U74CBT2G125 Datasheet PDF - Unisonic Technologies


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U74CBT2G125
Unisonic Technologies

Part Number U74CBT2G125
Description Dual Bus Switch
Page 6 Pages

U74CBT2G125 datasheet pdf
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UNISONIC TECHNOLOGIES CO., LTD
U74CBT2G125
Dual Bus Switch with Level Shift
CMOS IC
DESCRIPTION
The U74CBT2G125 is a low on-resistance, high-speed CMOS
2-bit bus switch. This bus switch allows the connections or
disconnections to be made with minimal propagation delay while
maintaining Low power dissipation which is the feature of CMOS.
When output enable ( OE ) is at low level, the switch is on; when
at high level, the switch is off.
The device is enable to realize the shift of signal level from 5V to
3.3 V. All inputs are equipped with protector circuits to protect the
device from static discharge.
FEATURES
* Operating voltage: VCC=4.0~5.5V
* High speed operation: tPD=0.32 ns (max)
* Ultra-low on resistance: RON=5(typ.)
* TTL level input (control input)
* Low Power Dissipation: ICC=10μA (max.)
ORDERING INFORMATION
Ordering Number
U74CBT2G125G-S08-R
U74CBT2G125G-P08-R
Package
SOP-8
TSSOP-8
Packing
Tape Reel
Tape Reel
U74CBT2G125G-S08-R
(1) Packing Type
(2) Package Type
(3) Green Package
(1) R: Tape Reel
(2) S08: SOP-8, P08: TSSOP-8
(3) G: Halogen Free and Lead Free
MARKING
SOP-8
TSSOP-8
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Copyright © 2015 Unisonic Technologies Co., Ltd
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U74CBT2G125
PIN CONFIGURATION
CMOS IC
FUNCTION TABLE (each gate)
INPUT
OE
L
H
OUTPUT
A port = B port
Disconnect
LOGIC DIAGRAM (positive logic)
A1
OE1
A2
OE2
B1
B2
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U74CBT2G125
CMOS IC
ABSOLUTE MAXIMUM RATING (unless otherwise specified)(Note 1)
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
VCC
-0.5~7.0
V
Input Voltage
VIN
-0.5~7.0
V
Switch terminal I/O voltage
VS
-0.5~7.0
V
Switch I/O current
IS 128 mA
Input Clamp Current(VI<0)
IIK -50 mA
DC VCC/GND current
ICC/IGND
±100
mA
Storage Temperature
TSTG
-65 ~ +150
°C
Note 1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
2. The package thermal impedance is calculated in accordance with JESD 51.
THERMAL DATA
PARAMETER
Junction to Ambient
SOP-8
TSSOP-8
SYMBOL
θJA
RATINGS
97
149
UNIT
°C/W
°C/W
RECOMMENDED OPERATING COMDITIONS
PARAMETER
Supply Voltage
Control pin input voltage
Switch I/O voltage
High-control input voltage
Low-control input voltage
Operating Temperature
Control pin input rise/fall time
SYMBOL
VCC
VIN
VS
VIH
VIL
TA
dt/dv
MIN
4
0
0
2
-40
0
TYP
MAX
5.5
5.5
5.5
0.8
+85
10
UNIT
V
V
V
V
V
°C
ns/V
STATIC CHARACTERISTICS
PARAMETER
Digital Input Diode Voltage
High-level output voltage
Input leakage current
Quiescent Supply Current
Additional Quiescent Supply
Current
Power off leakage current
Off-STATE leakage current
(switch off)
Control Input Capacitance
Switch terminal capacitance
ON-Resistance
SYMBOL
VIK
VOH
IIN
ICC
TEST CONDITIONS
VCC=4,Ii=-18mA
VCC=4.75V
VCC=5.0V
IOH=1μA, VIS= VCC
VCC=5.25V
VCC=4.5~5.5V, VIN=0~5.5V
VCC=5.5V, VI=5.5V or GND, IO=0
MIN TYP MAX UNIT
-1.2 V
2.3 2.8 3.2 V
2.5 3.0 3.4 V
2.7 3.2 3.6 V
±1.0 μA
10 μA
ICC
VCC=5.5V , VIN=3.4 V (one input)
2.5 mA
IOFF VCC=0, A=B= OE =0~5.5V
±1.0 μA
ISZ VCC=4.5~5.5V, A,B=0~5.5V, OE = VCC
±1.0 μA
CIN VCC=5V
CI/O VCC=5V, OE = VCC
VCC=4.5V
VI=0V
II=64mA
II=30mA
RON
VCC=4.75V
VI=2.3V, II=-15mA
VI=0V
II=64mA
II=30mA
VI=2.3V, II=-15mA
3 pF
10 pF
59
59
35 65
58
58
35 50
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U74CBT2G125
CMOS IC
DYNAMIC CHARACTERISTICS (Input: tR, tF2.5ns; PRR10MHz; CL=50pF)
See Fig. 1 and Fig. 2 for test circuit and waveforms.
PARAMETER
From input (A or B) to output (B or A)
From input OE to output (A or B)
From input OE to output (A or B)
SYMBOL
tpd
ten
tdis
TEST CONDITIONS
VCC=4.5V
VCC=4.5V
VCC=4.5V
MIN TYP MAX UNIT
0.32 ns
4.5 ns
5.0 ns
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www.unisonic.com.tw
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