參數(shù)資料
型號(hào): DS1620R
元件分類(lèi): 溫度/濕度傳感器
英文描述: Self?Heating Temperature Sensor
中文描述: 自?加熱溫度傳感器
文件頁(yè)數(shù): 25/30頁(yè)
文件大?。?/td> 185K
代理商: DS1620R
ASAHI KASEI
[AK2504A]
MS0143-E-01 - 25 - 2004/01
RECEIVER
SWITCHING SPECIFICATIONS
(TA = Tmin to Tmax; V+ = 3.3V
±
0.3V; GND = 0V; Input: Logic 0 = 0V, Logic 1 = V+ )
Parameter
Symbol
Min
Typ
Max
Units
RCLK Pulse Width
DS3
(Note 10, 11)
Tpwh
Tpwl
10.1
10.1
11.177
11.177
12.2
12.2
ns
ns
RCLK Pulse Width
STS-1
(Note 12, 11)
Tpwh
Tpwl
8.7
8.7
9.645
9.645
10.6
10.6
ns
ns
RCLK Pulse Width
E3
(Note 13, 11)
Tpwh
Tpwl
13.1
13.1
14.548
14.548
16.0
16.0
ns
ns
EXCLK Duty Cycle (EXCLK Min Rise/Fall time : 5ns)
45
-
55
%
Rise Time, RCLK
(Note 11)
tr
-
-
3.5
ns
Fall Time, RCLK
(Note 11)
tf
-
-
3.5
ns
Delay Time: RCLK high to RPDATA/RNDATA
(Note 14)
Tdcrd
0
-
3.5
ns
TRANSMITTER
SWITCHING SPECIFICATIONS
(TA = Tmin to Tmax; V+ = 3.3V
±
0.3V; GND = 0V; Input: Logic 0 = 0V, Logic 1 = V+ )
Parameter
Symbol
Min
Typ
Max
Units
TCLK Duty Cycle (TCLK Min Rise/Fall time : 5ns)
30
-
70
%
Rise Time, TCLK
(Note 11)
tr
-
-
3.5
ns
Fall Time, TCLK
(Note 11)
tf
-
-
3.5
ns
Setup Time, TPDATA/TNDATA to TCLK Falling
Tstdc
4
-
-
ns
Hold Time, TPDATA/TNDATA to TCLK Falling
Note;
10.
Assumes PLL is locked to 44.736 MHz signal.
11.
The sum of the pulse widths must always meet the frequency specifications.
12.
Assumes PLL is locked to 51.84 MHz signal
13.
Assumes PLL is locked to 34.368MHz signal.
14.
Load cap = 15pF.
Thtdc
5
-
-
ns
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