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參數(shù)資料
| 型號： | DS4550E+T&R |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 11/18頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC I/O EXPANDER I2C 9B 20TSSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 接口： | I²C，JTAG |
| 輸入/輸出數(shù)： | 9 |
| 中斷輸出： | 無 |
| 頻率 - 時鐘： | 400kHz |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 20-TSSOP |
| 包裝： | 帶卷 (TR) |
| 包括： | EEPROM |
DS4550
I2C and JTAG Nonvolatile 9-Bit I/O
Expander Plus Memory
2
_____________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
RECOMMENDED OPERATING CONDITIONS
(TA = -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
absolute maximum rating conditions for extended periods may affect device reliability.
Voltage on VCC, SDA, and SCL Pins
Relative to Ground.............................................-0.5V to +6.0V
Voltage on A0, A1, A2, TCK, TMS, TDI, and I/O_n [n = 0 to 8]
Relative to Ground ...................................-0.5V to VCC + 0.5V,
not to exceed +6.0V.
Operating Temperature Range ...........................-40°C to +85°C
EEPROM Programming Temperature Range .........0°C to +70°C
Storage Temperature Range .............................-55°C to +125°C
Soldering Temperature .....................See IPC/JEDEC J-STD-020
Specification
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Supply Voltage
VCC
(Note 1)
+2.7
+5.5
V
Input Logic 1
VIH
0.7 x
VCC
VCC +
0.3
V
Input Logic 0
VIL
-0.3
0.3 x
VCC
V
DC ELECTRICAL CHARACTERISTICS
(VCC = +2.7V to +5.5V, TA = -40°C to +85°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Standby Current
ISTBY
(Note 2)
2
10
A
Input Leakage
IL
-1.0
+1.0
A
Input Current each I/O pin
II/O
0.4 < VI/O < 0.9 x VCC
-1.0
+1.0
A
3mA sink current
0.4
Low-Level Output Voltage (SDA)
VOL SDA
6mA sink current
0.6
V
I/O Pins Low-Level Output
Voltage
VOL I/O
16mA sink current
0.4
V
Low-Level Output Voltage (TDO)
VOL TDO
4mA sink current
0.4
V
High-Level Output Voltage (TDO)
VOH TDO
1mA source current
2.4
V
I/O Pin Pullup Resistors
RPU
4.0
5.5
7.5
k
TMS, TDI Pullup Resistors
RJPU
7.5
10
12.5
k
I/O Capacitance
CI/O
(Note 3)
10
pF
Power-On Reset Voltage
VPOR
1.6
V
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