參數(shù)資料
型號: DS1821S
廠商: DALLAS SEMICONDUCTOR
元件分類: Switch/Digital Output Temperature Sensor
英文描述: DIGITAL TEMP SENSOR-SERIAL, 8BIT(s), 1Cel, RECTANGULAR, SURFACE MOUNT
封裝: 0.208 INCH, SOIC-8
文件頁數(shù): 7/17頁
文件大?。?/td> 461K
代理商: DS1821S
DS1821
Page 15 of 17
AC ELECTRICAL CHARACTERISTICS:
(-55°C to +125°C; VDD=3.6V to 5.5V)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Temperature Conversion Time
tCONV
0.4
1.0
s
EEPROM Write Time
tWR
10
50
ms
Time Slot
tSLOT
60
120
s
1
Recovery Time
tREC
1s
1
Write 0 Low Time
tLOW0
60
120
s
1
Write 1 Low Time
tLOW1
115
s
1
Read Data Valid
tRDV
15
s
1
Reset Time High
tRSTH
480
s
1
Reset Time Low
tRSTL
480
s
1,2
Presence Detect High
tPDHIGH
15
60
s
1
Presence Detect Low
tPDLOW
60
240
s
1
VDD Low to Mode Toggle Clock Low
tPC
100
ns
1,3
Mode Toggle Clock 16 High to VDD
High
tCP
100
ns
1
Mode Toggle Clock Pulse Low Time
tCL
0.1
10
s
1
Mode Toggle Clock Pulse High Time
tCH
0.1
s
1
Mode Toggle Clock High-to-Low or
Low-to-High Transition Time
tT
100
ns
1
Capacitance
CIN/OUT
25
pF
NOTES:
1. Refer to timing diagrams in Figure 13.
2. If tRSTL > 960
s, a power-on-reset may occur.
3. Time required for part to disable thermostat output.
相關(guān)PDF資料
PDF描述
DS1821 DIGITAL TEMP SENSOR-SERIAL, 8BIT(s), 1Cel, ROUND, SURFACE MOUNT
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DS1822-PAR+T&R DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 2Cel, RECTANGULAR, THROUGH HOLE MOUNT
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