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SLVS336B − DECEMBER 2000 − REVISED JANUARY 2007
features
typical applications
D
D
Supply Current of 40 µA (Max)
Precision Supply Voltage Monitor
− 2.0 V, 2.5 V, 3.3 V, 5.0 V
D
Fax Machines
D
D
D
D
D
D
D
D
Set-Top Boxes
Advanced Voice Mail Systems
Portable Battery Powered Equipment
Computer Equipment
− Other Versions on Request
D
D
D
Watchdog Timer With 800-ms Time-Out
Backup-Battery Voltage Can Exceed V
DD
Advanced Modems
Power-On Reset Generator With Fixed
100-ms Reset Delay Time
Automotive Systems
Portable Long-Time Monitoring Equipment
Point of Sale Equipment
D
Battery OK Output
D
Voltage Monitor for Power-Fail or
Low-Battery Monitoring
TSSOP (PW) Package
(TOP VIEW)
D
D
D
D
D
D
Manual Switchover to Battery-Backup
Mode
V
1
2
3
4
5
6
7
14
13
12
11
10
9
V
BAT
RESET
OUT
Chip-Enable Gating −3 ns (at V
Max. Propagation Delay
= 5 V)
V
DD
DD
GND
MSWITCH
CEIN
WDI
MR
CEOUT
BATTOK
PFO
Manual Reset
BATTON
PFI
8
Battery Freshness Seal
14-Pin TSSOP Package
Temperature Range . . . −40°C to 85°C
ACTUAL SIZE
(5,10mm x 6,60mm)
typical operating circuit
Address
Decoder
Power
Supply
0.1 µF
External
Source
CE
CMOS
RAM
CE
CMOS
RAM
CEIN
CEOUT
Address Bus
Real-
Time
Clock
Backup
Battery
V
DD
V
BAT
R
R
x
y
TPS3600
uC
V
CC
V
CC
V
CC
PFI
8
8
RESET
I/O
RESET
WDI
Data Bus
16
I/O
PFO
I/O
BATTOK
BATTON
I/O
MR
Switchover
Capacitor
Manual
Reset
MSWITCH
GND
V
OUT
V
CC
0.1 µF
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.
All trademarks are the property of their respective owners.
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Copyright 2000−2007, Texas Instruments Incorporated
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