AT29C257-90JC Atmel, AT29C257-90JC Datasheet - Page 10
![IC FLASH 256KBIT 90NS 32PLCC](/photos/7/21/72190/453-32-plcc_sml.jpg)
AT29C257-90JC
Manufacturer Part Number
AT29C257-90JC
Description
IC FLASH 256KBIT 90NS 32PLCC
Manufacturer
Atmel
Datasheet
1.AT29C257-12JI.pdf
(12 pages)
Specifications of AT29C257-90JC
Format - Memory
FLASH
Memory Type
FLASH
Memory Size
256K (32K x 8)
Speed
90ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Package / Case
32-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
AT29C25790JC
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT29C257-90JC
Manufacturer:
ATM
Quantity:
2 640
Company:
Part Number:
AT29C257-90JC
Manufacturer:
ATM
Quantity:
2 640
Company:
Part Number:
AT29C257-90JC
Manufacturer:
ATMEL
Quantity:
16 988
Notes for software product identification:
1. Data Format: I/O7 - I/O0 (Hex);
2. A1 - A14 = V
3. The device does not remain in identification mode if
4. The device returns to standard operation mode.
5. Manufacturer Code: 1F
Software Product
Identification Entry
4-114
Address Format: A14 - A0 (Hex).
Manufacture Code is read for A0 = V
Device Code is read for A0 = V
powered down.
Device Code: DC
IL
.
ADDRESS 2AAA
ADDRESS 5555
ADDRESS 5555
LOAD DATA AA
LOAD DATA 55
LOAD DATA 90
PAUSE 10 mS
TO
TO
TO
AT29C257
(1)
IH
.
IL;
ENTER PRODUCT
IDENTIFICATION
MODE
(2, 3, 5)
Software Product
Identification Exit
ADDRESS 2AAA
LOAD DATA AA
ADDRESS 5555
ADDRESS 5555
LOAD DATA F0
LOAD DATA 55
PAUSE 10 mS
TO
TO
TO
(1)
EXIT PRODUCT
IDENTIFICATION
MODE
(4)