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参数资料
| 型号： | DS80C390-FNR |
| 厂商： | DALLAS SEMICONDUCTOR |
| 元件分类： | Microcontroller |
| 英文描述： | 8-BIT, 40 MHz, MICROCONTROLLER, PQFP64 |
| 封装： | LQFP-64 |
| 文件页数： | 27/58页 |
| 文件大小： | 5486K |
| 代理商： | DS80C390-FNR |
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DS80C390
33 of 58
110199
NOTES FOR DC ELECTRICAL CHARACTERISTICS:
1. Active current measured with 40 MHz clock source on XTAL1, VCC=RST= 5.5 V, all other pins
disconnected.
2. Idle mode current measured with 40 MHz clock source on XTAL1, VCC= 5.5 V, RST= EA =VSS, all
other pins disconnected.
3. Stop mode current measured with XTAL1 = RST = EA = VSS, VCC= 5.5 V, all other pins
disconnected. This value is not guaranteed. Users who are sensitive to this specification should
contact Dallas Semiconductor for more information.
4. When these pins are used to address external memory or as CAN interface signals.
5. This measurement reflects the port during a 0 to 1 transition in I/O mode. During this period a one-
shot circuit drives the ports hard for two clock cycles.
6. Port 3 pins 3.6 and 3.7 will have a stronger than normal pullup drive for one oscillator period
following the transition of either the RD or WR from a 0 to 1 transition.
7. This is the current required from an external circuit to hold a logic low level on an I/O pin while the
corresponding port latch bit is set to 1. This is only the current required to hold the low level;
transitions from 1 to 0 on an I/O pin will also have to overcome the transition current.
8. Ports 1(in I/O mode), 3, 4, and 5 source transition current when being pulled down externally. It
reaches its maximum at approximately 2V.
9. During the external addressing mode, weak latches maintain the previously driven value from the
processor on Port 0 until such time that Port 0 is driven by external memory source; and on Port 1, 2
and 4 for one XTAL1 cycle prior to change in output address from Port 1, 2 and 4.
10. RST= VCC. This condition mimics operation of pins in I/O mode.
TYPICAL ICC VERSUS FREQUENCY
35
ICC
mA
30
25
20
15
5
3
2
0 2 4
12
33
40 MHz XTAL
FREQUENCY
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相关代理商/技术参数 |
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|---|---|
| DS80C390-FNR+ | 功能描述:8位微控制器 -MCU Dual CAN High-Speed RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| DS80C390-QCR | 功能描述:8位微控制器 -MCU Dual CAN High-Speed RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| DS80C390-QCR+ | 功能描述:8位微控制器 -MCU Dual CAN High-Speed RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| DS80C390-QNR | 功能描述:8位微控制器 -MCU Dual CAN High-Speed RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| DS80C390-QNR+ | 功能描述:8位微控制器 -MCU Dual CAN High-Speed RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
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