DS1248 Datasheet

  • DS1248

  • 1024K NV SRAM with Phantom Clock

  • 277.20KB

  • Dallas   Dallas

扫码查看芯片数据手册

上传产品规格书

PDF预览

DS1248/DS1248P
1024k NV SRAM with Phantom Clock
www.maxim-ic.com
FEATURES
Real-time clock (RTC) keeps track of
hundredths of seconds, minutes, hours, days,
date of the month, months, and years
128k x 8 NV SRAM directly replaces
volatile static RAM or EEPROM
Embedded lithium energy cell maintains
calendar operation and retains RAM data
Watch function is transparent to RAM
operation
Month and year determine the number of
days in each month; valid up to 2100
Full 10% operating range
Operating temperature range: 0掳C to +70掳C
Over 10 years of data retention in the
absence of power
Lithium energy source is electrically
disconnected to retain freshness until power
is applied for the first time
DIP Module only
Standard 32-pin JEDEC pinout
PowerCap
Module Board only
-
Surface mountable package for direct
connection to PowerCap containing
battery and crystal
-
Replaceable battery (PowerCap)
-
Pin for pin compatible with DS1244P
and DS1251P
PIN ASSIGNMENT
RST
A16
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
DQ0
DQ1
DQ2
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
V
CC
A15
NC
WE
A13
A8
A9
A11
OE
A10
CE
DQ7
DQ6
DQ5
DQ4
DQ3
32-Pin Encapsulated Package
740mil Flush
RST
A15
A16
NC
V
CC
WE
OE
CE
DQ7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
DQ0
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
X1
GND V
BAT
X2
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
NC
NC
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
34-Pin PowerCap Module Board
(Uses DS9034PCX PowerCap)
PowerCap is a registered trademark of Dallas Semiconductor.
1 of 21
112801

DS1248 PDF文件相关型号

DS1248P

DS1248相关型号PDF文件下载

您可能感兴趣的PDF文件资料

热门IC型号推荐

扫码下载APP,
一键连接广大的电子世界。

在线人工客服

买家服务:
卖家服务:
技术客服:

0571-85317607

网站技术支持

13606545031

客服在线时间周一至周五
9:00-17:30

关注官方微信号,
第一时间获取资讯。

建议反馈
返回顶部

建议反馈

联系人:

联系方式:

按住滑块,拖拽到最右边
>>
感谢您向阿库提出的宝贵意见,您的参与是维库提升服务的动力!意见一经采纳,将有感恩红包奉上哦!