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TPS3613-01DGS Datasheet

  • TPS3613-01DGS

  • ADJUSTABLE BATTERY BACK UP SUPERVISOR FOR RAM RETENTION

  • 15頁

  • TI

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TPS3613 01
ADJUSTABLE BATTERY BACKUP SUPERVISOR
FOR RAM RETENTION
SLVS340B 鈥?DECEMBER 2000 鈥?REVISED DECEMBER 2002
D
Supply Current of 40
碌A(chǔ)
(Max)
D
Battery Supply Current of 100 nA (Max)
D
Supply Voltage Supervision Range:
D
D
D
D
D
D
鈥?Adjustable
鈥?Other Versions Available on Request
Backup-Battery Voltage Can Exceed V
DD
Power-On Reset Generator With Fixed
100-ms Reset Delay Time
Active-High and Active-Low Reset Output
Chip-Enable Gating . . . 3 ns (at V
DD
= 5 V)
Max Propagation Delay
10-Pin MSOP Package
Temperature Range . . . 鈥?0擄C to 85擄C
typical applications
D
D
D
D
D
D
D
D
D
Fax Machines
Set-Top Boxes
Advanced Voice Mail Systems
Portable Battery Powered Equipment
Computer Equipment
Advanced Modems
Automotive Systems
Portable Long-Time Monitoring Equipment
Point-of-Sale Equipment
MSOP (DGS) Package
(TOP VIEW)
VOUT
VDD
GND
MR
CEIN
VBAT
RESET
SENSE
RESET
CEOUT
description
The TPS3613-01 supervisory circuit monitors
and controls processor activity by providing
backup-battery switchover for data retention of
CMOS RAM.
ACTUAL SIZE
3,05 mm x 4,98 mm
During power on, RESET is asserted when the supply voltage (V
DD
or V
BAT
) becomes higher than 1.1 V.
Thereafter, the supply voltage supervisor monitors V
DD
and keeps RESET output active as long as V
DD
remains
below the threshold voltage V
IT
. An internal timer delays the return of the output to the inactive state (high) to
ensure proper system reset. The delay time starts after V
DD
has risen above the threshold voltage V
IT
.
When the supply voltage drops below the threshold voltage V
IT
, the output becomes active (low) again.
The TPS3613-01 is available in a 10-pin MSOP package and is characterized for operation over a temperature
range of 鈥?0擄C to 85擄C.
typical operating circuit
Power
Supply
0.1
碌F
Monitored
Voltage
Rx
CEIN
VDD
SENSE
Ry
RESET
TPS3613
MR
Manual
Reset
GND
VOUT
RESET
Data Bus
16
CEOUT
VBAT
Backup
Battery
Address Bus
CE
CMOS
RAM
VCC
8
CE
CMOS
RAM
VCC
8
Real-
Time
Clock
VCC
Address
Decoder
uC
Switchover
Capacitor
0.1
碌F
VCC
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.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright
錚?/div>
2002, Texas Instruments Incorporated
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
1

TPS3613-01DGS 產(chǎn)品屬性

  • 80

  • 集成電路 (IC)

  • PMIC - 監(jiān)控器

  • -

  • 備用電池電路

  • 1

  • 推挽式，圖騰柱

  • 高有效/低有效

  • 最小為 60 ms

  • 可調(diào)節(jié)/可選擇

  • -40°C ~ 85°C

  • 表面貼裝

  • 10-TFSOP，10-MSOP（0.118"，3.00mm 寬）

  • 10-MSOP

  • 管件

  • 296-10912-5

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