參數(shù)資料
型號(hào): FT2232HQ-REEL
廠商: FTDI, Future Technology Devices International Ltd
文件頁(yè)數(shù): 44/67頁(yè)
文件大?。?/td> 0K
描述: IC USB HS DUAL UART/FIFO 64-QFN
標(biāo)準(zhǔn)包裝: 1
系列: USBmadeEZ-FIFO,F(xiàn)T-X,X-Chip
特點(diǎn): USB 至 UART 和(或)FIFO、SPI、I2C、JTAG
通道數(shù): 2,DUART
FIFO's: 4096 字節(jié)
規(guī)程: RS232,RS422,RS485
電源電壓: 3 V ~ 3.6 V
帶并行端口:
帶自動(dòng)流量控制功能:
帶調(diào)制解調(diào)器控制功能:
帶CMOS:
安裝類型: 表面貼裝
封裝/外殼: 64-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 64-QFN
包裝: 標(biāo)準(zhǔn)包裝
產(chǎn)品目錄頁(yè)面: 634 (CN2011-ZH PDF)
其它名稱: 768-1025-6
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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