S29AL004D Просмотр технического описания (PDF) - Spansion Inc.

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производитель

S29AL004D

4 Megabit (512 Kx 8-Bit/256 K x 16-Bit) CMOS 3.0 Volt-only Boot Sector Flash Memory

Spansion Inc. 

Advance Information

Figure 1 shows the algorithm and Figure 22, on page 45 shows the timing dia-

grams, for this feature.

START

RESET# = VID (Note 1)

Perform Erase or

Program Operations

RESET# = VIH

Temporary Sector

Unprotect Completed

(Note 2)

Notes:

1. All protected sectors unprotected.

2. All previously protected sectors are protected once

again.

Figure 1. Temporary Sector Unprotect Operation

16

S29AL004D

S29AL004D_00_A1 February 18, 2005

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