LH28F400SUN-LC15 View Datasheet(PDF) - Sharp Electronics

Part Name

Description

MFG CO.

LH28F400SUN-LC15

4M (512K × 8, 256K × 16) Flash Memory

Sharp Electronics 

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LH28F400SU-LC

4M (512K × 8, 256K × 16) Flash Memory

POWER-UP AND RESET TIMINGS

VCC POWER UP

RP (P)

VCC (3 V)

0V

3.3 V

3.0 V

tPL3V

ADDRESS (A)

DATA (Q)

tAVQV

VALID

tPHQV

Figure 18. VCC Power-Up and RP » Reset Waveforms

VALID

3.3 V OUTPUTS

28F400SUH-LC15-18

SYMBOL

PARAMETER

MIN. MAX. UNITS

tPL3V RP » Low to VCC at 3.0 V MIN.

0

tAVQV Address Valid to Data Valid for VCC = 3.3 V ± 0.3 V

tPHQV RP » High to Data Valid for VCC = 3.3 V ± 0.3 V

µs

150

ns

750

ns

NOTES:

CE » and OE » are switched low after Power-Up.

1. The power supply may start to switch concurrently with RP » going Low.

2. The address access time and RP » high to data valid time are shown for 3.3 V VCC operation. Refer to the

AC Characteristics Read Only Operations also.

NOTE

1

2

2

28

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