1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause
permanent damage to the device. This is a stress rating only and functional operation
of the device at these or any other conditions above those indicated in the operational
sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect reliability.
FUNCTION TABLE
(1)
Input
BE
L
L
H
NOTE:
1. H = HIGH Voltage Level
X = Don’t Care
L = LOW Voltage Level
Z = High Impedance
Inputs/Outputs
BX
L
H
X
1
A
1
-
5
A
1
1
B
1
-
5
B
1
1
B
2
-
5
B
2
1
A
2
-
5
A
2
1
B
2
-
5
B
2
1
B
1
-
5
B
1
GND
BX
Z
Z
SSOP/ QSOP/ TSSOP
TOP VIEW
OPERATING CHARACTERISTICS, T
A
= 25°C
(1)
Symbol
V
CC
V
IH
V
IL
T
A
Parameter
Supply Voltage
High-Level Control Input Voltage
Low-Level Control Input Voltage
Operating Free-Air Temperature
V
CC
= 2.3V to 2.7V
V
CC
= 2.7V to 3.6V
V
CC
= 2.3V to 2.7V
V
CC
= 2.7V to 3.6V
NOTE:
1. All unused control inputs of the device must be held at V
CC
or GND to ensure proper device operation.
Test Conditions
Min.
2.3
1.7
2
—
—
−40
Max.
3.6
—
—
0.7
0.8
85
Unit
V
V
V
°C
2
IDT74CBTLV3383
LOW-VOLTAGE 10-BIT BUS-EXCHANGE SWITCH
INDUSTRIAL TEMPERATURE RANGE
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE
Following Conditions Apply Unless Otherwise Specified:
Operating Conditions: T
A
= –40°C to +85°C
Symbol
V
IK
I
I
I
OZ
I
OFF
I
CC
ΔI
CC
(2)
C
I
C
IO(OFF)
V
CC
= 2.3V
Typ. at V
CC
= 2.5V
R
ON
(3)
V
CC
= 3V
V
I
= 2.4V
Control Inputs
Control Inputs
Parameter
Control Inputs, Data Inputs
Control Inputs
Data I/O
V
CC
= 3V, I
I
= –18mA
V
CC
= 3.6V, V
I
= V
CC
or GND
V
CC
= 3.6V, V
O
= 0 or 3.6V, switch disabled
V
CC
= 0, V
I
or V
O
= 0 to 3.6V
V
CC
= 3.6V, I
O
= 0, V
I
= V
CC
or GND
V
CC
= 3.6V, one input at 3V, other inputs at V
CC
or GND
V
I
= 3V or 0
V
O
= 3V or 0,
BE
= V
CC
V
I
= 0
V
I
= 1.7V
V
I
= 0
I
O
= 64mA
I
O
= 24mA
I
O
= 15mA
I
O
= 64mA
I
O
= 24mA
I
O
= 15mA
Test Conditions
Min.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Typ.
(1)
—
—
—
—
—
—
3.5
13.5
5
5
27
5
5
10
Max.
–1.2
±1
5
10
10
300
—
—
8
8
40
7
7
15
Unit
V
µA
µA
µA
µA
µA
pF
pF
Ω
NOTES:
1. Typical values are at V
CC
= 3.3V, +25°C ambient.
2. The increase in supply current is attributable to each current that is at the specified voltage level rather than V
CC
or GND.
3. This is measured by the voltage drop between the A and B terminals at the indicated current through the switch. On-state resistance is determined by the lower of the voltages
of the two (A or B ) terminals.
SWITCHING CHARACTERISTICS
V
CC
= 2.5V ± 0.2V
Symbol
t
PD
(1)
t
PD
t
EN
t
DIS
Parameter
Propagation Delay
A to B or B to A
Propagation Delay
BX to A or B
Output Enable Time
BE
to A or B
Output Disable Time
BE
to A or B
NOTE:
1. The propagation delay is the calculated RC time constant of the typical on-state resistance of the switch and the specified load capacitance driven by an ideal voltage source
(zero output impedance).
V
CC
= 3.3V ± 0.3V
Max.
0.15
5.8
5.3
6
Min.
−
1.5
1.5
1
Typ.
−
−
−
−
Max.
0.25
4.7
4.7
6
Unit
ns
ns
ns
ns
Min.
−
1.5
1.5
1
Typ.
−
−
−
−
3
IDT74CBTLV3383
LOW-VOLTAGE 10-BIT BUS-EXCHANGE SWITCH
INDUSTRIAL TEMPERATURE RANGE
TEST CIRCUITS AND WAVEFORMS
TEST CONDITIONS
Symbol
V
LOAD
V
IH
V
T
V
LZ
V
HZ
C
L
V
CC(1)
= 3.3V±0.3V
6
3
1.5
300
300
50
V
CC(2)
= 2.5V±0.2V
2 x Vcc
Vcc
Vcc / 2
150
150
30
Unit
V
V
V
mV
mV
pF
OPPOSITE PHASE
INPUT TRANSITION
SAME PHASE
INPUT TRANSITION
t
PLH
OUTPUT
t
PLH
t
PHL
t
PHL
V
IH
V
T
0V
V
OH
V
T
V
OL
V
IH
V
T
0V
Propagation Delay
V
CC
500Ω
Pulse
Generator
(1, 2)
V
LOAD
Open
GND
CONTROL
INPUT
ENABLE
DISABLE
V
IN
D.U.T.
R
T
V
OUT
t
PZL
OUTPUT
SWITCH
NORMALLY
CLOSED
LOW
t
PZH
OUTPUT
SWITCH
NORMALLY
OPEN
HIGH
V
LOAD/2
V
T
t
PHZ
V
T
0V
t
PLZ
V
IH
V
T
0V
V
LOAD/2
V
OL +
V
LZ
V
OL
V
OH
V
OH -
V
HZ
0V
500Ω
C
L
Test Circuits for All Outputs
DEFINITIONS:
C
L
= Load capacitance: includes jig and probe capacitance.
“tensymetry”这个词在《韦伯斯特词典》中没有解释，但在医学界却广为人知。由Tensys Medical Systems公司开发的tensymetry是一种使用生物机械、电气、软件工程的专有组合技术。利用这三种强大的技术，你可在手术室内对病人的心跳血压进行精确、连续、实时和非侵入性测量。 该技术结出的果实就是该公司的T-line Tensymeter产品。该产品线的最新进展是去年...[详细]
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