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.
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
IDT74CBTLV3125
LOW-VOLTAGE QUADRUPLE BUS 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,
OE
= 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)
—
—
—
—
—
—
4
6
5
5
27
5
5
10
Max.
–1.2
±1
5
50
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.
SWITCHING CHARACTERISTICS
V
CC
= 2.5V ± 0.2V
Symbol
t
PD
(1)
t
EN
t
DIS
Parameter
Propagation Delay
A to B or B to A
Output Enable Time
OE
to A or B
Output Disable Time
OE
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
4.6
3.9
Min.
−
1
1
Max.
0.25
4.4
4.2
Unit
ns
ns
ns
Min.
−
1
1
3
IDT74CBTLV3125
LOW-VOLTAGE QUADRUPLE BUS 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
SAME PHASE
INPUT TRANSITION
t
PLH
OUTPUT
t
PLH
OPPOSITE PHASE
INPUT TRANSITION
t
PHL
t
PHL
V
IH
V
T
0V
V
OH
V
T
V
OL
V
IH
V
T
0V
Propagation Delay
ENABLE
CONTROL
INPUT
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
DISABLE
V
CC
500Ω
Pulse
Generator
(1, 2)
V
LOAD
Open
GND
V
IH
V
T
0V
V
LOAD/2
V
OL +
V
LZ
V
OL
V
OH
V
OH -
V
HZ
0V
V
IN
D.U.T.
R
T
V
OUT
500Ω
C
L
Test Circuits for All Outputs
Enable and Disable Times
DEFINITIONS:
C
L
= Load capacitance: includes jig and probe capacitance.
R
T
= Termination resistance: should be equal to Z
OUT
of the Pulse Generator.
NOTES:
1. Pulse Generator for All Pulses: Rate
≤
10MHz; t
F
≤
2.5ns; t
R
≤
2.5ns.
2. Pulse Generator for All Pulses: Rate
≤
10MHz; t
F
≤
2ns; t
R
≤
2.5ns.
SWITCH POSITION
Test
t
PLZ
/t
PZL
t
PHZ
/t
PZH
t
PD
Switch
V
LOAD
GND
Open
4
IDT74CBTLV3125
LOW-VOLTAGE QUADRUPLE BUS SWITCH
INDUSTRIAL TEMPERATURE RANGE
ORDERING INFORMATION
CBTLV
XXX
XX
XX
Device Type Package
Temp. Range
X
Blank
8
QG
PGG
Tube or Tray
Tape and Reel
Quarter-size Small Outline Package - Green
Thin Shrink Small Outline Package - Green
3125
Low-Voltage Quadruple Bus Switch
74
–40°C to +85°C
Datasheet Document History
07/14/2008
12/04/2014
Pg. 1
Pg. 5
Updated IDT Logo.
Updated the ordering information by removing the "IDT" notation, non RoHS part and by
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