U74CBTLV3126 Datasheet PDF - Unisonic Technologies


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U74CBTLV3126
Unisonic Technologies

Part Number U74CBTLV3126
Description LOW-VOLTAGE QUADRUPLE FET BUS SWITCH
Page 6 Pages

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UNISONIC TECHNOLOGIES CO., LTD
U74CBTLV3126
LOW-VOLTAGE QUADRUPLE
FET BUS SWITCH
CMOS IC
DESCRIPTION
The U74CBTLV3126 quadruple FET bus switch features
independent line switches. Each switch is disabled when the
associated output-enable (OE) input is low.
The device is fully specified for partial-power-down applications
using Ioff. The Ioff feature ensures that damaging current will not
backflow through the device when it is powered down. The device
has isolation during power off.
To ensure the high-impedance state during power up or power
down, OE should be tied to GND through a pulldown resistor; the
minimum value of the resistor is determined by the current-sinking
capability of the driver.
FEATURES
* 5-Switch Connection Between Two Ports
* Standard ‘126-Type Pinout
* Ioff Supports Partial-Power-Down Mode Operation
ORDERING INFORMATION
Ordering Number
U74CBTLV3126G-P14-R
Package
TSSOP-14
Packing
Tape Reel
MARKING
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd
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U74CBTLV3126
PIN CONFIGURATION
FUNCTION TABLE (each bus switch)
INPUT OE
H
L
FUNCTION
A port = B port
Disconnect
LOGIC DIAGRAM (positive logic)
CMOS IC
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U74CBTLV3126
SIMPLIFIED SCHEMATIC(each FET switch)
CMOS IC
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U74CBTLV3126
CMOS IC
ABSOLUTE MAXIMUM RATING (unless otherwise specified)(Note 1)
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
VCC
-0.5~4.6
V
Input Voltage
Continuous channel current
VI
-0.5~4.6
V
128 mA
Input Clamp Current(VI/O<0)
Operating free-air Temperature
IIK -50 mA
TA
-40 ~ +85
°C
Storage Temperature
TSTG
-65 ~ +150
°C
Note: The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
THERMAL DATA
PARAMETER
Junction to Ambient
SYMBOL
θJA
RECOMMENDED OPERATING COMDITIONS
RATINGS
113
UNIT
°C/W
PARAMETER
SYMBOL TEST CONDITIONS MIN TYP MAX
Supply Voltage
High-control input voltage
Low-control input voltage
Operating Temperature
VCC
VIH
VCC=2.3V~2.7V
VCC=2.7V~3.6V
VIL
VCC=2.3V~2.7V
VCC=2.7V~3.6V
TA
2.3
1.7
2
-40
3.6
0.7
0.8
-85
Note: All unused control inputs of the device must be held at VCC or GND to ensure proper device operation.
UNIT
V
V
V
°C
STATIC CHARACTERISTICS
PARAMETER
SYMBOL
TEST CONDITIONS
Digital Input Diode Voltage
VIK VCC =3V, II=-18mA
Input Leakage Current
Power off Leakage Carrent
II VCC=3.6V, VI=VCC or GND
Ioff VCC=0,VI or VO=0 to 3.6V
Quiosceut Supply Current
Additional
Quiescent Supply Control inputs
Current
ICC
ICC
VCC=3.6V, VI= VCC or GND, IO=0
VCC=3.6V, One input at 3V,
Other inputs at VCC or GND
Control input
Capacitance
Control inputs
CI VO=3V or 0
I/O Capacitance (OFF)
CIO(OFF) VO=3V or 0, OE=GND
VCC=2.3V
VI=0
Resistor between two ports
RON TYP at VCC=2.5V VI=1.7V
VCC=3V
VI=0V
VI=2.4V
Note: All typical values are at VCC=3.3V, TA=25°C, unless otherwise noted.
II=64mA
II=24mA
II=-15mA
II=64mA
II=24mA
II=-15mA
DYNAMIC CHARACTERISTICS
MIN TYP MAX UNIT
-1.2 V
±1 μA
10 μA
10 μA
300 μA
2.5 pF
7 pF
58
58
27 40
57
57
10 15
See Fig. 1 and Fig. 2 for test circuit and waveforms.
PARAMETER
SYMBOL
TEST CONDITIONS
From input (A or B) to output (B or A)
tpd ( tPLH/tPHL )
VCC=2.5V±0.2V
VCC=3.3V±0.3V
From input (OE) to output (A or B)
ten ( tPZL/tPZH )
VCC=2.5V±0.2V
VCC=3.3V±0.3V
From input (OE) to output (A or B)
tdis ( tPLZ/tPHZ )
VCC=2.5V±0.2V
VCC=3.3V±0.3V
MIN TYP MAX UNIT
0.15
0.25 ns
1.6 4.5
1.9 4.2
1.3 1.7 ns
1.0 4.8
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www.unisonic.com.tw
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