参数资料
型号: ST72F623F2B1
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDIP20
封装: 0.300 INCH, LEAD FREE, SHRINK, PLASTIC, DIP-20
文件页数: 21/139页
文件大小: 1264K
代理商: ST72F623F2B1
117/139
Doc ID 6996 Rev 5
12.11 COMMUNICATION INTERFACE CHARACTERISTICS
12.11.1 USB - Universal Bus Interface
(Operating conditions T
A = 0 to +70°C, V
DD = 4.0 to 5.25V unless otherwise specified)
Notes
1. RL is the load connected on the USB drivers.
2. All the voltages are measured from the local ground potential.
3. Not tested in production, guaranteed by design.
4. To improve EMC performance (noise immunity), it is recommended to connect a 100nF capacitor to the
USBVCC pin.
Figure 77. USB: Data Signal Rise and Fall Time
Table 26. USB: Low-speed Electrical Characteristics
Note 1: Measured from 10% to 90% of the data signal. For more detailed informations, please refer to Chapter 7 (Elec-
trical) of the USB specification (version 1.1).
USB DC Electrical Characteristics
Parameter
Symbol
Conditions 2)
Min.
Max.
Unit
Differential Input Sensitivity
VDI
I(D+, D-)
0.2 3)
V
Differential Common Mode Range
VCM
Includes VDI range
0.8 3)
2.5 3)
V
Single Ended Receiver Threshold
VSE
0.8 3)
2.0 3)
V
Static Output Low
VOL
RL of 1.5K ohms to 3.6V 1)
0.3
V
Static Output High
VOH
RL of 15K ohms to VSS
1)
2.8
3.6
V
USBVCC: voltage level 4)
USBV
VDD=5V
3.00
3.60
V
Differential
Data Lines
VSS
tf
tr
Crossover
points
VCRS
Parameter
Symbol
Conditions
Min
Max
Unit
Driver characteristics:
Rise time
tr
CL=50 pF 1)
75
ns
CL=600 pF 1)
300
ns
Fall Time
tf
CL=50 pF 1)
75
ns
CL=600 pF 1)
300
ns
Rise/ Fall Time matching
trfm
tr/tf
80
120
%
Output signal Crossover
Voltage
VCRS
1.3
2.0
V
相关PDF资料
PDF描述
ST72F621J4B1 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDIP42
ST72621K4B1 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDIP32
ST72P324BJ6TA/XXXRE 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP44
ST72P324BK6TA/XXXRE 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP32
ST72F324BK2TCRS 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP32
相关代理商/技术参数
参数描述
ST72F623F2M1 功能描述:8位微控制器 -MCU Flash 8K No Interfce 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
ST72F623F2M1TR 功能描述:8位微控制器 -MCU LO SPD USB 8B MCU 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
ST72F63BD6U1 功能描述:8位微控制器 -MCU 8 BITS MICROCONTR 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
ST72F63BD6U1TR 功能描述:8位微控制器 -MCU 8 BITS MICROCONTR 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
ST72F63BE1M1 功能描述:8位微控制器 -MCU ST7263B Lo SPD USB 8B MCU FAMILY 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