FXMA2102UMX Fairchild Semiconductor, FXMA2102UMX Datasheet - Page 5

• Manufacturer Part Number: FXMA2102UMX
• Description: I/O Expanders, Repeaters & Hubs 2xSupply 2-Bit Volt Trnsltr/Bffr/Rptr
• Manufacturer: Fairchild Semiconductor

Specifications of FXMA2102UMX

• Operating Supply Voltage: 1.65 V to 5.5 V
• Power Dissipation: 0.129 mW
• Operating Temperature Range: - 40 C to + 85 C
• Input Voltage: 1.65 V to 5.5 V
• Output Current: +/- 50 mA
• Output Voltage: - 0.5 V to + 7 V
• Package / Case: Ultrathin MLP-8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

© 2010 Fairchild Semiconductor Corporation
FXMA2102 • Rev. 1.0.2
Functional Description
Power-Up/Power-Down Sequencing
FXM translators offer an advantage in that either V
may be powered up first. This benefit derives from the
chip design. When either V
high-impedance state. The control input (OE) is
designed to track the V
tying OE to GND should be used to ensure that bus
contention, excessive currents, or oscillations do not
occur during power-up/power-down. The size of the
pull-down resistor is based upon the current-sinking
capability of the device driving the OE pin.
Application Circuit
CCA
CC
supply. A pull-down resistor
is at 0V, outputs are in a
Figure 4. Application Circuit
CC
5
The recommended power-up sequence is:
1. Apply power to the first V
2. Apply power to the second V
3. Drive the OE input HIGH to enable the device.
The recommended power-down sequence is:
1. Drive OE input LOW to disable the device.
2. Remove power from either V
3. Remove power from other V
Note:
4.
Alternatively, the OE pin can be hardwired to V
to save GPIO pins. If OE is hardwired to V
either V
CC
can be powered up or down first.
CC
.
CC
CC
CC
.
.
.
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CCA
,
CCA