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FXMAR2104 데이터시트 PDF




Fairchild Semiconductor에서 제조한 전자 부품 FXMAR2104은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


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부품번호 FXMAR2104 기능
기능 4-Bit Voltage Translator / Isolator
제조업체 Fairchild Semiconductor
로고 Fairchild Semiconductor 로고


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FXMAR2104 데이터시트, 핀배열, 회로
July 2012
FXMAR2104
Dual-Supply, 4-Bit Voltage Translator / Isolator for
Open-Drain and Push-Pull Applications
Features
Bi-Directional Interface between Any Two Levels:
1.65V to 5.5V
Direction Control Not Needed
Internal 10KΩ Pull-Up Resistors
System GPIO Resources Not Required when OE
Tied to VCCA
I2C-Bus® Isolation
A/B Port VOL = 175mV (Typical), VIL = 150mV,
IOL = 6mA
Open-Drain Inputs / Outputs
Works in a Push-Pull Environment
Accommodates Standard-Mode and Fast-Mode
I2C-Bus Devices
Supports I2C Clock Stretching & Multi-Master
Fully Configurable: Inputs and Outputs Track VCC
Non-Preferential Power-Up; Either VCC May Be
Powered-Up First
Outputs Switch to 3-State if Either VCC is at GND
Tolerant Output Enable: 5V
Packaged in 12-Lead Ultrathin MLP
(1.8mm x 1.8mm)
ESD Protection Exceeds:
- 5kV HBM (per JESD22-A114)
- 2kV CDM (per JESD22-C101)
Description
The FXMAR2104 is a 4-bit high-performance,
configurable dual-voltage supply, open-drain translator
for bi-directional voltage translation over a wide range of
input and output voltages levels. The FXMAR2104 also
works in a push-pull environment.
Intended for use as a voltage translator in applications
using the I2C-Bus® interface, the input and output
voltage levels are compatible with I2C device
specification voltage levels. Eight internal 10KΩ pull-up
resistors are integrated.
The device is designed so that the A port tracks the
VCCA level and the B port tracks the VCCB level. This
allows for bi-directional A/B port voltage translation
between any two levels from 1.65V to 5.5V. VCCA can
equal VCCB from 1.65V to 5.5V.
Non-preferential power-up means VCC can be powered-
up first. Internal power-down control circuits place the
device in 3-state if either VCC is removed.
The two ports of the device have automatic direction-
sense capability. Either port may sense an input signal
and transfer it as an output signal to the other port.
Ordering Information
Part Number
Operating
Temperature Range
FXMAR2104UMX
-40 to +85°C
Top
Mark
BY
Package
12-Lead, Ultrathin MLP, 1.8mm x 1.8mm
Packing
Method
5000 Units on
Tape and Reel
© 2011 Fairchild Semiconductor Corporation
FXMAR2104 • Rev. 1.0.1
www.fairchildsemi.com




FXMAR2104 pdf, 반도체, 판매, 대치품
Absolute Maximum Ratings
Stresses exceeding the Absolute Maximum Ratings may damage the device. The device may not function or be
operable above the recommended operating conditions and stressing the parts to these levels is not recommended.
In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability.
The absolute maximum ratings are stress ratings only.
Symbol
Parameter
VCCA, VCCB Supply Voltage
A Port
VIN DC Input Voltage
B Port
Control Input (OE)
VO
IIK
IOK
IOH / IOL
ICC
PD
TSTG
ESD
An Outputs 3-State
Output Voltage(2)
Bn Outputs 3-State
An Outputs Active
Bn Outputs Active
DC Input Diode Current
At VIN < 0V
DC Output Diode Current
At VO < 0V
At VO > VCC
DC Output Source/Sink Current
DC VCC or Ground Current per Supply Pin
Power Dissipation
At 400KHz
Storage Temperature Range
Electrostatic Discharge
Capability
Human Body Model, B-Port
(vs. GND & vs. VCCB)
Human Body Model, All Pins,
JESD22-A114
Charged Device Mode, JESD22-C101
Note:
2. IO absolute maximum rating must be observed.
Min.
-0.5
-0.5
-0.5
-0.5
-0.5
-0.5
-0.5
-0.5
-50
-65
Max.
7.0
7.0
7.0
7.0
7.0
7.0
VCCA + 0.5V
VCCB + 0.5V
-50
-50
+50
+50
±100
0.129
+150
Unit
V
V
mA
mA
mA
mA
mW
°C
8
5 kV
2
Recommended Operating Conditions
The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended
operating conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not
recommend exceeding them or designing to Absolute Maximum Ratings.
Symbol
VCCA, VCCB Power Supply Operating
VIN Input Voltage
Parameter
A Port
B Port
Control Input (OE)
Min.
1.65
0
0
0
Max.
5.50
5.5
5.5
VCCA
Units
V
V
ΘJA Thermal Resistance
301.5
C°/W
TA Free Air Operating Temperature
Note:
3. All unused I/O pins should be disconnected.
-40 +85
°C
© 2011 Fairchild Semiconductor Corporation
FXMAR2104 • Rev. 1.0.1
4
www.fairchildsemi.com

4페이지










FXMAR2104 전자부품, 판매, 대치품
VOL vs. IOL
The I2C specification mandates a maximum VIL (IOL of
3mA) of VCC • 0.3 and a maximum VOL of 0.4V. If there
is a master on the A port of an I2C translator with a VCC
of 1.65V and a slave on the I2C translator B port with a
VCC of 3.3V, the maximum VIL of the master is (1.65V x
0.3) 495mV. The slave could legally transmit a valid
logic LOW of 0.4V to the master.
If the I2C translator’s channel resistance is too high, the
voltage drop across the translator could present a VIL to
the master greater than 495mV. To complicate matters,
the I2C specification states that 6mA of IOL is
recommended for bus capacitances approaching
400pF. More IOL increases the voltage drop across the
I2C translator. The I2C application benefits when I2C
translators exhibit low VOL performance. Figure 5
depicts typical FXMAR2104 VOL performance vs. a
competitor, given a 0.4V VIL.
Figure 5. VOL vs. IOL
© 2011 Fairchild Semiconductor Corporation
FXMAR2104 • Rev. 1.0.1
7
www.fairchildsemi.com

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