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DS1621S/T&R Datasheet(PDF) 15 Page - Maxim Integrated Products

Part # DS1621S/T&R
Description  Digital Thermometer and
PDF  16 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

DS1621S/T&R Datasheet(HTML) 15 Page - Maxim Integrated Products

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DS1621
AC ELECTRICAL CHARACTERISTICS
(-55°C to +125°C; VDD = 2.7V to 5.5V)
PARAMETER
SYMBOL
CONDITION
MIN
TYP
MAX UNITS NOTES
Temperature
Conversion Time
TTC
750
ms
NV Write Cycle
Time
tWR
0°C to 70°C
4
10
ms
10
SCL Clock
Frequency
fSCL
Fast Mode
Standard Mode
0
0
400
100
KHz
Bus Free Time
Between a STOP
and START
Condition
tBUF
Fast Mode
Standard Mode
1.3
4.7
µs
Hold Time
(Repeated) START
Condition
tHD:STA
Fast Mode
Standard Mode
0.6
4.0
µs
5
Low Period of SCL
Clock
TLOW
Fast Mode
Standard Mode
1.3
4.7
µs
High Period of SCL
Clock
THIGH
Fast Mode
Standard Mode
0.6
4.0
µs
Setup Time for a
Repeated START
Condition
tSU:STA
Fast Mode
Standard Mode
0.6
4.7
µs
Data Hold Time
tHD:DAT
Fast Mode
Standard Mode
0
0
0.9
µs
6, 7
Data Setup Time
tSU:DAT
Fast Mode
Standard Mode
100
250
ns
8
Rise Time of Both
SDA and SCL
Signals
tR
Fast Mode
Standard Mode
20+0.1CB
300
1000
ns
9
Fall Time of both
SDA and SCL
Signals
tF
Fast Mode
Standard Mode
20+0.1CB
300
300
ns
9
Setup time for
STOP Condition
tSU:STO
Fast Mode
Standard Mode
0.6
4.0
µs
Capacitative Load
for each Bus Line
Cb
400
pF
All values referred to VIH=0.9 VDD and VIL=0.1 VDD.
AC ELECTRICAL CHARACTERISTICS
(-55°C to +125°C; VDD = 2.7V to 5.5V)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Input Capacitance
CI
5
pF
15 of 16



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