參數資料
型號： DS1920
廠商： Maxim Integrated Products, Inc.
英文描述： Temperature Button(溫度按鈕)
文件頁數： 30/52頁
文件大小： 881K
代理商： DS1920
AD14160/AD14160L
–30–
REV. A
Link Ports: 1
×
CLK Speed Operation
40 MHz–5 V
40 MHz–3.3 V
Min
Parameter
Min
Max
Max
Units
Receive
Timing Requirements:
t
SLDCL
t
HLDCL
t
LCLKIW
t
LCLKRWL
t
LCLKRWH
Data Setup Before LCLK Low
Data Hold After LCLK Low
LCLK Period (1
×
Operation)
LCLK Width Low
LCLK Width High
3.5
3
t
CK
6
5
3
3
t
CK
6
5
ns
ns
ns
ns
ns
Switching Characteristics:
t
DLAHC
t
DLALC
t
ENDLK
t
TDLK
LACK High Delay After CLKIN High
LACK Low Delay After LCLK High
1
LACK Enable from CLKIN
LACK Disable from CLKIN
18 + DT/2
–3
5 + DT/2
29 + DT/2
13.5
18 + DT/2
–3
5 + DT/2
29 + DT/2
13.5
ns
ns
ns
ns
20.5 + DT/2
20.5 + DT/2
Transmit
Timing Requirements:
t
SLACH
t
HLACH
LACK Setup Before LCLK High
LACK Hold After LCLK High
18
–7
20
–7
ns
ns
Switching Characteristics:
t
DLCLK
t
DLDCH
t
HLDCH
t
LCLKTWL
t
LCLKTWH
t
DLACLK
t
ENDLK
t
TDLK
LCLK Delay After CLKIN (1
×
Operation)
Data Delay After LCLK High
Data Hold After LCLK High
LCLK Width Low
LCLK Width High
LCLK Low Delay After LACK High
LDAT, LCLK Enable After CLKIN
LDAT, LCLK Disable After CLKIN
16
3.5
17
3
ns
ns
ns
ns
ns
–3
(t
CK
/2) – 2
(t
CK
/2) – 2
(t
CK
/2) + 8.5
5 + DT/2
–3
(t
CK
/2) – 1
(t
CK
/2) – 1.25
(t
CK
/2) + 8
5 + DT/2
(t
CK
/2) + 2
(t
CK
/2) + 2
(3
×
t
CK
/2) + 17.5
(t
CK
/2) + 1.25
(t
CK
/2) + 1
(3
×
t
CK
/2) + 18 ns
ns
ns
20.5 + DT/2
20.5 + DT/2
Link Port Service Request Interrupts: 1
×
and
2
×
Speed Operations
Timing Requirements:
t
SLCK
LACK/LCLK Setup Before CLKIN Low
2
t
HLCK
LACK/LCLK Hold After CLKIN Low
2
10
2
10
2
ns
ns
NOTES
1
LACK will go low with t
DLALC
relative to rising edge of LCLK after first nibble is received. LACK will not go low if the receiver’s link buffer is not about to fill.
2
Only required for interrupt recognition in the current cycle.
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相關代理商/技術參數
參數描述
DS1920+F5 制造商:Maxim Integrated Products 功能描述:TEMP IBTN 2PIN F5 MICROCAN - Rail/Tube
DS1920-F3 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Temperature iButton
DS1920-F5 功能描述:iButton RoHS:否 存儲類型:SRAM 存儲容量:512 B 組織: 工作電源電壓:3 V to 5.25 V 接口類型:1-Wire 最大工作溫度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封裝 / 箱體:F5 MicroCan 制造商:Maxim Integrated
DS1920-F5+ 功能描述:iButton Temperature iButton RoHS:否 存儲類型:SRAM 存儲容量:512 B 組織: 工作電源電壓:3 V to 5.25 V 接口類型:1-Wire 最大工作溫度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封裝 / 箱體:F5 MicroCan 制造商:Maxim Integrated
DS1921 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:High-Resolution Thermochron iButton
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