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DS1045 Datasheet, PDF (4/6 Pages) Dallas Semiconductor – 4-Bit Dual Programmable Delay Line
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
See J-STD-020A specification
50 mA for 1 second
DS1045
* 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 TEST CONDITION MIN TYP MAX UNITS NOTES
Supply Voltage
VCC
Input Logic 1
VIH
Input Logic 0
VIL
4.75 5.0 5.25
V
1
2.2
VCC
+0.5
V
1
-0.5
0.8
µA
1
Input Leakage
II
Active Current
ICC
Logic 1 Output
Current
IOH
Logic 0 Output
Current
IOL
0 ≤VI≤VCC
-1.0
VCC=5.25V
PERIOD=1 µs
VCC= 4.75V VOH=
4.0V
VCC= 4.75V VOL=
0.5V
8
+1.0 µA
35.0 mA
-1.0 mA
mA
DC ELECTRICAL CHARACTERISTICS
(0°C to 70°C; VCC 5V + 5%)
PARAMETER
SYMBOL MIN
TYP MAX UNITS NOTES
Period
tPERIOD
4 x tWI
ns
Pulse Width
tWI
100% of output delay size
Input to Output Delay
tPLH, tPHL
Table 1
2
Parallel Input Change to
tPDX
ns
Delay Invalid
Parallel Input Valid to Delay
tPDX
Valid
10
ns
Enable Width
tEW
15
ns
Data Setup to Enable
tDSE
10
ns
Data Hold from Enable
tDHE
ns
Enable to Delay Invalid
tEDX
5
ns
Enable to Delay Valid
tEDV
15
ns
CAPACITANCE
PARAMETER
Input Capacitance
SYMBOL
CIN
MIN
4 of 6
TYP
MAX
10
(TA = 25°C)
UNITS NOTES
pF