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参数资料
| 型号： | MAX7312AAG+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 10/16页 |
| 文件大小： | 0K |
| 描述： | IC I/O EXPANDER I2C 16B 24SSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 58 |
| 接口： | I²C，SM 总线 |
| 输入/输出数： | 16 |
| 中断输出： | 是 |
| 频率 - 时钟： | 400kHz |
| 电源电压： | 2 V ~ 5.5 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 24-SSOP |
| 包装： | 管件 |
| 包括： | POR |
MAX7312
2-Wire-Interfaced 16-Bit I/O Port Expander
with Interrupt and Hot-Insertion Protection
_______________________________________________________________________________________
3
Note 1: All parameters are 100% production tested at TA = +25°C. Specifications over temperature are guaranteed by design.
Note 2: Minimum SCL clock frequency is limited by the MAX7312 bus timeout feature, which resets the serial bus interface if either
SDA or SCL is held low for a minimum of 25ms. Disable bus timeout feature for DC operation.
Note 3: A master device must internally provide a hold time of at least 300ns for the SDA signal (referred to the VIL of the SCL
signal) in order to bridge the undefined region SCL’s falling edge.
Note 4: CB = total capacitance of one bus line in pF.
Note 5: The maximum tF for the SDA and SCL bus lines is specified at 300ns. The maximum fall time for the SDA output stage tF is
specified at 250ns. This allows series protection resistors to be connected between the SDA and SCL pins and the
SDA/SCL bus lines without exceeding the maximum specified tF.
Note 6: Input filters on the SDA and SCL inputs suppress noise spikes less than 50ns.
DC ELECTRICAL CHARACTERISTICS (continued)
(V+ = 2V to 5.5V, TA = -40°C to +125°C, unless otherwise noted. Typical values are at V+ = 3.3V, TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Leakage Current
-1
+1
A
Input Capacitance
4pF
INT
Low-Level Output Current
IOL
VOL = 0.4V
6
mA
AC ELECTRICAL CHARACTERISTICS
(V+ = 2V to 5.5V, TA = -40°C to +125°C, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SCL Clock Frequency
fSCL
(Note 2)
400
kHz
Bus Timeout
tTIMEOUT
29
61
ms
Bus Free Time Between STOP
and START Conditions
tBUF
Figure 2
1.3
s
Hold Time (Repeated) START
Condition
tHD,STA
Figure 2
0.6
s
Repeated START Condition
Setup Time
tSU,STA
Figure 2
0.6
s
STOP Condition Setup Time
tSU,STO
Figure 2
0.6
s
Data Hold Time
tHD,DAT
Figure 2 (Note 3)
0.9
s
Data Setup Time
tSU,DAT
Figure 2
100
ns
SCL Low Period
tLOW
Figure 2
1.3
s
SCL High Period
tHIGH
Figure 2
0.7
s
V+ < 3.3V
500
SDA Fall Time
tF
Figure 2 (Notes 4, 5)
V+
≥ 3.3V
250
ns
Pulse Width of Spike Suppressed
tSP
(Note 6)
50
ns
PORT TIMING
Output Data Valid
tPV
Figure 7
3
s
Input Data Setup Time
27
s
Input Data Hold Time
0s
INTERRUPT TIMING
Interrupt Valid
tIV
Figure 9
30.5
s
Interrupt Reset
tIR
Figure 9
2
s
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX7312AAG+ | 功能描述:接口-I/O扩展器 16-Bit I/O Port Expander RoHS:否 制造商:NXP Semiconductors 逻辑系列: 输入/输出端数量: 最大工作频率:100 kHz 工作电源电压:1.65 V to 5.5 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:HVQFN-16 封装:Reel |
| MAX7312AAG+T | 功能描述:接口-I/O扩展器 16-Bit I/O Port Expander RoHS:否 制造商:NXP Semiconductors 逻辑系列: 输入/输出端数量: 最大工作频率:100 kHz 工作电源电压:1.65 V to 5.5 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:HVQFN-16 封装:Reel |
| MAX7312AAG-T | 功能描述:接口-I/O扩展器 RoHS:否 制造商:NXP Semiconductors 逻辑系列: 输入/输出端数量: 最大工作频率:100 kHz 工作电源电压:1.65 V to 5.5 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:HVQFN-16 封装:Reel |
| MAX7312ATG | 功能描述:接口-I/O扩展器 16-Bit I/O Port Expander RoHS:否 制造商:NXP Semiconductors 逻辑系列: 输入/输出端数量: 最大工作频率:100 kHz 工作电源电压:1.65 V to 5.5 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:HVQFN-16 封装:Reel |
| MAX7312ATG+ | 功能描述:接口-I/O扩展器 16-Bit I/O Port Expander RoHS:否 制造商:NXP Semiconductors 逻辑系列: 输入/输出端数量: 最大工作频率:100 kHz 工作电源电压:1.65 V to 5.5 V 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:HVQFN-16 封装:Reel |
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