參數(shù)資料
型號: DS1244W-120
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: Timer or RTC
英文描述: 0 TIMER(S), REAL TIME CLOCK, PDIP28
封裝: 0.740 INCH, ENCAPSULATED, DIP-28
文件頁數(shù): 19/19頁
文件大小: 351K
代理商: DS1244W-120
DS1244/DS1244P
9 of 19
ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground……………………………………………..-0.3V to +6.0V
Storage Temperature Range………………………………………………-40C to +85C (noncondensing)
Soldering Temperature……………………………………….See IPC/JEDEC J-STD-020 (DIP) (Note 13)
This is a stress rating only and functional operation of the device at these or any other conditions beyond those indicated in the operation
sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time can affect
reliability.
OPERATING RANGE
RANGE
TEMP RANGE
(NONCONDENSING)
VCC
Commercial
0°C to +70°C
3.3V
10% or 5V 10%
Industrial
-40°C to +85°C
3.3V
10% or 5V 10%
RECOMMENDED DC OPERATING CONDITIONS
Over the operating range
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
VCC = 5V ±10%
2.2
VCC + 0.3V
Input Logic 1
VCC = 3.3V ±10%
VIH
2.0
VCC + 3V
V
11
VCC = 5V ±15%
-0.3
0.8
Input Logic 0
VCC = 3.3V ±10%
VIL
-0.3
0.6
V
11
DC ELECTRICAL CHARACTERISTICS
Over the operating range (5V)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Input Leakage Current
IIL
-1.0
+1.0
A
12
I/O Leakage Current
CE
VIH ≤ VCC
IIO
-1.0
+1.0
A
Output Current at 2.4V
IOH
-1.0
mA
Output Current at 0.4V
IOL
2.0
mA
Standby Current CE = 2.2V
ICCS1
5
10
mA
Standby Current
CE
= VCC - 0.5V
ICCS2
3.0
5.0
mA
Operating Current tCYC = 70ns
ICC01
85
mA
Write Protection Voltage
VPF
4.25
4.37
4.50
V
11
Battery Switchover Voltage
VSO
VBAT
V
11
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