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参数资料
| 型号： | DS2705U+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/18页 |
| 文件大小： | 0K |
| 描述： | IC AUTHENTICATE SHA-1 8-UMAX |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 3,000 |
| 功能： | 电池验证 |
| 电池化学： | 所有电池类型 |
| 电源电压： | 2.5 V ~ 5.5 V |
| 工作温度： | -20°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 8-uMAX |
| 包装： | 带卷 (TR) |
DS2705: SHA-1 Authentication Master
ABSOLUTE MAXIMUM RATINGS
Voltage Range on All Pins (Except VPP), Relative to V SS
Voltage Range on V PP Pin, Relative to V SS
Continuous Source Current, MDQ
Operating Temperature Range
Storage Temperature Range
Soldering Temperature
-0.3V to +5.5V
-0.3V to +18V
20mA
-40°C to +85°C
-55°C to +125°C
See IPC/JEDEC J-STD-020A Specification
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.
DC ELECTRICAL CHARACTERISTICS
(2.5V ≤ V DD ≤ 5.5V, T A = -20°C to +85°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
I DD1
Active mode,
MDQ low, I O_MDQ = 0
2.5
mA
Supply Current
Programming Voltage: V PP
I DD2
I DD3
V PP
Active mode,
MDQ idle, I O_MDQ = 0
Sleep mode, I O_MDQ = 0 (Note 2)
-20°C ≤ T A ≤ 70°C
Sleep mode, I O_MDQ = 0 (Note 2)
Program pulse (Notes 1, 3)
14.5
90
1
1
130
3
2
15.0
μ A
μ A
μ A
V
Input Logic High:
MDQ, SDQ, CHAL
Input Logic Low:
MDQ, SDQ, CHAL
Output Logic Low: MDQ, SDQ
Output Logic Low: PASS , FAIL
Pulldown: V PP
Pulldown: SDQ, CHAL
V IH
V IL
V OL1
V OL2
I PD1
I PD2
(Note 1)
(Note 1)
I OL = 4mA (Note 1)
I OL = 10mA (Note 1)
(Note 5)
1.8
300
0.125
0.6
0.4
0.4
V
V
V
V
μ A
μ A
Pullup: MDQ
Input Capacitance: MDQ, SDQ
I OH
V OH
C IN
Communication mode
(Note 6)
Computation mode
I OH = 2.0mA (Note 7)
0.25
V DD - 0.1
2.5
60
mA
V
pF
EEPROM RELIABILITY SPECIFICATION
(2.5V ≤ V DD ≤ 5.5V, T A = -20 ° C to +85 ° C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
EEPROM Write Time
EEPROM Write Endurance
t EEW
N EEC
(Note 3)
(Notes 3, 4)
1,000
15
ms
Cycles
2 of 18
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