U74CBT3126G-P14-R [UTC]
QUADRUPLE FET BUS SWITCH;
| 型号： | U74CBT3126G-P14-R |
| 厂家： | 
Unisonic Technologies |
| 描述： | QUADRUPLE FET BUS SWITCH |
| 文件： | 总5页 (文件大小：232K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
UNISONIC TECHNOLOGIES CO., LTD
U74CBT3126
CMOS IC
QUADRUPLE FET BUS SWITCH
DESCRIPTION
The U74CBT3126 is a quadruple line bus switch. It is composed
of four 1-bit line switchs with independent separate output-enable
(OE) inputs. When OE is low, the switch is disabled.
To ensure the high-impedance state during power up or power
down, OE should be tied to GND through a pull-down resistor and
the minimum value of the resistor is determined by the
current-sourcing capability of the driver.
FEATURES
* 5 Ω switch connection between two ports
* Max tpd of 0.25 ns at 5V
* Low power consumption, ICC = 3 μA (Max.) at 5.5V
* TTL compatible input levels
ORDERING INFORMATION
Ordering Number
U74CBT3126G-S14-R
U74CBT3126G-P14-R
Package
SOP-14
Packing
Tape Reel
Tape Reel
TSSOP-14
MARKING
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Copyright © 2015 Unisonic Technologies Co., Ltd
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U74CBT3126
CMOS IC
PIN CONFIGURATION
14
13
12
1
2
3
4
5
6
7
VCC
1OE
1A
4OE
4A
1B
11 4B
10
2OE
2A
3OE
9
8
3A
3B
2B
GND
FUNCTION TABLE (each bus switch)
INPUT
FUNCTION
OE
L
Z
H
A=B
LOGIC DIAGRAM (positive logic)
1
1OE
3
2
1A
1B
4
2OE
6
5
2A
2B
10
3OE
8
9
3A
3B
13
4OE
11
12
4A
4B
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U74CBT3126
CMOS IC
ABSOLUTE MAXIMUM RATING (TA =25°C , unless otherwise specified)
PARAMETER
SYMBOL
VCC
VIN
RATINGS
-0.5~7
-0.5~7
4 ~ 5.5
2
UNIT
V
Supply Voltage
Input Voltage
V
Supply Voltage
VCC
VIH
V
High
Low
V
Control Input Voltage
VIL
0.8
V
Input Clamp Current
Continuous Channel Current
Power Dissipation
IIK
-50
mA
mA
ICH
128
SOP-14
600
PD
mW
T
OPR = -40°C to +125°C
TSSOP-14
500
Operating Temperature
Storage Temperature
TOPR
TSTG
-40 ~ +85
-65 ~ +150
°C
°C
Note: 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. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
THERMAL DATA
PARAMETER
Junctions to Ambient
SYMBOL
RATINGS
139
UNIT
°C/W
SOP-14
θJA
TSSOP-14
170
ELECTRICAL CHARACTERISTICS (TA =25°C , VCC = 5 V, unless otherwise specified)
PARAMETER
SYMBOL
VIK
TEST CONDITIONS
VCC = 4.5V, II = -18mA
MIN TYP MAX UNIT
Digital Input Diode Voltage
Input Leakage Current
(OE inputs)
-1.2
V
II(LEAK)
ICC
VCC = 5.5V, VIN = 5.5V or GND
±1
μA
VCC = 5.5V, VIN = 5.5V or GND, IOUT
=
Quiescent Supply Current
3
μA
0
V
CC = 5.5V, One input at 3.4V,
Additional quiescent Supply Current
ICC
2.5
mA
Other inputs at VCC or GND
VIN = 3V or GND
Input Capacitance (OE)
I/O Capacitance (OFF)
CIN
CIO
3
4
pF
pF
VOUT = 3V or GND, OE = GND
VCC = 4V, VIN = 2.4V, IIN = 15mA, TYP
at VCC = 4V
16
22
Resistor between two ports
ron
VCC = 4.5V, VIN = 0V, IIN = 64mA
VCC = 4.5V, VIN = 0V, IIN = 30mA
5
5
7
7
Ω
VCC = 4.5V, VIN = 2.4V, IIN = 15mA
10
15
SWITCHING CHARACTERISTICS (TA =25°C)
PARAMETER
SYMBOL
tPLH/tPHL
(tpd)
TEST CONDITIONS
VCC=4V
MIN
MAX
UNIT
ns
Propagation delay
from input A (or B) to output B (or A)
0.35
0.25
5.4
5.1
5
VCC=5±0.5V
Propagation delay
from input OE to output A or B
tPZL/tPZH
(ten)
VCC=4V
CL=50pF, RL=500Ω
ns
ns
VCC=5±0.5V
VCC=4V
1.6
1
Propagation delay
from input OE to output A or B
tPLZ/tPHZ
(tdis)
VCC=5±0.5V
4.5
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U74CBT3126
CMOS IC
TEST CIRCUIT AND WAVEFORMS
TEST
tPLH/tPHL
tPLZ/tPZL
tPHZ/tPZH
S1
Open
VLOAD
Open
Inputs
VCC
VM
VLOAD
CL
RL
V∆
VIN
VCC
VCC
tr, tf
4V
≤2.5ns
≤2.5ns
1.5V
1.5V
7V
7V
50pF
50pF
500Ω
500Ω
0.3V
0.3V
5V±0.5V
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U74CBT3126
CMOS IC
TEST CIRCUIT AND WAVEFORMS(Cont.)
VIN
0V
Input
VM
VM
tPZL
tPZL
VLOAD/2
Output
S1 at VLOAD
VM
VOL+VΔ
VOL
tPHZ
tPZH
VOH
0V
VOH+VΔ
Output
S1 at Open
VM
Notes: 1. CL includes probe and jig capacitance.
2. All input pulses are supplied by generators having the following characteristics: PRR ≤10MHz, ZO = 50Ω.
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
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