參數(shù)資料
型號: DS1486
廠商: Maxim Integrated Products, Inc.
英文描述: RAMified Watchdog Timekeeper(RAM化的看門狗計(jì)時(shí)器)
中文描述: RAMified看門狗計(jì)時(shí)器
文件頁數(shù): 8/16頁
文件大?。?/td> 174K
代理商: DS1486
DS1486P
070298 8/16
ABSOLUTE MAXIMUM RATINGS*
Voltage on any Pin Relative to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
–0.3V to +7.0V
0
°
C to 70
°
C
–40
°
C to + 70
°
C
260
°
C for 10 seconds (See Note 14)
* This is a stress rating only and functional operation of the device at these or any other conditions above those
indicated in the operation sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods of time may affect reliability.
RECOMMENDED DC OPERATING CONDITIONS
(0
°
C to 70
°
C)
NOTES
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
Supply Voltage
V
CC
4.5
5.0
5.5
V
10
Input Logic 1
V
IH
2.2
V
CC
+ 0.3
V
10
Input Logic 0
V
IL
–0.3
+0.8
V
10
DC ELECTRICAL CHARACTERISTICS
(0
°
C to 70
°
C; V
CC
= 5V + 10%)
MAX
UNITS
PARAMETER
SYMBOL
MIN
TYP
NOTES
Input Leakage Current
I
IL
–1.0
+1.0
μ
A
Output Leakage Current
I
LO
–1.0
+1.0
μ
A
I/O Leakage Current
I
LIO
–1.0
+1.0
μ
A
Output Current @ 2.4V
I
OH
–1.0
mA
13
Output Current @ 0.4V
I
OL
2.1
mA
13
Standby Current CE = 2.2V
I
CCS1
3.0
7.0
mA
Standby Current CE = V
CC
–0.5
I
CCS2
4.0
mA
Active Current
I
CC
85
mA
Write Protection Voltage
V
TP
4.0
4.25
4.5
V
CAPACITANCE
(t
A
= 25
°
C)
NOTES
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
Input Capacitance
C
IN
7
15
pF
Output Capacitance
C
OUT
7
15
pF
Input/Output Capacitance
C
I/O
7
15
pF
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