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AT49F4096-90TJ PDF预览

AT49F4096-90TJ

更新时间: 2024-11-09 03:13:03
品牌 Logo 应用领域
爱特美尔 - ATMEL 光电二极管
页数 文件大小 规格书
13页 411K
描述
Flash, 256KX16, 90ns, PDSO48, PLASTIC, MO-142DD, TSOP-48

AT49F4096-90TJ 数据手册

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Features  
Single Voltage Operation  
– 5V Read  
– 5V Reprogramming  
Fast Read Access Time - 90 ns  
Internal Erase/Program Control  
Sector Architecture  
– One 8K Words (16K Bytes) Boot Block with Programming Lockout  
– Two 8K Words (16K Bytes) Parameter Blocks  
– One 232K Words (464K Bytes) Main Memory Array Block  
Fast Sector Erase Time - 10 seconds  
Word-By-Word Programming - 50 µs/Word  
Hardware Data Protection  
DATA Polling For End Of Program Detection  
Low Power Dissipation  
– 50 mA Active Current  
– 300 µA CMOS Standby Current  
Typical 10,000 Write Cycles  
4-Megabit  
(256K x 16)  
5-volt Only  
Flash Memory  
Description  
The AT49F4096 is a 5-volt only, 4-megabit Flash Memory organized as 256K words of  
16 bits each. Manufactured with Atmel’s advanced nonvolatile CMOS technology, the  
device offers access times to 90 ns with power dissipation of just 275 mW. When  
AT49F4096  
Not Recommended  
for New Design  
Contact Atmel to discuss  
the latest design in trends  
and options  
deselected, the CMOS standby current is less than 300 µA.  
(continued)  
Pin Configurations  
Pin Name  
A0 - A17  
CE  
Function  
Addresses  
Chip Enable  
Output Enable  
Write Enable  
Reset  
OE  
WE  
TSOP Top View  
RESET  
I/O0 - I/O15  
NC  
Type 1  
Data Inputs/Outputs  
No Connect  
A15  
A14  
A13  
A12  
A11  
A10  
A9  
1
48  
47  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
A16  
2
NC  
3
GND  
I/O15  
I/O7  
I/O14  
I/O6  
I/O13  
I/O5  
I/O12  
I/O4  
VCC  
I/O11  
I/O3  
I/O10  
I/O2  
I/O9  
I/O1  
I/O8  
I/O0  
OE  
SOIC (SOP)  
4
5
NC  
NC  
1
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
24  
23  
RESET  
WE  
6
2
7
A17  
A7  
3
A8  
A8  
8
4
A9  
NC  
9
A6  
5
A10  
NC  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
A5  
6
A11  
WE  
RESET  
NC  
A4  
7
A12  
A3  
8
A13  
A2  
9
A14  
NC  
A1  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
A15  
NC  
A0  
A16  
NC  
CE  
NC  
A17  
A7  
GND  
OE  
GND  
I/O15  
I/O7  
1/O14  
I/O6  
I/O13  
I/O5  
I/O12  
I/O4  
VCC  
A6  
I/O0  
I/O8  
I/O1  
I/O9  
I/O2  
I/O10  
I/O3  
I/O11  
A5  
A4  
A3  
GND  
CE  
A2  
Rev. 0569F–12/98  
A1  
A0  

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