DS1621S/T&R Maxim Integrated Products, DS1621S/T&R Datasheet - Page 16
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DS1621S/T&R
Manufacturer Part Number
DS1621S/T&R
Description
IC THERMOMETER/STAT DIG 8-SOIC
Manufacturer
Maxim Integrated Products
Datasheet
1.DS1621S.pdf
(16 pages)
Specifications of DS1621S/T&R
Function
Thermometer, Thermostat
Topology
ADC (Sigma Delta), Comparator, Register Bank
Sensor Type
Internal
Sensing Temperature
-55°C ~ 125°C
Output Type
I²C™/SMBus™
Output Alarm
Yes
Output Fan
No
Voltage - Supply
2.7 V ~ 5.5 V
Operating Temperature
-55°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Full Temp Accuracy
+/- 2 C
Digital Output - Bus Interface
Serial (2-Wire)
Digital Output - Number Of Bits
12 bit
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
- 55 C
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
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NOTES:
1. All voltages are referenced to ground.
2. I/O pins of fast mode devices must not obstruct the SDA and SCL lines if V
3. I
4. I
5. After this period, the first clock pulse is generated.
6. A device must internally provide a hold time of at least 300ns for the SDA signal (referred to the
7. The maximum t
8. A fast mode device can be used in a standard mode system, but the requirement t
9. C
10. Writing to the nonvolatile memory should only take place in the 0°C to 70°C temperature range.
TIMING DIAGRAM
V
SCL signal.
then be met. This will automatically be the case if the device does not stretch the LOW period of the
SCL signal. If such a device does stretch the LOW period of the SCL signal, it must output the next
data bit to the SDA line t
CC
CC
B
IH MIN
—total capacitance of one bus line in pF.
specified with T
specified with V
of the SCL signal) in order to bridge the undefined region of the falling edge of SCL.
HD:DAT
OUT
CC
has only to be met if the device does not stretch the LOW period (t
at 5.0V and SDA, SCL = 5.0V, 0°C to 70°C.
pin open.
RMAX
+ t
SU:DAT
= 1000 + 250 = 1250ns before the SCL line is released.
16 of 16
DD
is switched off.
SU:DAT
>250ns must
LOW
) of the