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参数资料
| 型号： | DS28EC20+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/27页 |
| 文件大小： | 0K |
| 描述： | IC EEPROM 20KBIT TO92-3 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,000 |
| 格式 - 存储器： | EEPROMs - 串行 |
| 存储器类型： | EEPROM |
| 存储容量： | 20K（256 x 80） |
| 接口： | 1 线 串行 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | TO-226-3、TO-92-3（TO-226AA）成形引线 |
| 供应商设备封装： | TO-92-3 |
| 包装： | 带卷 (TR) |
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DS28EC20: 20Kb 1-Wire EEPROM
ABSOLUTE MAXIMUM RATINGS
I/O Voltage to GND
I/O Sink Current
Operating Temperature Range
Junction Temperature
Storage Temperature Range
Lead Temperature (soldering, 10s)
Soldering Temperature (reflow)
TO-92
TSOC
-0.5V, +6V
20mA
-40°C to +85°C
+150°C
-55°C to +125°C
+300 ° C
+250 ° C
+260 ° 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 reliability.
5.0V SUPPLY ELECTRICAL CHARACTERISTICS
(V PUP = 5.0V ±5%, T A = -40°C to +85°C, unless otherwise noted.) (Note 1)
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
R PUP
C IO
I L
V TL
V IL
V TH
V HY
(Notes 2, 3)
(Notes 4, 5)
I/O pin at V PUP
(Notes 5, 6, 7)
(Notes 2, 8)
(Notes 5, 6, 9)
(Notes 5, 6, 10)
0.3
0.05
1.6
2.5
0.30
2000
2.2
3.5
V PUP -
1.8
0.5
V PUP -
1.1
1.30
k ?
pF
μA
V
V
V
V
Output Low Voltage
Recovery Time
(Notes 2, 12)
V OL
t REC
At 4mA (Note 11)
Standard speed
Overdrive speed
5
5
0.20
V
μs
Rising-Edge Hold-off Time
(Notes 5, 13)
Timeslot Duration
(Notes 2, 14)
t REH
t SLOT
Standard speed
Overdrive speed
Standard speed
Overdrive speed
0.5
65
11
Not applicable (0)
5.0
μs
μs
I/O PIN, 1-Wire RESET, PRESENCE DETECT CYCLE
Reset-Low Time (Note 2)
Presence-Detect High
Time
Presence-Detect Low
Time
Presence-Detect Sample
Time (Notes 2, 15)
t RSTL
t PDH
t PDL
t MSP
Standard speed
Overdrive speed
Standard speed
Overdrive speed
Standard speed
Overdrive speed
Standard speed
Overdrive speed
480
48
15
2
60
8
60
6
640
80
60
6
240
24
75
10
μs
μs
μs
μs
I/O PIN, 1-Wire WRITE
Write-0 Low Time
(Notes 2, 16, 17)
Write-1 Low Time
(Notes 2, 17)
t W0L
t W1L
Standard speed
Overdrive speed
Standard speed
Overdrive speed
60
6
1
1
120
15.5
15
2
μs
μs
I/O PIN, 1-Wire READ
Read-Low Time
(Notes 2, 18)
Read-Sample Time
(Notes 2, 18)
t RL
t MSR
Standard speed
Overdrive speed
Standard speed
Overdrive speed
5
0.800
t RL + δ
t RL + δ
15 - δ
2 - δ
15
2.27
μs
μs
2 of 27
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