lh28f400su-nc Sharp Microelectronics of the Americas, lh28f400su-nc Datasheet - Page 26

• Manufacturer Part Number: lh28f400su-nc
• Description: 512k 256k Flash Memory
• Manufacturer: Sharp Microelectronics of the Americas

LH28F400SU-NC
POWER-UP AND RESET TIMINGS
NOTES:
CE
1. The power supply may start to switch concurrently with RP
2. The address access time and RP
26
SYMBOL
ADDRESS (A)
»
t
recommended operating voltage.
AC Characteristics Read Only Operations also.
t
t
AVQV
PHQV
and OE
PL5V
DATA (Q)
V
CC
RP (P)
(5 V)
»
are switched low after Power-Up.
V
RP
Address Valid to Data Valid for V
RP
CC
POWER UP
»
»
Low to V
High to Data Valid for V
0 V
CC
at 4.5 V MIN.
Figure 21. V
PARAMETER
»
high to data valid time are shown for 5.0 V V
CC
= 5 V ± 10%
CC
CC
Power-Up and RP
= 5 V ± 10%
»
going Low. RP
»
MIN.
is required to stay low, until V
»
0
t
Reset Waveforms
PL5V
CC
operation. Refer to the
4M (512K × 8, 256K × 16) Flash Memory
4.5 V
MAX.
430
75
5.0 V
UNITS
µs
ns
ns
t
PHQV
CC
t
stays at
AVQV
NOTE
1
2
2
5.0 V OUTPUTS
VALID
VALID
28F400SUT-NC60-19