DS1020
ABSOLUTE MAXIMUM RATINGS*
Voltage on any Pin Relative to Ground
Operating Temperature
-1.0V to +7.0V
0°C to 70°C
Storage Temperature
-55°C to +125°C
260°C for 10 seconds
50 mA for 1 second
Soldering Temperature
Short Circuit Output Current
* 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
(0°C to 70°C; VCC = 5.0V ± 5%)
PARAMETER
SYM
TEST
MIN TYP
MAX
UNITS NOTES
CONDITION
Supply Voltage
High Level
VCC
VIH
4.75
2.2
5.00
5.25
V
V
1
1
VCC+0.5
Input Voltage
Low Level
VIL
I1
-0.5
-1.0
0.8
1.0
V
1
3
4
Input Voltage
Input Leakage
Current
µA
mA
mA
mA
0 ≤ VI ≤ VCC
Active Current
ICC
IOH
IOL
VCC=MAX;
PERIOD=1 µs
VCC=MIN.
VOH=2.7V
VCC=MIN.
VOL=0.5V
30.0
-1.0
High Level
Output Current
Low Level
8
Output Current
AC ELECTRICAL CHARACTERISTICS
(0°C to 70°C; VCC = 5V ± 5%)
PARAMETER
Clock Frequency
Enable Width
SYMBOL
fC
MIN
TYP
MAX UNITS
NOTES
10
MHz
tEW
50
50
30
10
30
20
ns
Clock Width
tCW
ns
Data Setup to Clock
Data Hold from Clock
Data Setup to Enable
Data Hold from Enable
Enable to Serial
Output Valid
tDSC
ns
tDHC
ns
tDSE
tDHE
tEQV
ns
ns
50
50
50
ns
Enable to Serial
Output High Z
tEQZ
tCQV
tCQX
0
ns
ns
ns
Clock to Serial
Output Valid
Clock to Serial
10
Output Invalid
Enable Setup to Clock
Enable Hold from Clock
Parallel Input Valid
to Delay Valid
tES
tEH
tPDV
50
50
ns
ns
µs
50
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DALLAS [ DALLAS SEMICONDUCTOR ]
