access time and RP » high to data valid time are shown for 5.0 V VCC operation. Refer to the
AC Characteristics Read Only Operations also.
26
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