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參數(shù)資料
| 型號： | DS1986 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 64K bit Add-Only iButton(64K位只加按鈕) |
| 中文描述： | 64K位只添加iButton® |
| 文件頁數(shù)： | 24/24頁 |
| 文件大?。?/td> | 164K |
| 代理商： | DS1986 |
DS1986
052298 24/24
AC ELECTRICAL CHARACTERISTICS OVERDRIVE SPEED
(V
PUP
=2.8V to 6.0V; –40
°
C to 70
°
C)
MAX
UNITS
16
PARAMETER
Time Slot
SYMBOL
t
SLOT
t
LOW1
t
LOW0
t
RDV
t
RELEASE
t
SU
t
REC
t
RSTH
t
RSTL
t
PDHIGH
t
PDLOW
MIN
6
TYP
NOTES
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
μ
s
Write 1 Low Time
1
2
Write 0 Low Time
6
16
Read Data Valid
exactly 2
Release Time
0
1.5
4
Read Data Setup
1
5
Recovery Time
1
Reset Time High
48
4
Reset Time Low
48
80
Presence Detect High
2
6
Presence Detect Low
8
24
NOTES:
1. All voltages are referenced to ground.
2. V
PUP
= external pull–up voltage.
3. Input load is to ground.
4. An additional reset or communication sequence cannot begin until the reset high time has expired.
5. Read data setup time refers to the time the host must pull the 1–Wire bus low to read a bit. Data is guaranteed
to be valid within 1
μ
s of this falling edge.
6. V
IH
is a function of the external pull–up resistor and V
PUP
.
7. 30 nanocoulombs per 72 time slots @ 5.0V.
8. At V
CC
=5.0V with a 5k
pullup to V
CC
and a maximum time slot of 120
μ
s.
9. Capacitance on the data pin could be 800 pF when power is first applied. If a 5k
resistor is used to pull up the
data line to V
CC
, 5
μ
s after power has been applied the parasite capacitance will not affect normal communica-
tions.
10.Under certain low voltage conditions V
ILMAX
may have to be reduced to as much as 0.5V to always guarantee
a presence pulse.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DS1986+F3 | 制造商:Maxim Integrated Products 功能描述:ADD-O IBTN 64KB, F3 (GENERIC) LFREE - Rail/Tube |
| DS19860-F3-W | 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 |
| DS1986-F3 | 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 |
| DS1986-F3# | 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 |
| DS1986-F3+ | 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 |
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