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參數(shù)資料
| 型號： | USB1T1103MPX |
| 廠商： | Fairchild Semiconductor |
| 文件頁數(shù)： | 10/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX USB VOLT REG 2.5MM 14MLP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類型： | 收發(fā)器 |
| 驅(qū)動器/接收器數(shù)： | 1/1 |
| 規(guī)程： | USB 2.0 |
| 電源電壓： | 4 V ~ 5.5 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 14-MLP |
| 供應(yīng)商設(shè)備封裝： | 14-MLP |
| 包裝： | 剪切帶 (CT) |
| 其它名稱： | USB1T1103MPXCT USB1T1103MPX_NLCT USB1T1103MPX_NLCT-ND |
USB1
T1
103
Universal
Serial
Bus
Peri
ph
eral
T
ransceiver
with
V
o
lt
age
Regulator
2005 Fairchild Semiconductor Corporation
www.fairchildsemi.com
USB1T1103 Rev. 1.0.
4
3
Terminal Descriptions
Terminal
Number
Terminal
Name
I/O
Terminal Description
MLP14 MLP16
1
OE
I
Output Enable:
Active LOW enables the transceiver to transmit data on the bus. When not active the transceiver is in
the receive mode (CMOS level is relative to VCCIO)
2
RCV
O
Receive Data Output:
Non-inverted CMOS level output for USB differential Input (CMOS output level is relative to VCCIO).
Driven LOW when SUSPN is HIGH; RCV output is stable and preserved during SE0 condition.
33
Vp/Vpo
I/O
Single-ended D+ receiver output VP (CMOS level relative to VCCIO):
Used for external detection of SE0, error conditions, speed of connected device; Terminal also acts
as drive data input Vpo (see Table 1 and Table 2).
Output drive is 4 mA buffer.
44
Vm/Vmo
I/O
Single-ended D- receiver output Vm (CMOS level relative to VCCIO):
Used for external detection of SE0, error conditions, speed of connected device; Terminal also acts
as drive data input Vmo (see Table 1 and Table 2).
Output drive is 4 mA buffer.
5
SUSPND
I
Suspend:
Enables a low power state (CMOS level is relative to VCCIO). While the
SUSPND terminal is active (HIGH) it will drive the RCV terminal to logic “0” state.
—
6
NC
No Connect
67
VCCIO
Supply Voltage for digital I/O terminals (1.65V to 3.6V):
When not connected the D+ and D- terminals are in 3-STATE. This supply bus is totally independent
of VCC (5V) and VREG (3.3V), and must never exceed the VREG (3.3) voltage. For VCCIO discon-
nected the O+/O- terminals are HIGH Impedance and the VPU (3.3V) is turned off.
7
8
Vbusmon
O
Vbus monitor output (CMOS level relative to VCCIO):
When Vbus > 4.1V then Vbusmon = HIGH and when Vbus < 3.6V then
Vbusmon = LOW. If SUSPND = HIGH then Vbusmon is pulled HIGH.
9, 8
10, 9
D+, D-
AI/O
Data +, Data -:
Differential data bus conforming to the USB standard. Terminals are HIGH Impedance for bus pow-
ered mode when Vbus < 3.6V. For ByPass Mode then HIGH Impedance when VREG/ Vbus < VREG
minimum.
10
11
NC
No Connect
—
12
NC
No Connect
11
13
VREG (3.3V)
Internal Regulator Option:
Regulated supply output voltage (3.0V to 3.6V) during 5V operation;
decoupling capacitor of at least 0.1 F is required.
Regulator ByPass Option:
Used as supply voltage input for 3.3V operation.
12
14
VCC (5.0V)
Internal Regulator Option:
Used as supply voltage input (4.0V to 5.5V); can be connected directly to USB line Vbus.
Regulator ByPass Option:
Connected to VREG (3.3V)
13
15
VPU (3.3V)
Pull-up Supply Voltage (3.3V ± 10%):
Connect an external 1.5k
Ω resistor on D+ (FS data rate);
Terminal function is controlled by Config input terminal:
Config = LOW - VPU (3.3V) is floating (HIGH Impedance) for zero pull-up current.
Config = HIGH - VPU (3.3V) = 3.3V; internally connected to VREG (3.3V).
VPU is OFF in disable mode.
14
16
Config
I
USB connect or disconnect software control input.
Configures 3.3V to external 1.5k
Ω resistor on D+ when HIGH.
Exposed
Diepad
Exposed
Diepad
GND
GND supply down bonded to exposed diepad to be connected to the PCB GND.
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