TI TXB0102YZPR

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TXB0102
2-BIT BIDIRECTIONAL VOLTAGE-LEVEL TRANSLATOR
WITH AUTO DIRECTION SENSING AND ±15-kV ESD PROTECTION
FEATURES
•
•
•
•
•
•
•
•
Available in the Texas Instruments
NanoFree™ Packages
1.2 V to 3.6 V on A Port and 1.65 V to 5.5 V on
B Port (VCCA ≤ VCCB)
VCC Isolation Feature – If Either VCC Input Is at
GND, All Outputs Are in the High-Impedance
State
OE Input Circuit Referenced to VCCA
Low Power Consumption, 4-µA Max ICC
Ioff Supports Partial-Power-Down Mode
Operation
Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
ESD Protection Exceeds JESD 22
– A Port
– 2500-V Human-Body Model (A114-B)
– 200-V Machine Model (A115-A)
– 1500-V Charged-Device Model (C101)
– B Port
– 15-kV Human-Body Model (A114-B)
– 200-V Machine Model (A115-A)
– 1500-V Charged-Device Model (C101)
SCES641 – MAY 2007
DCT OR DCU PACKAGE
(TOP VIEW)
8 B1
B2 1
GND 2
7 VCCB
VCCA 3
6 OE
A2 4
5 A1
YZP PACKAGE
(BOTTOM VIEW)
A2
VCCA
GND
B2
4 5
3 6
2 7
1 8
A1
OE
VCCB
B1
DESCRIPTION/ORDERING INFORMATION
This 2-bit noninverting translator uses two separate configurable power-supply rails. The A port is designed to
track VCCA. VCCA accepts any supply voltage from 1.2 V to 3.6 V. The B port is designed to track VCCB. VCCB
accepts any supply voltage from 1.65 V to 5.5 V. This allows for universal low-voltage bidirectional translation
between any of the 1.2-V, 1.5-V, 1.8-V, 2.5-V, 3.3-V, and 5-V voltage nodes. VCCA should not exceed VCCB.
When the output-enable (OE) input is low, all outputs are placed in the high-impedance state.
This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs,
preventing damaging current backflow through the device when it is powered down.
To ensure the high-impedance state during power up or power down, OE should be tied to GND through a
pulldown resistor; the minimum value of the resistor is determined by the current-sourcing capability of the
driver.
NanoFree™ package technology is a major breakthrough in IC packaging concepts, using the die as the
package.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
NanoFree is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2007, Texas Instruments Incorporated
TXB0102
2-BIT BIDIRECTIONAL VOLTAGE-LEVEL TRANSLATOR
WITH AUTO DIRECTION SENSING AND ±15-kV ESD PROTECTION
www.ti.com
SCES641 – MAY 2007
ORDERING INFORMATION
PACKAGE (1) (2)
TA
NanoFree™ – WCSP (DSBGA)
0.23-mm Large Bump – YZP
(Pb-free)
–40°C to 85°C
SOT (SOT-23) – DCT
SOT (SOT-70) – DCU
(1)
(2)
(3)
TOP-SIDE MARKING (3)
ORDERABLE PART NUMBER
Reel of 3000
TXB0102YZPR
Reel of 3000
TXB0102DCTR
Reel of 250
TXB0102DCTT
Reel of 3000
TXB0102DCUR
Reel of 250
TXB0102DCUT
2E_
NFD_
NFD_
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
www.ti.com/sc/package.
For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the
TI website at www.ti.com.
YZP: The actual top-side marking has three preceding characters to denote year, month, and sequence code, and one following
character to designate the assembly/test site. Pin 1 identifier indicates solder-bump composition (1 = SnPb, • = Pb-free).
PIN DESCRIPTION
PIN
NAME
1
B2
FUNCTION
Input/output B. Referenced to VCCB.
2
GND
Ground
3
VCCA
A port supply voltage. 1.2 V ≤ VCCA ≤ 3.6 V and VCCA ≤ VCCB
4
A2
Input/output A. Referenced to VCCA.
5
A1
Input/output A. Referenced to VCCA.
6
OE
3-State output. Pull OE low to place all outputs in 3-state mode. Referenced to VCCA.
7
VCCB
8
B1
B port supply voltage. 1.65 V ≤ VCCB ≤ 5.5 V
Input/output B. Referenced to VCCB.
TYPICAL OPERATING CIRCUIT
1.8 V
0.1 µF
3.3 V
1.8-V
System
Controller
Data
Data
GND
2
VCCA
VCCB
OE
3.3-V
System
A1
B1
Data
A2
B2
Data
GND
GND
Submit Documentation Feedback
0.1 µF
TXB0102
2-BIT BIDIRECTIONAL VOLTAGE-LEVEL TRANSLATOR
WITH AUTO DIRECTION SENSING AND ±15-kV ESD PROTECTION
www.ti.com
SCES641 – MAY 2007
Absolute Maximum Ratings
(1)
over operating free-air temperature range (unless otherwise noted)
MIN
MAX
VCCA
Supply voltage range
–0.5
4.6
VCCB
Supply voltage range
–0.5
6.5
VI
Input voltage range (2)
A port
–0.5
4.6
B port
–0.5
6.5
VO
Voltage range applied to any output in the high-impedance or
power-off state (2)
A port
–0.5
4.6
B port
–0.5
6.5
VO
Voltage range applied to any output in the high or low state (2) (3)
A port
–0.5 VCCA + 0.5
B port
–0.5 VCCB + 0.5
IIK
Input clamp current
VI < 0
–50
mA
IOK
Output clamp current
VO < 0
–50
mA
IO
Continuous output current
±50
mA
±100
mA
Continuous current through VCCA, VCCB, or GND
θJA
Package thermal impedance (4)
Tstg
(1)
(2)
(3)
(4)
DCT package
220
DCU package
227
YZP package
102
Storage temperature range
–65
UNIT
V
V
V
V
°C/W
°C
150
Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating
conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
The input and output negative-voltage ratings may be exceeded if the input and output current ratings are observed.
The value of VCCA and VCCB are provided in the recommended operating conditions table.
The package thermal impedance is calculated in accordance with JESD 51-7.
Recommended Operating Conditions (1) (2)
VCCA
VCCA
VCCB
Supply voltage
MAX
1.2
3.6
1.65
5.5
1.2 V to 3.6 V
1.65 V to 5.5 V
VCCI × 0.65 (3)
VCCI
OE input
1.2 V to 3.6 V
1.65 V to 5.5 V
VCCA × 0.65
5.5
Data inputs
1.2 V to 5.5 V
1.65 V to 5.5 V
0
VCCI × 0.35 (3)
OE input
1.2 V to 3.6 V
1.65 V to 5.5 V
0
VCCA × 0.35
0
3.6
1.2 V to 3.6 V
1.65 V to 5.5 V
0
5.5
High-level input voltage
VIL
Low-level input voltage
VO
Voltage range applied to any A port
output in the
high-impedance or power-off B port
state
∆t/∆v
Input transition rise or fall
rate
A port inputs
(1)
(2)
(3)
MIN
Data inputs
VIH
TA
VCCB
B port inputs
1.2 V to 3.6 V
1.2 V to 3.6 V
1.65 V to 5.5 V
40
1.65 V to 1.95 V
40
4.5 V to 5.5 V
30
Operating free-air temperature
–40
85
UNIT
V
V
V
V
ns/V
°C
The A and B sides of an unused data I/O pair must be held in the same state, i.e., both at VCCI or both at GND.
VCCA must be less than or equal to VCCB and must not exceed 3.6 V.
VCCI is the supply voltage associated with the input port.
Submit Documentation Feedback
3
TXB0102
2-BIT BIDIRECTIONAL VOLTAGE-LEVEL TRANSLATOR
WITH AUTO DIRECTION SENSING AND ±15-kV ESD PROTECTION
www.ti.com
SCES641 – MAY 2007
Electrical Characteristics (1) (2)
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST
CONDITIONS
VCCA
TA = 25°C
VCCB
MIN
1.2 V
IOH = –20 µA
VOLA
IOL = 20 µA
VOHB
IOH = –20 µA
1.65 V to 5.5 V
VOLB
IOL = 20 µA
1.65 V to 5.5 V
MIN
MAX
1.4 V to 3.6 V
V
1.2 V
0.9
1.4 V to 3.6 V
VCCB – 0.4
V
0.4
V
µA
1.2 V to 3.6 V
1.65 V to 5.5 V
±1
±2
A port
VI or VO = 0 to 3.6
V
0V
0 V to 5.5 V
±1
±2
B port
VI or VO = 0 to 5.5
V
0 V to 3.6 V
0V
±1
±2
A or B port
OE = GND
1.2 V to 3.6 V
1.65 V to 5.5 V
±1
±2
1.2 V
1.65 V to 5.5 V
1.4 V to 3.6 V
1.65 V to 5.5 V
3
3.6 V
0V
2
VI = VCCI or GND,
IO = 0
µA
0V
5.5 V
1.65 V to 5.5 V
VI = VCCI or GND,
IO = 0
1.4 V to 3.6 V
1.65 V to 5.5 V
5
3.6 V
0V
–2
0V
5.5 V
ICCA + ICCB
VI = VCCI or GND,
IO = 0
1.2 V
1.65 V to 5.5 V
1.4 V to 3.6 V
1.65 V to 5.5 V
VI = VCCI or GND,
IO = 0,
OE = GND
1.2 V
1.65 V to 5.5 V
ICCZA
1.4 V to 3.6 V
1.65 V to 5.5 V
VI = VCCI or GND,
IO = 0,
OE = GND
1.2 V
1.65 V to 5.5 V
ICCZB
1.4 V to 3.6 V
1.65 V to 5.5 V
1.2 V to 3.6 V
1.65 V to 5.5 V
Ci
Cio
(1)
(2)
OE
A port
1.2 V to 3.6 V
B port
µA
0.06
1.2 V
ICCB
V
0.4
VI = VCCI or GND
ICCA
UNIT
VCCA – 0.4
OE
Ioff
IOZ
–40°C to 85°C
MAX
1.1
VOHA
II
TYP
µA
–2
3.4
µA
2
3.5
8
0.05
3
3.3
5
1.65 V to 5.5 V
2.5
3
5
6
11
14
µA
µA
µA
pF
pF
VCCI is the supply voltage associated with the input port.
VCCO is the supply voltage associated with the output port.
Timing Requirements
TA = 25°C, VCCA = 1.2 V
Data rate
tw
Pulse duration
Data inputs
VCCB = 1.8 V
VCCB = 2.5 V
VCCB = 3.3 V
VCCB = 5 V
TYP
TYP
TYP
TYP
20
20
20
20
Mbps
50
50
50
50
ns
UNIT
Timing Requirements
over recommended operating free-air temperature range, VCCA = 1.5 V ± 0.1 V (unless otherwise noted)
VCCB = 1.8 V
± 0.15 V
MIN
Data rate
4
MAX
VCCB = 2.5 V
± 0.2 V
MIN
40
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MAX
40
VCCB = 3.3 V
± 0.3 V
MIN
MAX
40
VCCB = 5 V
± 0.5 V
MIN
UNIT
MAX
40
Mbps
TXB0102
2-BIT BIDIRECTIONAL VOLTAGE-LEVEL TRANSLATOR
WITH AUTO DIRECTION SENSING AND ±15-kV ESD PROTECTION
www.ti.com
SCES641 – MAY 2007
Timing Requirements (continued)
over recommended operating free-air temperature range, VCCA = 1.5 V ± 0.1 V (unless otherwise noted)
VCCB = 1.8 V
± 0.15 V
MIN
tw
Pulse duration
Data inputs
VCCB = 2.5 V
± 0.2 V
MAX
MIN
25
MAX
VCCB = 3.3 V
± 0.3 V
MIN
25
VCCB = 5 V
± 0.5 V
MAX
MIN
25
UNIT
MAX
25
ns
Timing Requirements
over recommended operating free-air temperature range, VCCA = 1.8 V ± 0.15 V (unless otherwise noted)
VCCB = 1.8 V
± 0.15 V
MIN
MAX
Data rate
tw
VCCB = 2.5 V
± 0.2 V
MIN
MAX
60
Pulse duration
Data inputs
VCCB = 3.3 V
± 0.3 V
MIN
60
17
VCCB = 5 V
± 0.5 V
MAX
MIN
60
17
60
17
UNIT
MAX
17
Mbps
ns
Timing Requirements
over recommended operating free-air temperature range, VCCA = 2.5 V ± 0.2 V (unless otherwise noted)
VCCB = 2.5 V
± 0.2 V
MIN
Data rate
tw
VCCB = 3.3 V
± 0.3 V
MAX
MIN
MAX
100
Pulse duration
Data inputs
VCCB = 5 V
± 0.5 V
MIN
100
10
UNIT
MAX
100
10
10
Mbps
ns
Timing Requirements
over recommended operating free-air temperature range, VCCA = 3.3 V ± 0.3 V (unless otherwise noted)
VCCB = 3.3 V
± 0.3 V
MIN
Data rate
tw
VCCB = 5 V
± 0.5 V
MAX
MIN
100
Pulse duration
Data inputs
10
UNIT
MAX
100
10
Mbps
ns
Switching Characteristics
TA = 25°C, VCCA = 1.2 V
PARAMETER
tpd
FROM
(INPUT)
TO
(OUTPUT)
VCCB = 1.8 V
VCCB = 2.5 V
VCCB = 3.3 V
VCCB = 5 V
TYP
TYP
TYP
TYP
A
B
6.9
5.7
5.3
5.5
B
A
7.4
6.4
6
5.8
A
1
1
1
1
B
1
1
1
1
A
18
15
14
14
B
20
17
16
16
ten
OE
tdis
OE
UNIT
ns
µs
ns
trA
A port rise time
4.2
4.2
4.2
4.2
ns
tfA
A port fall times
4.2
4.2
4.2
4.2
ns
trB
B port rise times
2.1
1.5
1.2
1.1
ns
tfB
B port fall times
2.1
1.5
1.2
1.1
ns
tsk(o)
Channel-to-channel
0.5
0.5
0.5
1.4
ns
20
20
20
20
Mbps
Max data rate
Submit Documentation Feedback
5
TXB0102
2-BIT BIDIRECTIONAL VOLTAGE-LEVEL TRANSLATOR
WITH AUTO DIRECTION SENSING AND ±15-kV ESD PROTECTION
www.ti.com
SCES641 – MAY 2007
Switching Characteristics
over recommended operating free-air temperature range, VCCA = 1.5 V ± 0.1 V (unless otherwise noted)
PARAMETER
tpd
FROM
(INPUT)
TO
(OUTPUT)
A
B
ten
OE
tdis
OE
trA
VCCB = 1.8 V
± 0.15 V
VCCB = 2.5 V
± 0.2 V
VCCB = 3.3 V
± 0.3 V
MIN
MAX
MIN
MAX
MIN
B
1.4
12.9
1.2
10.1
A
0.9
14.2
0.7
12
VCCB = 5 V
± 0.5 V
UNIT
MAX
MIN
MAX
1.1
10
0.8
9.9
0.4
11.7
0.3
13.7
A
1
1
1
1
B
1
1
1
1
ns
µs
A
5.9
31
5.7
25.9
5.6
23
5.7
22.4
B
5.4
30.3
4.9
22.8
4.8
20
4.9
19.5
A port rise times
1.4
5.1
1.4
5.1
1.4
5.1
1.4
5.1
ns
ns
tfA
A port fall times
1.4
5.1
1.4
5.1
1.4
5.1
1.4
5.1
ns
trB
B port rise times
0.9
4.5
0.6
3.2
0.5
2.8
0.4
2.7
ns
tfB
B port fall times
0.9
4.5
0.6
3.2
0.5
2.8
0.4
2.7
ns
tsk(o)
Channel-to-channel
0.5
Max data rate
0.5
40
40
0.5
40
0.5
40
ns
Mbps
Switching Characteristics
over recommended operating free-air temperature range, VCCA = 1.8 V ± 0.15 V (unless otherwise noted)
PARAMETER
tpd
TO
(OUTPUT)
A
B
ten
OE
tdis
OE
VCCB = 1.8 V
± 0.15 V
VCCB = 2.5 V
± 0.2 V
VCCB = 3.3 V
± 0.3 V
VCCB = 5 V
± 0.5 V
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
B
1.6
11
1.4
7.7
1.3
6.8
1.2
6.5
A
1.5
12
1.3
8.4
1
7.6
0.9
7.1
A
1
1
1
1
B
1
1
1
1
A
5.9
31
5.1
21.3
5
19.3
5
17.4
B
5.4
30.3
4.4
20.8
4.2
17.9
4.3
16.3
ns
µs
ns
trA
A port rise times
1
4.2
1.1
4.1
1.1
4.1
1.1
4.1
ns
tfA
A port fall times
1
4.2
1.1
4.1
1.1
4.1
1.1
4.1
ns
trB
B port rise times
0.9
4.5
0.6
3.2
0.5
2.8
0.4
2.7
ns
tfB
B port fall times
0.9
4.5
0.6
3.2
0.5
2.8
0.4
2.7
ns
tsk(o)
Channel-to-channel
0.5
ns
Max data rate
6
FROM
(INPUT)
0.5
60
Submit Documentation Feedback
0.5
60
0.5
60
60
Mbps
TXB0102
2-BIT BIDIRECTIONAL VOLTAGE-LEVEL TRANSLATOR
WITH AUTO DIRECTION SENSING AND ±15-kV ESD PROTECTION
www.ti.com
SCES641 – MAY 2007
Switching Characteristics
over recommended operating free-air temperature range, VCCA = 2.5 V ± 0.2 V (unless otherwise noted)
PARAMETER
tpd
FROM
(INPUT)
TO
(OUTPUT)
A
B
ten
OE
tdis
OE
trA
VCCB = 2.5 V
± 0.2 V
VCCB = 3.3 V
± 0.3 V
MIN
MAX
B
1.1
A
1.2
VCCB = 5 V
± 0.5 V
UNIT
MIN
MAX
MIN
MAX
6.3
1
5.2
0.9
4.7
6.6
1.1
5.1
0.9
4.4
A
1
1
1
B
1
1
1
ns
µs
A
5.1
21.3
4.6
15.2
4.6
13.2
B
4.4
20.8
3.8
16
3.9
13.9
A port rise times
0.8
3
0.8
3
0.8
3
ns
ns
tfA
A port fall times
0.8
3
0.8
3
0.8
3
ns
trB
B port rise times
0.7
3
0.5
2.8
0.4
2.7
ns
tfB
B port fall times
0.7
3
0.5
2.8
0.4
2.7
ns
tsk(o)
Channel-to-channel
0.5
Max data rate
0.5
100
0.5
100
100
ns
Mbps
Switching Characteristics
over recommended operating free-air temperature range, VCCA = 3.3 V ± 0.3 V (unless otherwise noted)
PARAMETER
tpd
FROM
(INPUT)
TO
(OUTPUT)
A
B
ten
OE
tdis
OE
VCCB = 3.3 V
± 0.3 V
VCCB = 5 V
± 0.5 V
UNIT
MIN
MAX
MIN
MAX
B
0.9
4.7
0.8
4
A
1
4.9
0.9
4.5
A
1
1
B
1
1
A
4.6
15.2
4.3
12.1
B
3.8
16
3.4
13.2
ns
µs
ns
trA
A port rise times
0.7
2.5
0.7
2.5
ns
tfA
A port fall times
0.7
2.5
0.7
2.5
ns
trB
B port rise times
0.5
2.3
0.4
2.7
ns
tfB
B port fall times
0.5
2.3
0.4
2.7
ns
tsk(o)
Channel-to-channel
0.5
ns
Max data rate
0.5
100
Submit Documentation Feedback
100
Mbps
7
TXB0102
2-BIT BIDIRECTIONAL VOLTAGE-LEVEL TRANSLATOR
WITH AUTO DIRECTION SENSING AND ±15-kV ESD PROTECTION
www.ti.com
SCES641 – MAY 2007
Operating Characteristics
TA = 25°C
VCCA
1.2 V
1.2 V
1.5 V
1.8 V
2.5 V
2.5 V
3.3 V
2.5 V
5V
3.3 V
to
5V
VCCB
PARAMETER
TEST CONDITIONS
5V
CpdA
CpdB
CpdA
CpdB
8
A port input, B port output
B port input, A port output
A port input, B port output
B port input, A port output
A port input, B port output
B port input, A port output
A port input, B port output
B port input, A port output
CL = 0, f = 10 MHz,
tr = tf = 1 ns,
OE = VCCA
(outputs enabled)
CL = 0, f = 10 MHz,
tr = tf = 1 ns,
OE = GND
(outputs disabled)
1.8 V
1.8 V
1.8 V
UNIT
TYP
TYP
TYP
TYP
TYP
TYP
7.8
8
8
7
7
8
TYP
8
12
11
11
11
11
11
11
38.1
29
29
29
29
30
30
25.4
19
18
18
18
21
21
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.02
0.01
0.01
0.01
0.01
0.01
0.02
0.03
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pF
pF
TXB0102
2-BIT BIDIRECTIONAL VOLTAGE-LEVEL TRANSLATOR
WITH AUTO DIRECTION SENSING AND ±15-kV ESD PROTECTION
www.ti.com
SCES641 – MAY 2007
PRINCIPLES OF OPERATION
Applications
The TXB0102 can be used in level-translation applications for interfacing devices or systems operating at
different interface voltages with one another.
Architecture
The TXB0102 architecture (see Figure 1) does not require a direction-control signal to control the direction of
data flow from A to B or from B to A. In a dc state, the output drivers of the TXB0101 can maintain a high or low,
but are designed to be weak, so that they can be overdriven by an external driver when data on the bus starts
flowing the opposite direction.
The output one shots detect rising or falling edges on the A or B ports. During a rising edge, the one shot turns
on the PMOS transistors (T1, T3) for a short duration, which speeds up the low-to-high transition. Similarly,
during a falling edge, the one shot turns on the NMOS transistors (T2, T4) for a short duration, which speeds up
the high-to-low transition. The typical output impedance during output transition is 70 Ω at VCCO = 1.2 V to 1.8 V,
50 Ω at VCCO = 1.8 V to 3.3 V, and 40 Ω at VCCO = 3.3 V to 5 V.
VCCA
VCCB
One
Shot
T1
4k
One
Shot
T2
A
B
One
Shot
T3
4k
T4
One
Shot
Figure 1. Architecture of TXB0102 I/O Cell
Input Driver Requirements
Typical IIN vs VIN characteristics of the TXB0102 are shown in Figure 2. For proper operation, the device driving
the data I/Os of the TXB0102 must have drive strength of at least ±2 mA.
Submit Documentation Feedback
9
TXB0102
2-BIT BIDIRECTIONAL VOLTAGE-LEVEL TRANSLATOR
WITH AUTO DIRECTION SENSING AND ±15-kV ESD PROTECTION
www.ti.com
SCES641 – MAY 2007
PRINCIPLES OF OPERATION (continued)
IIN
VT/4 kΩ
VIN
–(VD – VT)/4 kΩ
A. VT is the input threshold voltage of the TXB0102 (typically VCCI/2.
B. VD is the supply voltage of the external driver.
Figure 2. Typical IIN vs VIN Curve
Power Up
During operation, ensure that VCCA ≤ VCCB at all times. During power-up sequencing, VCCA ≥ VCCB does not
damage the device, so any power supply can be ramped up first. The TXB0102 has circuitry that disables all
output ports when either VCC is switched off (VCCA/B = 0 V).
Enable and Disable
The TXB0102 has an OE input that is used to disable the device by setting OE = low, which places all I/Os in
the high-impedance (Hi-Z) state. The disable time (tdis) indicates the delay between when OE goes low and
when the outputs acutally get disabled (Hi-Z). The enable time (ten) indicates the amount of time the user must
allow for the one-shot circuitry to become operational after OE is taken high.
Pullup or Pulldown Resistors on I/O Lines
The TXB0102 is designed to drive capacitive loads of up to 70 pF. The output drivers of the TXB0102 have low
dc drive strength. If pullup or pulldown resistors are connected externally to the data I/Os, their values must be
kept higher than 50 kΩ to ensure that they do not contend with the output drivers of the TXB0102.
For the same reason, the TXB0102 should not be used in applications such as I2C or 1-Wire where an
open-drain driver is connected on the bidirectional data I/O. For these applications, use a device from the TI
TXS01xx series of level translators.
10
Submit Documentation Feedback
TXB0102
2-BIT BIDIRECTIONAL VOLTAGE-LEVEL TRANSLATOR
WITH AUTO DIRECTION SENSING AND ±15-kV ESD PROTECTION
www.ti.com
SCES641 – MAY 2007
PARAMETER MEASUREMENT INFORMATION
2 × VCCO
From Output
Under Test
50 kW
From Output
Under Test
15 pF
1 MW
Open
50 kW
15 pF
TEST
tPZL/tPLZ
tPHZ/tPZH
LOAD CIRCUIT FOR
ENABLE/DISABLE
TIME MEASUREMENT
LOAD CIRCUIT FOR MAX DATA RATE,
PULSE DURATION PROPAGATION
DELAY OUTPUT RISE AND FALL TIME
MEASUREMENT
S1
S1
2 × VCCO
Open
VCCI
Input
VCCI/2
VCCI/2
0V
tPLH
tPHL
tw
Output
VCCO/2
0.9 y VCCO
0.1 y VCCO
VOH
tf
tr
VCCI
VCCO/2
VOL
Input
VCCI/2
0V
VOLTAGE WAVEFORMS
PULSE DURATION
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
A.
B.
C.
D.
E.
F.
G.
VCCI/2
CL includes probe and jig capacitance.
All input pulses are supplied by generators having the following characteristics: PRRv10 MHz, ZO = 50 Ω, dv/dt ≥ 1 V/ns.
The outputs are measured one at a time, with one transition per measurement.
tPLH and tPHL are the same as tpd.
VCCI is the VCC associated with the input port.
VCCO is the VCC associated with the output port.
All parameters and waveforms are not applicable to all devices.
Figure 3. Load Circuits and Voltage Waveforms
Submit Documentation Feedback
11
PACKAGE OPTION ADDENDUM
www.ti.com
25-Sep-2007
PACKAGING INFORMATION
Orderable Device
Status (1)
Package
Type
Package
Drawing
Pins Package Eco Plan (2)
Qty
TXB0102DCUR
ACTIVE
US8
DCU
8
3000 Green (RoHS &
no Sb/Br)
CU NIPDAU
Level-1-260C-UNLIM
TXB0102DCURG4
ACTIVE
US8
DCU
8
3000 Green (RoHS &
no Sb/Br)
CU NIPDAU
Level-1-260C-UNLIM
TXB0102DCUT
ACTIVE
US8
DCU
8
250
Green (RoHS &
no Sb/Br)
CU NIPDAU
Level-1-260C-UNLIM
TXB0102DCUTG4
ACTIVE
US8
DCU
8
250
Green (RoHS &
no Sb/Br)
CU NIPDAU
Level-1-260C-UNLIM
TXB0102YZPR
ACTIVE
WCSP
YZP
8
3000 Green (RoHS &
no Sb/Br)
SNAGCU
Level-1-260C-UNLIM
Lead/Ball Finish
MSL Peak Temp (3)
(1)
The marketing status values are defined as follows:
ACTIVE: Product device recommended for new designs.
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in
a new design.
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.
OBSOLETE: TI has discontinued the production of the device.
(2)
Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check
http://www.ti.com/productcontent for the latest availability information and additional product content details.
TBD: The Pb-Free/Green conversion plan has not been defined.
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements
for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered
at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.
Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and
package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS
compatible) as defined above.
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame
retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)
(3)
MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder
temperature.
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is
provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the
accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take
reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on
incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited
information may not be available for release.
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI
to Customer on an annual basis.
Addendum-Page 1
PACKAGE MATERIALS INFORMATION
www.ti.com
24-Sep-2007
TAPE AND REEL BOX INFORMATION
Device
TXB0102YZPR
Package Pins
YZP
8
Site
Reel
Diameter
(mm)
Reel
Width
(mm)
A0 (mm)
B0 (mm)
K0 (mm)
P1
(mm)
SITE 12
180
8
1.1
2.1
0.56
4
Pack Materials-Page 1
W
Pin1
(mm) Quadrant
8
Q1
PACKAGE MATERIALS INFORMATION
www.ti.com
24-Sep-2007
Device
Package
Pins
Site
Length (mm)
Width (mm)
Height (mm)
TXB0102YZPR
YZP
8
SITE 12
220.0
220.0
0.0
Pack Materials-Page 2
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