参数资料
型号: FT2232HQ-TRAY
厂商: FTDI, Future Technology Devices International Ltd
文件页数: 44/67页
文件大小: 0K
描述: IC USB HS DUAL UART/FIFO 64-QFN
标准包装: 260
系列: USBmadeEZ-FIFO,FT-X,X-Chip
特点: USB 至 UART 和(或)FIFO、SPI、I2C、JTAG
通道数: 2,DUART
FIFO's: 4096 字节
规程: RS232,RS422,RS485
电源电压: 3 V ~ 3.6 V
带并行端口:
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: 64-VFQFN 裸露焊盘
供应商设备封装: 64-QFN
包装: 托盘
其它名称: FT2232HQ - TRAY
Copyright 2012 Future Technology Devices International Limited
49
Document No.: FT_000061
FT2232H DUAL HIGH SPEED USB TO MULTIPURPOSE UART/FIFO IC
Version 2.21
Clearance No.: FTDI#77
The I/O pins are +3.3v cells, which are +5V tolerant (except the USB PHY pins).
Parameter
Description
Minimum
Typical
Maximum
Units
Conditions
Voh
Output Voltage High
2.40
3.14
V
Ioh = +/-2mA
I/O Drive strength*
= 4mA
3.20
V
I/O Drive strength*
= 8mA
3.22
V
I/O Drive strength*
= 12mA
3.22
V
I/O Drive strength*
= 16mA
Vol
Output Voltage Low
0.18
0.40
V
Iol = +/-2mA
I/O Drive strength*
= 4mA
0.12
V
I/O Drive strength*
= 8mA
0.08
V
I/O Drive strength*
= 12mA
0.07
V
I/O Drive strength*
= 16mA
Vil
Input low Switching
Threshold
-
0.80
V
LVTTL
Vih
Input High Switching
Threshold
2.00
-
V
LVTTL
Vt
Switching Threshold
1.50
V
LVTTL
Vt-
Schmitt trigger negative
going threshold voltage
0.80
1.10
-
V
Vt+
Schmitt trigger positive
going threshold voltage
1.60
2.00
V
Rpu
Input pull-up resistance
40
75
190
K
Vin = 0
Rpd
Input pull-down
resistance
40
75
190
K
Vin =VCCIO
Iin
Input Leakage Current
15
45
85
μA
Vin = 0
Ioz
Tri-state output leakage
current
+/-10
μA
Vin = 5.5V or 0
Table 5.3 I/O Pin Characteristics VCCIO = +3.3V (except USB PHY pins)
* The I/O drive strength and slow slew-rate are configurable in the EEPROM.
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