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AT49BV4096-20TJ PDF预览

AT49BV4096-20TJ

更新时间: 2024-11-30 03:37:47
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 380K
描述
Flash, 256KX16, 200ns, PDSO48, PLASTIC, MO-142DD, TSOP1-48

AT49BV4096-20TJ 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 232K Words (464K 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  
4-Megabit  
(256K x 16)  
3-volt Only  
Flash Memory  
Description  
AT49BV4096  
AT49LV4096  
Not Recommended  
The AT49BV4096 and AT49LV4096 are 3-volt, 4-megabit Flash Memories organized  
as 256K 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.  
To allow for simple in-system reprogrammability, the AT49BV4096/LV4096 does not  
require high input voltages for programming. Reading data out of the device is similar  
for New Design  
Contact Atmel to discuss  
the latest design in trends  
and options  
(continued)  
Pin Configurations  
Pin Name  
A0 - A17  
CE  
Function  
Addresses  
TSOP Top View  
Chip Enable  
Type 1  
OE  
Output Enable  
Write Enable  
Reset  
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  
WE  
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  
4
RESET  
VPP  
5
6
7
Program/Erase Power Supply  
A8  
8
NC  
9
NC  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
I/O0 - I/O15 Data Inputs/Outputs  
WE  
RESET  
VPP  
NC  
NC  
No Connect  
SOIC (SOP)  
NC  
NC  
A17  
A7  
VPP  
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  
A6  
2
A5  
A17  
A7  
3
A8  
A4  
4
A9  
A3  
GND  
CE  
A6  
5
A10  
A11  
A12  
A13  
A14  
A15  
A16  
NC  
A2  
A5  
6
A1  
A0  
A4  
7
A3  
8
A2  
9
A1  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
A0  
CE  
GND  
OE  
GND  
I/O15  
I/O7  
I/O14  
I/O6  
I/O13  
I/O5  
I/O12  
I/O4  
VCC  
I/O0  
I/O8  
I/O1  
I/O9  
I/O2  
I/O10  
I/O3  
I/O11  
Rev. 0985B–10/98  

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