U74CBT3253 Datasheet PDF - Unisonic Technologies


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U74CBT3253
Unisonic Technologies

Part Number U74CBT3253
Description DUAL 1-OF-4 FET MULTIPLEXER/EMULTIPLEXER
Page 5 Pages

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UNISONIC TECHNOLOGIES CO., LTD
U74CBT3253
DUAL 1-OF-4 FET
MULTIPLEXER/EMULTIPLEXER
CMOS IC
DESCRIPTION
The U74CBT3253 is a dual 1-of-4 high-speed TTL-compatible
FET multiplexer/demultiplexer. The low on-state resistance of the
switch allows connections to be made with minimal propagation
delay.
1 OE , 2 OE , S0, and S1 select the appropriate B output for the
A-input data.
FEATURES
* VCC Operating Range From 4V to 5.5V
* Bidirectional Data Flow, With minimal Propagation Delay
* Low ON-State Resistance (RON) Characteristics (RON =5Typ.)
* Low Power Consumption ICC =3μA (Max)
ORDERING INFORMATION
Ordering Number
U74CBT3253G-R16-R
Package
SSOP-16
Packing
Tape Reel
MARKING
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd
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U74CBT3253
PIN CONFIGURATION
1OE 1
S1 2
1B4 3
1B3 4
1B2 5
1B1 6
1A 7
GND 8
FUNCTION TABLE
INPUTS
OE S1 S0
L LL
L LH
L HL
L HH
H XX
INPUT/OUTPUT
A
B1
B2
B3
B4
Z
LOGIC DIAGRAM
FUNCTION
A port=B1 port
A port=B2 port
A port=B3 port
A port=B4 port
Disconnect
16 V C C
15 2 O E
14 S 0
13 2 B 4
12 2 B 3
11 2 B 2
10 2 B 1
9 2A
CMOS IC
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U74CBT3253
CMOS IC
ABSOLUTE MAXIMUM RATING (TA=25°C, unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
VCC -0.5 ~ 7 V
DC Input Voltage(see Note 2,3)
DC Switch Voltage(see Note 2,3)
Control Input Clamp Current
VIN
VIN(SW)
VOUT(SW)
IIK
-0.5 ~ 7
-0.5 ~7
-50
V
V
mA
DC VCC or GND Current
ICC
±100
mA
ON-State Switch Current
IIN(SW)
IOUT(SW)
±128
mA
Storage Temperature
TSTG
-65~+150
°C
Notes: 1. Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
2. All voltages are with respect to ground.
3. The input and output voltage ratings may be exceeded if the input and output clamp-current ratings are
observed.
THERMAL DATA
PARAMETER
Junction to Ambient
SYMBOL
θJA
RECOMMENDED OPERATING CONDITIONS
RATINGS
90
UNIT
°C/W
PARAMETER
Supply Voltage
High-Level Control Input Voltage
Low-Level Control Input Voltage
Data Input Voltage
Operating Temperature
SYMBOL
VCC
VIH
VIL
VIN
TA
MIN
4
2
0
-40
TYP
ELECTRICAL CHARACTERISTICS (Ta=25°C, unless otherwise specified)
MAX
5.5
0.8
5.5
85
UNIT
V
V
V
V
°C
PARAMETER
Control Input Clamp Voltage
Input Leakage Current
Quiescent Supply Current
Additional Quiescent Supply
Current
Control Input Capacitance
A Port Input Capacitance
B Port Input Capacitance
ON-Resistance
SYMBOL
VIK
II(LEAK)
ICC
ICC
CIN
CIO(OFF)
RON
TEST CONDITIONS
VCC =4.5V, IIN = -18mA
VCC =5.5V, VIN =VCC or GND
VCC=5.5 V, IIN /IOUT =0
VIN=VCC or GND, Switch ON or OFF
VCC=5.5V, One input at 3.4V,
Other inputs at VCC or GND
VIN=3V or 0, VCC=5V
VIN/VOUT=3V or 0, VCC=5V
VIN=VCC or GND, Switch OFF
VCC =4.5V, VIN =0
VCC =4.5V, VIN =2.4V
IOUT =64mA
IOUT =30mA
IOUT =-15mA
MIN TYP MAX UNIT
-1.2 V
±1 µA
3 µA
2.5 mA
3.5 pF
10 pF
4 pF
5 7
5 7
10 15
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U74CBT3253
CMOS IC
SWITCHING CHARACTERISTICS (CL=50pF, RL=500, see TEST CIRCUIT AND WAVEFORMS)
PARAMETER
SYMBOL
TEST CONDITIONS MIN TYP MAX UNIT
From input (A or B) to output (B or A) (Note)
tpd
VCC=4V
VCC=5V±0.5V
0.35 ns
0.25 ns
From input S to output A
tpd(s)
VCC=4V
VCC=5V±0.5V
6.6 ns
1.6 6.2 ns
From input S to output B
From input OE to output (A or B)
VCC=4V
ten
VCC=5V±0.5V
VCC=4V
VCC=5V±0.5V
7.1
1.3 6.3
7.3
1.4 6.4
ns
ns
ns
ns
From input S to output B
From input OE to output (A or B)
VCC=4V
tdis
VCC=5V±0.5V
VCC=4V
VCC=5V±0.5V
7.9 ns
1.1 7.4 ns
7.3 ns
2.3 7.0 ns
Note: The propagation delay is the calculated RC time constant of the typical ON-state resistance of the switch and
the specified load capacitance, when driven by an ideal voltage source (zero output impedance).
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www.unisonic.com.tw
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