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DS1245AB-85-IND PDF预览

DS1245AB-85-IND

更新时间: 2024-11-13 23:48:39
品牌 Logo 应用领域
其他 - ETC 电池内存集成电路静态存储器光电二极管
页数 文件大小 规格书
12页 525K
描述
NVRAM (Battery Based)

DS1245AB-85-IND 数据手册

 浏览型号DS1245AB-85-IND的Datasheet PDF文件第2页浏览型号DS1245AB-85-IND的Datasheet PDF文件第3页浏览型号DS1245AB-85-IND的Datasheet PDF文件第4页浏览型号DS1245AB-85-IND的Datasheet PDF文件第5页浏览型号DS1245AB-85-IND的Datasheet PDF文件第6页浏览型号DS1245AB-85-IND的Datasheet PDF文件第7页 
DS1245Y/AB  
1024k Nonvolatile SRAM  
www.maxim-ic.com  
FEATURES  
PIN ASSIGNMENT  
§ 10 years minimum data retention in the  
absence of external power  
NC  
A16  
A14  
A12  
A7  
VCC  
A15  
NC  
WE  
A13  
A8  
1
32  
31  
2
3
4
30  
29  
§ Data is automatically protected during power  
loss  
5
6
28  
27  
§ Replaces 128k x 8 volatile static RAM,  
EEPROM or Flash memory  
§ Unlimited write cycles  
A6  
A5  
A4  
A9  
A11  
OE  
A10  
CE  
7
8
26  
25  
A3  
9
24  
23  
§ Low-power CMOS  
A2  
10  
A1  
§ Read and write access times as fast as 70 ns  
§ Lithium energy source is electrically  
disconnected to retain freshness until power is  
applied for the first time  
§ Full ±10% VCC operating range (DS1245Y)  
§ Optional ±5% VCC operating range  
(DS1245AB)  
§ Optional industrial temperature range of  
-40°C to +85°C, designated IND  
§ JEDEC standard 32-pin DIP package  
§ PowerCap Module (PCM) package  
11  
12  
22  
21  
DQ7  
DQ6  
DQ5  
DQ4  
DQ3  
A0  
13  
14  
15  
16  
20  
19  
DQ0  
DQ1  
DQ2  
18  
17  
GND  
32-PIN ENCAPSULATED PACKAGE  
740 MIL EXTENDED  
NC  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
24  
23  
22  
NC  
A15  
A16  
NC  
1
2
3
NC  
A14  
A13  
A12  
A11  
A10  
A9  
4
5
6
7
-
-
Directly surface-mountable module  
Replaceable snap-on PowerCap provides  
lithium backup battery  
VCC  
WE  
OE  
CE  
8
A8  
9
DQ7  
DQ6  
DQ5  
DQ4  
DQ3  
A7  
A6  
A5  
A4  
A3  
A2  
A1  
A0  
10  
11  
-
-
Standardized pinout for all nonvolatile  
SRAM products  
Detachment feature on PowerCap allows  
easy removal using a regular screwdriver  
12  
13  
14  
GND  
VBAT  
21  
20  
19  
DQ2  
DQ1  
DQ0  
GND  
15  
16  
17  
18  
34-PIN POWERCAP MODULE (PCM)  
(USES DS9034PC POWERCAP)  
PIN DESCRIPTION  
A0 - A16  
DQ0 - DQ7  
CE  
- Address Inputs  
- Data In/Data Out  
- Chip Enable  
- Write Enable  
- Output Enable  
- Power (+5V)  
- Ground  
WE  
OE  
VCC  
GND  
NC  
- No Connect  
1 of 12  
072601  

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