參數(shù)資料
型號(hào): FT-MOD-4232HUB
廠商: FTDI, Future Technology Devices International Ltd
文件頁(yè)數(shù): 20/45頁(yè)
文件大?。?/td> 0K
描述: MOD USB HS HUB & SERIAL I/F
標(biāo)準(zhǔn)包裝: 1
主要目的: 接口,USB 2.0 集線器
嵌入式:
已用 IC / 零件: FT4232H
主要屬性: USB 高速集線器,最多 3 下行 USB 端口
次要屬性: USB 供電
已供物品:
其它名稱: 768-1091
Copyright 2010 Future Technology Devices International Limited
27
Document No.: FT_000060
FT4232H QUAD HIGH SPEED USB TO MULTIPURPOSE UART/MPSSE IC
Datasheet Version 2.2
Clearance No.: FTDI#78
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
2.0
-
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
2.0
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 (except USB PHY pins)
*The I/O drive strength and slow slew-rate are configurable in the EEPROM.
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