AT29C040A-15PI Atmel, AT29C040A-15PI Datasheet - Page 11
AT29C040A-15PI
Manufacturer Part Number
AT29C040A-15PI
Description
IC FLASH 4MBIT 150NS 32DIP
Manufacturer
Atmel
Datasheet
1.AT29C040A-12PC.pdf
(17 pages)
Specifications of AT29C040A-15PI
Format - Memory
FLASH
Memory Type
FLASH
Memory Size
4M (512K x 8)
Speed
150ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Package / Case
32-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
AT29C040A15PI
Available stocks
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20. Software Protected Program Cycle Waveform
Notes:
18. Software Data Protection
Notes:
0333L–FLASH–9/08
Enable Algorithm
1. A8 through A18 must specify the sector address during each high to low transition of WE (or CE) after the software code has
2. OE must be high when WE and CE are both low.
3. All bytes that are not loaded within the sector being programmed will be indeterminate.
1. Data Format: I/O7 - I/O0 (Hex);
2. Data Protect state will be activated at end of program
3. Data Protect state will be deactivated at end of
4. 256 bytes of data MUST BE loaded.
been entered.
Address Format: A14 - A0 (Hex).
cycle.
program period.
SECTOR (256 BYTES)
ADDRESS 2AAA
LOAD DATA AA
ADDRESS 5555
ADDRESS 5555
LOAD DATA A0
LOAD DATA 55
LOAD DATA
TO
TO
TO
TO
(4)
(1)
WRITES ENABLED
ENTER DATA
PROTECT STATE
(2)
19. Software Data Protection
Disable Algorithm
(1)(2)(3)
SECTOR (256 BYTES)
ADDRESS 2AAA
ADDRESS 2AAA
LOAD DATA AA
ADDRESS 5555
ADDRESS 5555
LOAD DATA AA
ADDRESS 5555
ADDRESS 5555
LOAD DATA 55
LOAD DATA 80
LOAD DATA 55
LOAD DATA 20
LOAD DATA
TO
TO
TO
TO
TO
TO
TO
(4)
EXIT DATA
PROTECT STATE
(1)
AT29C040A
(3)
11