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参数资料
| 型号： | DS1977-F5# |
| 厂商： | Maxim Integrated |
| 文件页数： | 2/29页 |
| 文件大小： | 0K |
| 描述： | IBUTTON EEPROM 32KBit F5 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| RoHS指令信息： | IButton RoHS Compliance Plan |
| 标准包装： | 14 |
| 系列： | iButton® |
| 存储容量： | 32KB |
| 存储器类型： | EEPROM |
| 产品目录页面： | 1431 (CN2011-ZH PDF) |
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DS1977
PHYSICAL SPECIFICATION
Size
Weight DS1977
ABSOLUTE MAXIMUM RATINGS
I/O Voltage to GND
I/O Sink Current
Junction Temperature
Storage Temperature Range
See mechanical drawing
Ca. 3.3g
-0.3V, +5.5V
20mA
+150°C
-40°C to +85°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only,
and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is
not implied. Exposure to the absolute maximum rating conditions for extended periods may affect device.
ELECTRICAL CHARACTERISTICS
( V PUP = 2.8V to 5.25V, T A = -40°C to +85°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
I/O Pin General Data
1-Wire Pullup
Resistance
Input Capacitance
Input Load Current
High-to-Low Switching
Threshold
Input Low Voltage
Low-to-High Switching
Threshold
Switching Hysteresis
Output-Low Voltage at
4mA
R PUP
C IO
I L
V TL
V IL
V TH
V HY
V OL
(Notes 1, 2)
(Note 3)
I/O pin at V PUP
(Notes 4, 5)
(Notes 1, 6)
(Notes 4, 7)
(Note 8)
(Note 9)
0.6
1
0.5
0.7
0.15
2.2
5
10
3.2
0.30
3.4
N/A
0.4
k ?
nF
μA
V
V
V
V
V
Standard speed, R PUP = 2.2k ?
(Note 1)
5
Recovery Time
t REC
Overdrive speed, R PUP = 2.2k ?
(Note 1)
2
μs
Overdrive speed, directly prior
to reset pulse; R PUP = 2.2k ?
(Note 1)
5
Rising-Edge Hold-off
Time
Timeslot Duration
t REH
t SLOT
Standard speed (Note 10)
Overdrive speed (Note 10)
Standard speed (Note 1)
Overdrive speed (Note 1)
0.5
0.5
65
8
5
2
μs
μs
I/O Pin, 1-Wire Reset, Presence Detect Cycle
Reset Low Time
Presence Detect High
Time
Presence Detect Fall
Time
t RSTL
t PDH
t FPD
Standard speed (Note 1)
Overdrive Speed (Note 1)
Standard speed (Note 11)
Overdrive speed (Note 11)
Standard speed, V PUP > 4.5V
(Note 12)
Standard speed (Note 12)
480
48
15
2.5
1.5
1.5
640
80
60
6.5
5
8
μs
μs
μs
Overdrive speed (Note 12)
0.15
1
Presence Detect Low
Time
t PDL
Standard speed
Overdrive speed
60
8
240
24
μs
2 of 29
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PDF描述 |
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| DS1990A-F3+ | IC IBUTTON SERIAL NUMBER F3 |
| DS1990R-F5# | IBUTTON SERIAL NUMBER F5 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1977-F5# | 功能描述:iButton Password-Protected 32KB EEPROM iButton RoHS:否 存储类型:SRAM 存储容量:512 B 组织: 工作电源电压:3 V to 5.25 V 接口类型:1-Wire 最大工作温度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封装 / 箱体:F5 MicroCan 制造商:Maxim Integrated |
| DS1977-F5+ | 功能描述:iButton RoHS:否 存储类型:SRAM 存储容量:512 B 组织: 工作电源电压:3 V to 5.25 V 接口类型:1-Wire 最大工作温度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封装 / 箱体:F5 MicroCan 制造商:Maxim Integrated |
| DS1981U-F3-1125+ | 功能描述:iButton RoHS:否 存储类型:SRAM 存储容量:512 B 组织: 工作电源电压:3 V to 5.25 V 接口类型:1-Wire 最大工作温度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封装 / 箱体:F5 MicroCan 制造商:Maxim Integrated |
| DS1981U-F3-114C+ | 功能描述:iButton RoHS:否 存储类型:SRAM 存储容量:512 B 组织: 工作电源电压:3 V to 5.25 V 接口类型:1-Wire 最大工作温度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封装 / 箱体:F5 MicroCan 制造商:Maxim Integrated |
| DS1981U-F5-1124+ | 功能描述:iButton RoHS:否 存储类型:SRAM 存储容量:512 B 组织: 工作电源电压:3 V to 5.25 V 接口类型:1-Wire 最大工作温度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封装 / 箱体:F5 MicroCan 制造商:Maxim Integrated |
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