S29AL004D90TFI020 Spansion Inc., S29AL004D90TFI020 Datasheet - Page 18

• Manufacturer Part Number: S29AL004D90TFI020
• Description: Flash Memory IC
• Manufacturer: Spansion Inc.

Specifications of S29AL004D90TFI020

• Memory Size: 4Mbit
• Memory Configuration: 512K X 8 / 256K X 16
• Ic Interface Type: Parallel
• Access Time: 90ns
• Memory Case Style: TSOP
• No. Of Pins: 48
• Operating Temperature Range: -40°C To +85°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

16
Figure 1
grams, for this feature.
shows the algorithm and
Notes:
1. All protected sectors unprotected.
2. All previously protected sectors are protected once
Figure 1. Temporary Sector Unprotect Operation
again.
A d v a n c e
RESET# = V
Unprotect Completed
Program Operations
S29AL004D
Figure 22, on page 45
Temporary Sector
Perform Erase or
RESET# = V
(Note 2)
START
ID
(Note 1)
I n f o r m a t i o n
IH
shows the timing dia-
S29AL004D_00_A1 February 18, 2005