DS1021 Просмотр технического описания (PDF) - Dallas Semiconductor -> Maxim Integrated
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DS1021 Datasheet PDF : 9 Pages
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ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
Short Circuit Output Current
-1.0V to +7.0V
0°C to 70°C
-55°C to +125°C
260°C for 10 seconds
50 mA for 1 second
DS1021
* 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.
DC ELECTRICAL CHARACTERISTICS
PARAMETER
SYM
TEST
CONDITION
Supply Voltage
VCC
High Level Input
VIH
Voltage
Low Level Input
VIL
Voltage
Input Leakage
I1
Current
Active Current
ICC
High Level Output IOH
Current
Low Level Output
IOL
Current
0.0V ≤ VI ≤ VCC
VCC=MAX;
Period=1 µs
VCC=MIN.
VOH=2.7V
VCC=MIN.
VOL=0.5V
MIN
4.75
2.2
-0.5
-1.0
8
(0°C to 70°C; VCC = 5.0V ± 5%)
TYP MAX UNITS NOTES
5.00
5.25
V
1
VCC + 0.5
V
1
0.8
V
1
1.0
µA
30.0
mA
3
-1.0
mA
mA
4
AC ELECTRICAL CHARACTERISTICS
PARAMETER
Clock Frequency
Enable Width
Clock Width
Data Setup to Clock
Data Hold from Clock
Data Setup to Enable
Data Hold from Enable
Enable to Serial
Output Valid
Enable to Serial
Output High Z
Clock to Serial
Output Valid
Clock to Serial
Output Invalid
Enable Setup to Clock
Enable Hold from Clock
Parallel Input Valid
to Delay Valid
SYMBOL
fC
tEW
tCW
tDSC
tDHC
tDSE
tDHE
tEQV
tEQZ
tCQV
tCQX
tES
tEH
tPDV
MIN
50
50
30
10
30
20
0
10
50
50
6 of 9
(0°C to 70°C; VCC = 5V ± 5%)
TYP MAX UNITS NOTES
10
MHz
ns
Fig. 7, 8
ns
Fig. 8
ns
Fig. 8
ns
Fig. 8
ns
Fig. 7
ns
Fig. 7
50
ns
Fig. 8
50
ns
Fig. 8
50
ns
Fig. 8
ns
Fig. 8
ns
Fig. 8
ns
Fig. 8
50
µs
Fig. 6
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