HY29F002T Datasheet, PDF(27/38 Page) Hynix Semiconductor – 2 Megabit (256K x 8), 5 Volt-only, Flash Memory

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HY29F002T Datasheet, PDF (27/38 Pages) Hynix Semiconductor – 2 Megabit (256K x 8), 5 Volt-only, Flash Memory

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AC CHARACTERISTICS

HY29F002T

Erase Command Sequence (last two cycles)

Read Status Data (last two cycles)

Addresses

tWC

tAS

0x2AA

CE#

OE#

WE#

tGHWL

tCH

tWP

tCS

tWPH

Data

0x55

tDS

tDH

VCC

tVCS

tAH

0x555 for chip erase

0x30

0x10 for

chip erase

tWHWH2 or tWHWH3

Status

DOUT

Notes:

1. SA =Sector Address (for sector erase), VA = Valid Address for reading status data (see Write Operation Status section),

DOUT is the true data at the read address.(0xFF after an erase operation).

2. VCC shown only to illustrate tVCS measurement references. It cannot occur as shown during a valid command sequence.

Figure 16. Sector/Chip Erase Operation Timings

Rev. 4.1/May 01

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