參數(shù)資料
型號(hào): DS1642-100
廠商: DALLAS SEMICONDUCTOR
元件分類: Timer or RTC
英文描述: 0 TIMER(S), REAL TIME CLOCK, PDIP24
文件頁(yè)數(shù): 7/11頁(yè)
文件大小: 138K
代理商: DS1642-100
DS1642
5 of 11
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
–0.3V to +7.0V
Operating Temperature
0
°C to 70°C
Storage Temperature
–20
°C to +70°C
Soldering Temperature
260
°C for 10 seconds (See Note 6)
* 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)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Logic 1 Voltage All Inputs
VIH
2.2
VCC+0.3
V
1
Logic 0 Voltage All Inputs
VIL
-0.3
0.8
V
1
DC ELECTRICAL CHARACTERISTICS
(0°C < tA < 70°C; VCC (MAX) < VCC < VCC (MIN)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Active Supply Current
ICC
15
50
mA
2, 3
TTL Standby Current
( CE = VIH)
ICC1
1
3
mA
2, 3
CMOS Standby Current
( CE < VCC-0.2V)
ICC2
1
3
mA
2, 3
Input Leakage Current
(any input)
IIL
-1
+1
A
I/O Leakage Current
(any output)
IOL
-1
+1
A
Output Logic 1 Voltage
(IOUT = -1.0 mA)
VOH
2.4
1
Output Logic 0 Voltage
(IOUT = +2.1 mA)
VOL
0.4
1
Write Protection Voltage
VPF
4.25
4.37
4.50
V
1
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