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AT49BV2048-15RJ PDF预览

AT49BV2048-15RJ

更新时间: 2024-02-05 20:10:37
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 560K
描述
Flash, 128KX16, 150ns, PDSO44, 0.525 INCH, PLASTIC, SOIC-44

AT49BV2048-15RJ 数据手册

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Features  
Low Voltage Operation  
– 2.7V Read  
– 5V Program/Erase  
Fast Read Access Time - 120 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 104K Words (208K bytes) Main Memory Array Block  
Fast Sector Erase Time - 10 seconds  
Word-By-Word Programming - 10 µs/Word  
Hardware Data Protection  
DATA Polling For End Of Program Detection  
Low Power Dissipation  
– 25 mA Active Current  
– 50 µA CMOS Standby Current  
Typical 10,000 Write Cycles  
2-Megabit  
(128K x 16)  
3-volt Only  
Flash Memory  
Description  
The AT49BV2048 and AT49LV2048 are 3-volt, 2-megabit Flash Memories organized  
as 128K words of 16 bits each. Manufactured with Atmel’s advanced nonvolatile  
CMOS technology, the devices offer access times to 120 ns with power dissipation of  
just 67 mW at 2.7V read. When deselected, the CMOS standby current is less than 50 µA.  
(continued)  
AT49BV2048  
AT49LV2048  
Not Recommended  
for New Design  
Contact Atmel to discuss  
the latest design in trends  
and options  
Pin Configurations  
Pin Name  
A0 - A16  
CE  
Function  
Addresses  
Chip Enable  
OE  
Output Enable  
Write Enable  
Reset  
WE  
RESET  
VPP  
Program/Erase Power Supply  
Data Inputs/Outputs  
No Connect  
TSOP Top View  
I/O0 - I/O15  
NC  
Type1  
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  
SOIC (SOP)  
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  
4
VPP  
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  
5
NC  
NC  
2
6
3
A8  
7
A7  
4
A9  
A8  
8
A6  
5
A10  
A11  
A12  
A13  
A14  
A15  
A16  
NC  
NC  
9
A5  
6
NC  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
A4  
7
WE  
RESET  
VPP  
NC  
A3  
8
A2  
9
A1  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
NC  
A0  
NC  
CE  
NC  
GND  
OE  
GND  
I/O15  
I/O7  
I/O14  
I/O6  
I/O13  
I/O5  
I/O12  
I/O4  
VCC  
A7  
A6  
I/O0  
I/O8  
I/O1  
I/O9  
I/O2  
I/O10  
I/O3  
I/O11  
A5  
A4  
A3  
GND  
CE  
A2  
Rev. 0853C–12/98  
A1  
A0  

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Flash, 128KX16, 200ns, PDSO44, 0.525 INCH, PLASTIC, SOIC-44
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Flash, 128KX16, 200ns, PDSO44, 0.525 INCH, PLASTIC, SOIC-44
AT49BV2048-20TC ATMEL

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