DS1620 Datasheet, PDF (10/13 Pages) Dallas Semiconductor – Digital Thermometer and Thermostat

WRITE DATA TRANSFER Figure 5
DS1620
NOTE: t_CL, t_CH, t_R, and t_F apply to both read and write data transfer.
RELATED APPLICATION NOTES
The following Application Notes can be applied to the DS1620. These notes can be obtained from the
Dallas Semiconductor “Application Note Book”, via our Web site at http:\\www.dalsemi.com/, or through
our faxback service at (972) 371–4441.
Application Note 67: “Applying and Using the DS1620 in Temperature Control Applications”
Application Note 85: “Interfacing the DS1620 to the Motorola SPI Bus”
Application Note 105: “High Resolution Temperature Measurement with Dallas Direct–to–Digital
Temperature Sensors”
Sample DS1620 subroutines that can be used in conjunction with AN105 can be downloaded from the
web-site or our Anonymous FTP Site.
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
–0.5V to +7.0V
–55°C to +125°C
–55°C to +125°C
260°C for 10 seconds
* 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
PARAMETER SYMBOL
MIN
TYP
MAX
Supply
V_DD
2.7
5.5
Logic 1
Logic 0
V_IH
2.0
V_IL
-0.3
V_CC+0.3
+0.6
UNITS
V
V
V
NOTES
1
1
1
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