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參數(shù)資料
| 型號： | TC71EPA |
| 廠商： | TelCom Semiconductor, Inc. |
| 英文描述： | MICROMASTER - SYSTEM SUPERVISOR WITH POWER SUPPLY MONITOR, WATCHDOG AND BATTERY BACKUP |
| 中文描述： | MICROMASTER -系統(tǒng)與電源監(jiān)視器，看門狗和電池備份督導員 |
| 文件頁數(shù)： | 2/7頁 |
| 文件大?。?/td> | 89K |
| 代理商： | TC71EPA |
5-8
TELCOM SEMICONDUCTOR, INC.
MICROMASTER – SYSTEM SUPERVISOR
WITH POWER SUPPLY MONITOR, WATCHDOG
AND BATTERY BACKUP
*This is a stress rating only and functional operation of the device at these
or any other conditions above those indicated in the operational sections of
the specifications is not implied. Exposure to Absolute Maximum Rating
Conditions for extended periods may affect device reliability.
ABSOLUTE MAXIMUM RATINGS*
Voltage (Any Pin) with Respect to
Ground................................ GND – 0.3 to V
CC
+ 0.3V
Operating Temperature Range ...............– 40
°
C to +85
°
C
Storage Temperature Range ................– 65
°
C to +150
°
C
Lead Temperature (Soldering, 10 sec) .................+300
°
C
TC70/71
ELECTRICAL CHARACTERISTICS:
Recommended DC Operations
: T
A
= T
MIN
to T
MAX,
unless otherwise specified.
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
V
CC
V
IH
V
IH
V
IL
Supply Voltage
Input HIGH Level
Input HIGH Level
Input LOW Level
Note 1
CEI, WDD (Note 1)
RS (Note 1)
CEI, WDD, RS (Note 1)
4.5
2.5
2.2
—
5.0
—
—
—
5.5
—
—
0.8
V
V
V
V
ELECTRICAL CHARACTERISTICS:
DC
: T
A
= T
MIN
to T
MAX
, V
CC
= 4.5V to 5.5V, unless otherwise specified.
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
I
CC1
I
CC2
Operating Current
Operating Current in
Battery Backup Mode
Input Leakage
Input Leakage
Input Leakage
Battery Standby Current
Battery Standby Current
Notes 2, 3
V
CC
= 0; V
BATT
= 2.8V; (Note 3)
—
—
5
6.5
0.20
mA
μ
A
0.01
I
IH
I
IL
I
IH
I
STBY
I
STBY
CEI
CEI
RS
5.5V > V
CC
> V
BATT
+ 0.2V
5.5V > V
CC
> V
BATT
+ 0.2V
T
A
= 25
°
C
—
—
—
4
1
1
—
—
7
—
—
0.02
0.02
μ
A
μ
A
μ
A
μ
A
μ
A
– 1.0
– 0.1
ELECTRICAL CHARACTERISTICS:
DC
: Power Supply Monitor, EXT. RESET and Watchdog:
T
A
= T
MIN
to T
MAX
, V
CC
= 4.5V to 5.5V,
unless otherwise specified.
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
I
OL
Output Current 0.4V
(RS, TDO, CEO, PF Pins)
Output Current 2.4V
(TDO, CEO, PF Pins)
WDD Input Current
V
OL
= 0.4V
2
5
—
mA
I
OH
V
OH
= 2.4V
2
3
—
mA
WDD
I
WDD = GND
WDD = V
CC
Figure 3 (Note 1)
Figure 3 (Note 1)
(Note 1) 0
°
C
≤
T
A
≤
70
°
C
– 40
°
C
≤
T
A
≤
85
°
C
– 120
—
V
DD
– 0.5
2.2
4.25
4.20
—
—
—
—
—
—
25
—
μ
A
V
STH
V
STL
V
CCTRIP
RS Strobe (HIGH) Level
RS Strobe (LOW) Level
V
CC
Trip Point
V
V
V
DD
– 1.8
4.49
4.49
ELECTRICAL CHARACTERISTICS:
DC
: Battery Backup and Threshold Detector:
T
A
= T
MIN
to T
MAX
, V
CC
= 4.5V to 5.5V, unless otherwise specified.
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
V
OUT1
V
CCO
Output Voltage
I
OUT
= 1mA
I
OUT
= 50mA
I
OUT
= 250
μ
A, V
CC
< V
BATT
– 0.2, V
BATT
= 2.8V
V
BATT
– 0.1 V
BATT
– 0.02
—
V
CC
– 0.3 V
CC
– 0.1
V
CC
– 0.5 V
CC
– 0.20
—
—
V
V
OUT2
V
OUT
in Battery Backup Mode
V
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