74CBTLV3384
LOW-VOLTAGE 10-BIT BUS SWITCH
INDUSTRIAL TEMPERATURE RANGE
74CBTLV3384
LOW-VOLTAGE 10-BIT
BUS SWITCH
DESCRIPTION:
FEATURES:
5Ω
Ω A/B bi-directional bus switch
Isolation under power-off conditions
Over-voltage tolerant
Latch-up performance exceeds 100mA
VCC = 2.3V - 3.6V, Normal Range
ESD > 2000V per MIL-STD-883, Method 3015;
> 200V using machine model (C = 200pF, R = 0)
• Available in QSOP and TSSOP packages
The CBTLV3384 is a ten bit high-speed bus switch with low on-state
resistance of the switch allowing connections to be made with minimal
propagation delay.
The device is organized as dual 5-bit bus switches with separate outputenable (OE) inputs, to allow use as two 5-bit bus switches or one 10-bit bus
switch. When OE is low, the associated 5-bit bus switch is on and A port is
connected to B port. When OE is high, the switch is open, and a highimpedance state exists between the two ports.
To ensure the high-impedance state during power up or power down,
OE should be tied to VCC through a pullup resistor; the minimum value of
the resistor is determined by the current-sinking capability of the driver.
•
•
•
•
•
•
APPLICATIONS:
• 3.3V High Speed Bus Switching and Bus Isolation
FUNCTIONAL BLOCK DIAGRAM
1A1
1A5
3
11
SW
SW
SIMPLIFIED SCHEMATIC, EACH SWITCH
2
10
1B1
1B5
1
2A1
14
B
A
1OE
SW
15
2B1
OE
2A5
2OE
22
SW
10
2B5
13
INDUSTRIAL TEMPERATURE RANGE
MAY 2019
1
© 2019 Integrated Device Technology, Inc.
DSC-5742/7
74CBTLV3384
LOW-VOLTAGE 10-BIT BUS SWITCH
INDUSTRIAL TEMPERATURE RANGE
ABSOLUTE MAXIMUM RATINGS(1)
PIN CONFIGURATION
Symbol
1OE
1
24
VCC
1B1
2
23
2B5
1A1
3
22
2A5
1A2
4
21
2A4
1B2
5
20
2B4
1B3
6
19
2B3
1A3
7
18
2A3
1A4
8
17
2A2
1B4
9
16
2B2
Max
Unit
VCC
SupplyVoltage Range
Description
–0.5 to +4.6
V
VI
Input Voltage Range
–0.5 to +4.6
V
128
mA
–50
mA
–65 to +150
°C
Continuous Channel Current
IIK
Input Clamp Current, VI/O < 0
TSTG
Storage Temperature
NOTE:
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)
1B5
10
15
2B1
1A5
11
14
2A1
1OE
2OE
1B1 - 1B5
2B1 - 2B5
GND
12
13
2OE
L
L
1A1 - 1A5
2A1 - 2A5
L
H
1A1 - 1A5
Z
H
L
Z
2A1 - 2A5
H
H
Z
Z
Min.
Max.
Unit
2.3
3.6
V
1.7
—
V
Input
TOP VIEW
Package Type
Package Code
Order Code
TSSOP
PGG24
PGG
QSOP
PCG24
QG
Inputs/Outputs
NOTE:
1. H = HIGH Voltage Level
L = LOW Voltage Level
Z = High Impedance
OPERATING CHARACTERISTICS, TA = 25°C(1)
Symbol
Parameter
Test Conditions
VCC
Supply Voltage
VIH
High-Level Control Input Voltage
VCC = 2.3V to 2.7V
VCC = 2.7V to 3.6V
2
—
VIL
Low-Level Control Input Voltage
VCC = 2.3V to 2.7V
—
0.7
—
0.8
TA
Operating Free-Air Temperature
−40
85
VCC = 2.7V to 3.6V
NOTE:
1. All unused control inputs of the device must be held at VCC or GND to ensure proper device operation.
2
V
°C
74CBTLV3384
LOW-VOLTAGE 10-BIT BUS SWITCH
INDUSTRIAL TEMPERATURE RANGE
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE
Following Conditions Apply Unless Otherwise Specified:
Operating Conditions: TA = –40°C to +85°C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
—
—
–1.2
V
—
—
±1
µA
—
—
5
µA
—
50
µA
VIK
Control Inputs, Data I/O
VCC = 3V, II = –18mA
II
Control Inputs, Data I/O
VCC = 3.6V, VI = VCC or GND
Data I/O
VCC = 3.6V, VO = 0 or 3.6V, switch disabled
VCC = 0, VI or VO = 0 to 3.6V
—
IOZ
IOFF
VCC = 3.6V, IO = 0, VI = VCC or GND
—
—
10
µA
ΔICC(1)
ICC
Control Inputs
VCC = 3.6V, one input at 3V, other inputs at VCC or GND
—
—
300
µA
CI
Control Inputs
VI = 3V or 0
—
4
—
pF
VO = 3V or 0, OE = VCC
VI = 0
—
—
—
—
—
—
—
7
5
5
27
5
5
10
—
8
8
40
7
7
15
pF
CIO(OFF)
Max. at VCC = 2.3V
Typ. at VCC = 2.5V
RON(2)
IO = 64mA
IO = 24mA
IO = 15mA
IO = 64mA
IO = 24mA
IO = 15mA
VI = 1.7V
VI = 0
VCC = 3V
VI = 2.4V
Ω
NOTES:
1. The increase in supply current is attributable to each current that is at the specified voltage level rather than VCC or GND.
2. 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
VCC = 2.5V ± 0.2V
Symbol
tPD
(1)
Parameter
Propagation Delay
VCC = 3.3V ± 0.3V
Min.
Max.
Min.
Max.
Unit
−
0.15
−
0.25
ns
1
5
1
4.3
ns
1
5.5
1
5.5
ns
A to B or B to A
tEN
Output Enable Time
OE to A or B
tDIS
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).
3
74CBTLV3384
LOW-VOLTAGE 10-BIT BUS SWITCH
INDUSTRIAL TEMPERATURE RANGE
TEST CIRCUITS AND WAVEFORMS
SAME PHASE
INPUT TRANSITION
TEST CONDITIONS
Symbol
VCC(1)= 3.3V±0.3V
VCC(2)= 2.5V±0.2V
Unit
VLOAD
6
2 x Vcc
V
VIH
3
Vcc
V
VT
1.5
Vcc / 2
V
VLZ
300
150
mV
VHZ
300
150
mV
CL
50
30
pF
500Ω
VIN
Pulse
Generator
tPHL
VIH
VT
0V
DISABLE
ENABLE
CONTROL
INPUT
GND
tPZL
VOUT
D.U.T.
RT
tPLH
Propagation Delay
Open
(1, 2)
tPHL
OPPOSITE PHASE
INPUT TRANSITION
VLOAD
VCC
tPLH
OUTPUT
OUTPUT
SWITCH
NORMALLY CLOSED
LOW
tPZH
OUTPUT SWITCH
NORMALLY
OPEN
HIGH
500Ω
CL
tPLZ
VLOAD/2
VT
tPHZ
VT
0V
Test Circuits for All Outputs
Enable and Disable Times
DEFINITIONS:
CL = Load capacitance: includes jig and probe capacitance.
RT = Termination resistance: should be equal to ZOUT of the Pulse Generator.
NOTES:
1. Pulse Generator for All Pulses: Rate ≤ 10MHz; tF ≤ 2.5ns; tR ≤ 2.5ns.
2. Pulse Generator for All Pulses: Rate ≤ 10MHz; tF ≤ 2ns; tR ≤ 2.5ns.
SWITCH POSITION
Test
Switch
tPLZ/tPZL
VLOAD
tPHZ/tPZH
GND
tPD
Open
VIH
VT
0V
VOH
VT
VOL
4
VIH
VT
0V
VLOAD/2
VOL + VLZ
VOL
VOH
VOH -VHZ
0V
74CBTLV3384
LOW-VOLTAGE 10-BIT BUS SWITCH
INDUSTRIAL TEMPERATURE RANGE
ORDERING INFORMATION
CBTLV
XXX
XX
XX
Device Type Package
Temp. Range
X
X
Blank
8
Tube
Tape and Reel
G
Green
Q
PG
Quarter-Size Small Outline Package (PCG24)
Thin Shrink Small Outline Package (PGG24)
3384
Low-Voltage 10-Bit Bus Switch
74
–40°C to +85°C
Orderable Part Information
Speed
(ns)
Pkg.
Code
Pkg.
Type
Temp.
Grade
74CBTLV3384PGG
PGG24
TSSOP
I
74CBTLV3384PGG8
PGG24
TSSOP
I
74CBTLV3384QG
PCG24
QSOP
I
74CBTLV3384QG8
PCG24
QSOP
I
Orderable Part ID
Datasheet Document History
12/18/2014
05/10/2019
Pg. 5
Pg. 2,5
Updated the ordering information by removing non RoHS part and by adding Tape and Reel information.
Added table under pin configuration diagram with detailed package information and orderable part information table.
Updated the ordering information diagram in clearer detail.
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5
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