S29AL004D90TFI020 Spansion Inc., S29AL004D90TFI020 Datasheet - Page 33
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S29AL004D90TFI020
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
S29AL004D90TFI020
Manufacturer:
SPANSION
Quantity:
4 300
Part Number:
S29AL004D90TFI020H
Manufacturer:
SPANSION
Quantity:
20 000
Notes:
1. DQ5 switches to 1 when an Embedded Program or Embedded Erase operation has exceeded the maximum timing
2. DQ7 and DQ2 require a valid address when reading status information. Refer to the appropriate subsection for further
February 18, 2005 S29AL004D_00_A1
Standard
Suspend
Erase
Mode
Mode
limits. See
details.
Embedded Program Algorithm
Reading within Erase
Suspended Sector
Embedded Erase Algorithm
Reading within Non-Erase
DQ5: Exceeded Timing Limits‚ on page 29
Erase-Suspend-Program
Operation
accepts additional sector erase commands. To ensure the command is accepted,
the system software should check the status of DQ3 prior to and following each
subsequent sector erase command. If DQ3 is high on the second status check,
the last command might not have been accepted.
DQ3.
Suspended Sector
A d v a n c e
Table 6. Write Operation Status
(Note 2)
DQ7#
DQ7#
I n f o r m a t i o n
DQ7
Data
0
1
S29AL004D
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for more information.
DQ6
Data
(Note 1)
Table 6
DQ5
Data
0
0
0
0
shows the outputs for
DQ3
Data
N/A
N/A
N/A
1
(Note 2)
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DQ2
Data
N/A
RY/BY#
0
0
1
1
0
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