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參數(shù)資料
| 型號(hào)： | DS1963 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 4K-Bit Monetary iButton(4K位貨幣按鈕) |
| 中文描述： | 4K的位貨幣iButton的（4K的位貨幣按鈕） |
| 文件頁數(shù)： | 22/22頁 |
| 文件大?。?/td> | 147K |
| 代理商： | DS1963 |
DS1962/DS1963
020698 22/22
AC ELECTRICAL CHARACTERISTICS
OVERDRIVE SPEED
(V
PUP
=2.8V to 6.0V; –40
°
C to +70
°
C)
MAX
UNITS
PARAMETER
SYMBOL
MIN
TYP
NOTES
Time Slot
t
SLOT
6
16
μ
s
Write 1 Low Time
t
LOW1
1
2
μ
s
Write 0 Low Time
t
LOW0
6
16
μ
s
Read Low Time
t
LOWR
1
2
μ
s
Read Data Valid
t
RDV
exactly 2
μ
s
Release Time
t
RELEASE
0
1.5
4
μ
s
Read Data Setup
t
SU
1
μ
s
5
Recovery Time
t
REC
1
μ
s
Reset Time High
t
RSTH
48
μ
s
4
Reset Time Low
t
RSTL
48
80
μ
s
Presence Detect High
t
PDHIGH
2
6
μ
s
Presence Detect Low
t
PDLOW
8
24
μ
s
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. Capacitance on the data pin could be 800 pF when power is first applied. If a 5 k
resistor is used to pull up the
data line to V
PUP
, 5
μ
s after power has been applied the parasite capacitance will not affect normal communica-
tions.
7. The reset low time (t
RSTL
) should be restricted to a maximum of 960
μ
s, to allow interrupt signaling, otherwise,
it could mask or conceal interrupt pulses.
8. V
IH
is a function of the external pull–up resistor and V
PUP
.
9. 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(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1963L | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4 kbit Monetary iButton |
| DS1963L-F5 | 功能描述:iButton RoHS:否 存儲(chǔ)類型:SRAM 存儲(chǔ)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 |
| DS1963L-F5+ | 功能描述:iButton RoHS:否 存儲(chǔ)類型:SRAM 存儲(chǔ)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 |
| DS1963L-F5+W | 功能描述:iButton RoHS:否 存儲(chǔ)類型:SRAM 存儲(chǔ)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 |
| DS1963R-F5+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
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