参数资料
型号: FT232RQ-REEL
厂商: FTDI, Future Technology Devices International Ltd
文件页数: 14/43页
文件大小: 0K
描述: IC USB FS SERIAL UART 32-QFN
产品培训模块: USB Introduction
USB-UART Interface Solutions
标准包装: 1
系列: USBmadeEZ-UART
特点: USB 至 UART
通道数: 1,UART
FIFO's: 256 字节
规程: RS232,RS422,RS485
电源电压: 3.3 V ~ 5.25 V
带自动流量控制功能:
带调制解调器控制功能:
带CMOS:
安装类型: 表面贴装
封装/外壳: 32-VFQFN 裸露焊盘
供应商设备封装: 32-QFN 裸露焊盘(5x5)
包装: 标准包装
产品目录页面: 634 (CN2011-ZH PDF)
配用: 768-1023-ND - MOD USB RS232 DEV/EVAL FT232RL
768-1022-ND - MOD USB UART MINI B DEV FT232R
768-1021-ND - MOD USB UART MINI DEV FT232R
768-1019-ND - MOD USB UART DEV FT232R
其它名称: 768-1008-6
Copyright 2010 Future Technology Devices International Limited
21
Document No.: FT_000053
FT232R USB UART IC Datasheet Version 2.10
Clearance No.: FTDI# 38
Parameter
Description
Minimum
Typical
Maximum
Units
Conditions
UVoh
I/O Pins Static Output
(High)
2.8
3.6
V
RI = 1.5kΩ to
3V3OUT (D+) RI =
15KΩ to GND (D-)
UVol
I/O Pins Static Output
(Low)
0
0.3
V
RI = 1.5kΩ to
3V3OUT (D+) RI =
15kΩ to GND (D-)
UVse
Single Ended Rx
Threshold
0.8
2.0
V
UCom
Differential Common
Mode
0.8
2.5
V
UVDif
Differential Input
Sensitivity
0.2
V
UDrvZ
Driver Output
Impedance
26
29
44
Ohms
See Note 1
Table 5.12 USB I/O Pin (USBDP, USBDM) Characteristics
5.3 EEPROM Reliability Characteristics
The internal 1024 Bit EEPROM has the following reliability characteristics:
Parameter
Value
Unit
Data Retention
10
Years
Read / Write Cycle
10,000
Cycles
Table 5.13 EEPROM Characteristics
5.4 Internal Clock Characteristics
The internal Clock Oscillator has the following characteristics:
Parameter
Value
Unit
Minimum
Typical
Maximum
Frequency of Operation
(see Note 1)
11.98
12.00
12.02
MHz
Clock Period
83.19
83.33
83.47
ns
Duty Cycle
45
50
55
%
Table 5.14 Internal Clock Characteristics
Note 1: Equivalent to +/-1667ppm
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