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TPS3613-01 PDF预览

TPS3613-01

更新时间: 2024-11-18 22:19:23
品牌 Logo 应用领域
德州仪器 - TI 电池
页数 文件大小 规格书
15页 326K
描述
ADJUSTABLE BATTERY BACK UP SUPERVISOR FOR RAM RETENTION

TPS3613-01 数据手册

 浏览型号TPS3613-01的Datasheet PDF文件第2页浏览型号TPS3613-01的Datasheet PDF文件第3页浏览型号TPS3613-01的Datasheet PDF文件第4页浏览型号TPS3613-01的Datasheet PDF文件第5页浏览型号TPS3613-01的Datasheet PDF文件第6页浏览型号TPS3613-01的Datasheet PDF文件第7页 
ꢈꢉꢊ ꢋꢂ ꢀꢈꢌꢍ ꢎ ꢌꢈꢀ ꢀꢎ ꢏꢐꢆꢌꢈꢑ ꢒꢋꢁ ꢂꢋꢁ ꢎ ꢏꢓ ꢔꢂ ꢕ  
SLVS340B – DECEMBER 2000 – REVISED DECEMBER 2002  
D
D
D
Supply Current of 40 µA (Max)  
typical applications  
Battery Supply Current of 100 nA (Max)  
D
Fax Machines  
Supply Voltage Supervision Range:  
– Adjustable  
– Other Versions Available on Request  
D
D
D
D
D
D
D
D
Set-Top Boxes  
Advanced Voice Mail Systems  
Portable Battery Powered Equipment  
Computer Equipment  
D
D
Backup-Battery Voltage Can Exceed V  
DD  
Power-On Reset Generator With Fixed  
100-ms Reset Delay Time  
Advanced Modems  
Automotive Systems  
D
Active-High and Active-Low Reset Output  
Portable Long-Time Monitoring Equipment  
Point-of-Sale Equipment  
D
Chip-Enable Gating . . . 3 ns (at V  
Max Propagation Delay  
= 5 V)  
DD  
D
D
10-Pin MSOP Package  
MSOP (DGS) Package  
(TOP VIEW)  
Temperature Range . . . –40°C to 85°C  
V
V
description  
OUT  
BAT  
V
RESET  
ACTUAL SIZE  
3,05 mm x 4,98 mm  
DD  
GND  
SENSE  
RESET  
CEOUT  
The TPS3613-01 supervisory circuit monitors  
MR  
and controls processor activity by providing  
backup-battery switchover for data retention of  
CMOS RAM.  
CEIN  
During power on, RESET is asserted when the supply voltage (V  
or V  
) becomes higher than 1.1 V.  
DD  
BAT  
Thereafter, the supply voltage supervisor monitors V  
and keeps RESET output active as long as V  
remains  
DD  
DD  
below the threshold voltage V . An internal timer delays the return of the output to the inactive state (high) to  
IT  
ensure proper system reset. The delay time starts after V  
has risen above the threshold voltage V .  
DD  
IT  
When the supply voltage drops below the threshold voltage V , the output becomes active (low) again.  
IT  
The TPS3613-01 is available in a 10-pin MSOP package and is characterized for operation over a temperature  
range of –40°C to 85°C.  
typical operating circuit  
Address  
Power  
Decoder  
Supply  
0.1 µF  
Monitored  
Voltage  
CE  
CMOS  
RAM  
CE  
CMOS  
RAM  
Address Bus  
uC  
CEIN  
CEOUT  
Real-  
Time  
Clock  
Backup  
Battery  
V
DD  
V
BAT  
R
R
x
y
V
CC  
V
CC  
V
CC  
SENSE  
8
8
RESET  
RESET  
Data Bus  
16  
TPS3613  
MR  
Switchover  
Capacitor  
Manual  
Reset  
V
OUT  
V
CC  
0.1 µF  
GND  
GND  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
Copyright 2002, Texas Instruments Incorporated  
ꢀꢤ  
ꢠ ꢤ ꢡ ꢠꢙ ꢚꢮ ꢜꢛ ꢟ ꢧꢧ ꢥꢟ ꢝ ꢟ ꢞ ꢤ ꢠ ꢤ ꢝ ꢡ ꢩ  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

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