EEWORLDEEWORLDEEWORLD

Part Number

Search

AT49F002NT-90JJ

Description
Flash, 256KX8, 90ns, PQCC32, PLASTIC, MS-016AE, LCC-32
Categorystorage    storage   
File Size498KB,17 Pages
ManufacturerAtmel (Microchip)
Environmental Compliance
Download Datasheet Parametric View All

AT49F002NT-90JJ Overview

Flash, 256KX8, 90ns, PQCC32, PLASTIC, MS-016AE, LCC-32

AT49F002NT-90JJ Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
Parts packaging codeQFJ
package instructionPLASTIC, MS-016AE, LCC-32
Contacts32
Reach Compliance Codecompliant
ECCN codeEAR99
Maximum access time90 ns
Other featuresHARDWARE DATA PROTECTION
JESD-30 codeR-PQCC-J32
JESD-609 codee3
length13.97 mm
memory density2097152 bit
Memory IC TypeFLASH
memory width8
Humidity sensitivity level2
Number of functions1
Number of terminals32
word count262144 words
character code256000
Operating modeASYNCHRONOUS
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
organize256KX8
Package body materialPLASTIC/EPOXY
encapsulated codeQCCJ
Package shapeRECTANGULAR
Package formCHIP CARRIER
Parallel/SerialPARALLEL
Peak Reflow Temperature (Celsius)245
Programming voltage5 V
Certification statusNot Qualified
Maximum seat height3.55 mm
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)4.5 V
Nominal supply voltage (Vsup)5 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceMATTE TIN
Terminal formJ BEND
Terminal pitch1.27 mm
Terminal locationQUAD
Maximum time at peak reflow temperature40
typeNOR TYPE
width11.43 mm
Base Number Matches1
Features
Single-voltage Operation
– 5V Read
– 5V Reprogramming
Fast Read Access Time - 55 ns
Internal Program Control and Timer
Sector Architecture
– One 16K Byte Boot Block with Programming Lockout
– Two 8K Byte Parameter Blocks
– Two Main Memory Blocks (96K, 128K Bytes)
Fast Erase Cycle Time - 10 seconds
Byte-by-byte Programming - 10 µs/Byte Typical
Hardware Data Protection
DATA Polling for End of Program Detection
Low Power Dissipation
– 50 mA Active Current
– 100 µA CMOS Standby Current
Typical 10,000 Write Cycles
2-megabit
(256K x 8)
5-volt Only
Flash Memory
AT49F002
AT49F002N
AT49F002T
AT49F002NT
Not Recommended
for New Design
Contact
Atmel to discuss
the latest design in trends
and options
Description
The AT49F002(N)(T) is a 5-volt only in-system reprogrammable Flash memory. Its 2
megabits of memory is organized as 262,144 words by 8 bits. Manufactured with
Atmel’s advanced nonvolatile CMOS technology, the device offers access times to 55
ns with power dissipation of just 275 mW over the commercial temperature range.
(continued)
Pin Configurations
Pin Name
A0 - A17
CE
OE
WE
RESET
I/O0 - I/O7
DC
Function
Addresses
Chip Enable
Output Enable
Write Enable
RESET
Data Inputs/Outputs
Don’t Connect
PLCC Top View
A12
A15
A16
RESET *
VCC
WE
A17
DIP Top View
* RESET
A16
A15
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O0
I/O1
I/O2
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
VCC
WE
A17
A14
A13
A8
A9
A11
OE
A10
CE
I/O7
I/O6
I/O5
I/O4
I/O3
VSOP Top View (8 x 14 mm) or
TSOP Top View (8 x 20 mm)
Type 1
A11
A9
A8
A13
A14
A17
WE
VCC
* RESET
A16
A15
A12
A7
A6
A5
A4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
OE
A10
CE
I/O7
I/O6
I/O5
I/O4
I/O3
GND
I/O2
I/O1
I/O0
A0
A1
A2
A3
I/O1
I/O2
GND
I/O3
I/O4
I/O5
I/O6
14
15
16
17
18
19
20
A7
A6
A5
A4
A3
A2
A1
A0
I/O0
5
6
7
8
9
10
11
12
13
4
3
2
1
32
31
30
29
28
27
26
25
24
23
22
21
A14
A13
A8
A9
A11
OE
A10
CE
I/O7
Rev. 1017D–10/99
*Note: This pin is a DC on the AT49F002(N)(T).
1
A novice encountered a problem with code transfer when doing embedded systems. Please help me
I want to test the performance of a system I made, using pxa270, which has 256kb internal SRAM. I want to put some heavy computing task function A code into this internal SRAM to run. My current metho...
liangyumir ARM Technology
DIY Cordless Portable Soldering Iron Award - How is your DIY soldering iron?
[size=3][font=微软雅黑]Thank you for participating in [url=https://bbs.eeworld.com.cn/forum.php?mod=viewthread&tid=523163&fromuid=476285]DIY together - wireless portable soldering iron[/url], how is your ...
eric_wang DIY/Open Source Hardware
Design of a low-cost noise meter
Source: Electronics World  Noise pollution, gas pollution and solid matter pollution have been called the three major pollutions in the world today. Excessive noise can damage people's health, such as...
安_然 Test/Measurement
Power Monitor by AnalogySemi
This time the topic is based on CSD202, which is a high voltage bi-directional power monitor that uses the IIC interface, so we will start with IIC this time. A brief introduction to CSD202 is shown i...
xutong Analog electronics
Help
I am a newbie who has just come into contact with 51. After I bought the microcontroller, I found that there was no prompt after connecting it to the computer. What should I do? Can you help me with t...
king@ 51mcu
VDMOS Layout
[font=Verdana, Helvetica, Arial, sans-serif][size=14px]How do I draw a VDMOS layout using Ledit? What does a single cell diagram and the overall layout of multiple cells in parallel look like? Does an...
hyj1111122222 Analog electronics

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 1093  2727  442  1819  2167  22  55  9  37  44 
Datasheet   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Room 1530, 15th Floor, Building B, No. 18 Zhongguancun Street, Haidian District, Beijing Telephone: (010) 82350740 Postal Code: 100190
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved 京ICP证060456号 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号