TC7MPB9326,9327FT/FK
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC7MPB9326FT, TC7MPB9326FK
TC7MPB9327FT, TC7MPB9327FK
Low Voltage / Low Power Dual SPDT Supply Bus Switch
The TC7MPB9326 and TC7MPB9327 are CMOS dual
multiplexer/demultiplexer bus switches that can provide an interface
between two nodes at different voltage levels. These devices can be
connected to two independent power supplies. VCCA supports 1.8 V,
2.5 V and 3.3 V power supplies, whereas VCCB supports 2.5 V, 3.3 V
and 5.0 V power supplies.
Bidirectional level-shifting is possible by simply adding external
pull-up resistors between the A/Bn data lines and the VCCA / VCCB
supplies. There is no restriction on the relative magnitude of the A
and Bn voltages; both the 1A/2A and 1B1/1B2 ,2B1/2B2 data lines
can be pulled up to the arbitrary power supplies.
The Output Enable pin (OE) can be used to disable the device so
that the bus lines are effectively isolated.
This device consists of dual individual two-inputs
multiplexer/demultiplexer with a common select input (S) and an
output enable (OE:TC7MPB9326, OE :TC7MPB9327). The 1A/2A
inputs are connected to 1B1/1B2 and 2B1/2B2 outputs based on the
combination of select input and output enable.
For TC7MPB9326, it has an active high Output Enable (OE) :
When OE is High, the switch is on; when Low, the switch is turned
off. For the TC7MPB9327, it has an active low Output Enable ( OE ) :
When OE is Low, the switch is turned on; when OE is High, the
switch is off.
The TC7MPB9326 and TC7MPB9327 supports power-down
protection at the OE , OE input, with OE , OE being 5.5 V tolerant.
The channels consist of n-type MOSFETs.
All the inputs provide protection against electrostatic discharge.
TC7MPB9326FT,TC7MPB9327FT
TC7MPB9326FK,TC7MPB9327FK
Weight
TSSOP14-P-0044-0.65A
VSSOP14-P-0030-0.50
: 0.06 g (typ.)
: 0.02 g (typ.)
Features
•
Operating voltage:1.8 V to 2.5 V, 1.8 V to 3.3 V, 1.8 V to 5.0 V, 2.5 V to 3.3 V, 2.5 V to 5.0 V or 3.3 V to 5.0 V
bidirectional interface
•
Operating voltage: VCCA = 1.65 to 5.0 V, VCCB = 2.3 to 5.5 V
•
Low ON-resistance: RON = 5.0 Ω (typ.)@ VIS = 0 V, IIS = 30 mA, VCCA= 3.0 V , VCCB = 4.5 V
•
ESD performance: Machine model ≥ ±200 V
Human body model ≥ ±2000 V
•
5.5 V tolerance and power-down protection at the Output Enable input.
•
Packages: TSSOP14, VSSOP14(US14)
Start of commercial production
2009-09
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Pin Assignment (top view)
TSSOP14, US14
TC7MPB9326FT/FK
TC7MPB9327FT/FK
VCCA
1
14
VCCB
VCCA
1
14
VCCB
1A
2
13
1B1
1A
2
13
1B1
N.C
3
12
1B2
N.C
3
12
1B2
2A
4
11
2B1
2A
4
11
2B1
N.C
5
10
2B2
N.C
5
10
2B2
S
6
9
N.C
S
6
9
N.C
GND
7
8
OE
GND
7
8
OE
Truth Table
Inputs(9326)
Inputs(9327)
Function
OE
S
H
L
H
L
Function
OE
S
A = B1
L
L
A = B1
H
A = B2
L
H
A = B2
X
Disconnect
H
X
Disconnect
X : Don’t care
Circuit Schematic
TC7MPB9326
TC7MPB9327
VCCB
VCCA
Gate
level
converter
S
OE
1A
VCCB
VCCA
Gate
level
converter
S
OE
1A
1B1
1B2
2A
1B1
1B2
2A
2B1
2B2
2B1
2B2
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Absolute Maximum Ratings (Note)
Characteristics
Symbol
Rating
VCCA
-0.5 to 7.0
VCCB
-0.5 to 7.0
Control input voltage
VIN
-0.5 to 7.0
V
Switch input/output voltage
VS
-0.5 to 7.0
V
Clamp diode current
IIK
-50
mA
Switch input/output current
IS
64
mA
ICCA
±25
ICCB
±25
Power dissipation
PD
180
mW
Storage temperature
Tstg
-65 to 150
°C
Power supply voltage
DC VCC/ground current per supply pin
Unit
V
mA
Note: Exceeding any of the absolute maximum ratings, even briefly, lead to deterioration in IC performance or even
destruction.
Using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the
significant change in temperature, etc.) may cause this product to decrease in the reliability significantly even
if the operating conditions (i.e. operating temperature/current/voltage, etc.) are within the absolute maximum
ratings and the operating ranges.
Please design the appropriate reliability upon reviewing the Toshiba Semiconductor Reliability Handbook
(“Handling Precautions”/“Derating Concept and Methods”) and individual reliability data (i.e. reliability test
report and estimated failure rate, etc).
Operating Ranges (Note)
Characteristics
Symbol
Rating
VCCA
1.65 to 5.0
VCCB
2.3 to 5.5
Control input voltage
VIN
0 to 5.5
V
Switch input/output voltage
VS
0 to 5.5
V
Operating temperature
Topr
-40 to 85
°C
Control input rise and fall times
dt/dv
0 to 10
ns/V
Power supply voltage
Note:
(Note 1)
Unit
V
The operating ranges must be maintained to ensure the normal operation of the device.
Unused inputs must be tied to either VCCA or GND.
Note 1: The VCCA voltage must be lower than the VCCB voltage.
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Application Circuit
VCCA
VCCB
VCCA
Rpu
VCCB
Rpu
Rpu
Rpu
Rpu
Rpu
1B1
1A
VCCA
VCCB
1B2
System
System
2B1
2A
2B2
GND
OE,OE
S
TC7MPB9326
1A to1B1, 1B2, 2A to2B1, 2B2 can be
OE ON
used for bidirectional signal transmission.
TC7MPB9327
OE OFF
OFF
(Ex.)S=”L” level (OE=H)
1A
ON
(Ex.)S=”H” level (OE=L)
1B1
1A
1B2
2A
2B1
2B2
1B1
1B2
2A
2B1
2B2
Figure 1 Application Circuit Diagram
The VCCA voltage must be lower than the VCCB voltage.
Level-shifting functionality is enabled by adding pull-up resistors from A to VCCA or VCCB and from Bn to VCCB
or VCCA, respectively.
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Electrical Characteristics
DC Characteristics (Ta = -40 to 85°C)
Characteristics
Symbol
VCCA (V)
VCCB (V)
Min
Max
1.65 ≤ VCCA < 2.3
VCCA to 5.5
0.8×
VCCA
―
input
voltage
2.3 ≤ VCCA < 5.0
VCCA to 5.5
0.7×
VCCA
―
(OE/ OE , S)
1.65 ≤ VCCA < 2.3
VCCA to 5.5
―
0.2×
VCCA
2.3 ≤ VCCA < 5.0
VCCA to 5.5
―
0.3×
VCCA
1.65
2.3
―
16.0
2.3
3.0
―
11.0
3.0
4.5
―
8.0
0
0
―
±1.0
μA
1.65 to 5.0
VCCA to 5.5
―
±1.0
μA
High-level
―
VIH
Low-level
RON
VIS = 0 V, IIS = 30 mA
(Figure 2)
Unit
V
―
VIL
ON-resistance
(Note 1)
Test Condition
Ω
Power off leakage
current
IOFF
Switch-off leakage
current
ISZ
Control input current
IIN
OE, OE , S = 0 to 5.5 V
1.65 to 5.0
VCCA to 5.5
―
±1.0
μA
ICCBA
OE, OE = GND or VCCA
VCCB →VCCA
3.3
5.0
―
20.0
μA
ICCA1
OE, OE = VCCA or GND, IS = 0 A
1.65 to 5.0
VCCA
―
4.0
ICCB1
OE, OE = VCCA or GND, IS = 0 A
1.65 to 5.0
VCCA
―
4.0
ICCA2
VCCA ≤ OE, OE ≤ 5.5 V, IS = 0 A
1.65 to 5.0
VCCA
―
±4.0
ICCB2
VCCA ≤ OE, OE ≤ 5.5 V, IS = 0 A
1.65 to 5.0
VCCA
―
±4.0
1A, 2A, 1Bn, 2Bn = 0 to 5.5 V
leakage current
from VCCB to VCCA
Quiescent supply
current
Note 1:
1A, 2A, 1Bn, 2Bn = 0 to 5.5 V
(per circuit)
OE = VCCA, OE = GND
μA
ON-resistance is measured by measuring the voltage drop across the switch at the indicated current.
Level Shift Characteristics (Ta = -40 to 85°C)
Characteristics
Symbol
Input/Output Characteristics
VOHU
(Up Translation)
(Note 1)
Input/Output Characteristics
VOHD
(Down Translation)
(Note 2)
Test Condition
VCCA (V)
VCCB (V)
Min
Max
1A, 2A = VIN
1.65
3.0 to 5.5
1.4
―
SW = ON
2.3
4.5 to 5.5
2.05
―
(Figure 7)
3.0
4.5 to 5.5
2.7
―
1A, 2A = VIN
1.65
3.3 to 5.5
1.3
1.65
SW = ON
2.3
4.5 to 5.5
1.95
2.3
(Figure 9)
3.0
4.5 to 5.5
2.6
3.0
Unit
V
Note 1: The Input/Output Characteristics for up translation indicate the input voltages required to provide
VCCA + 0.5 V on the outputs when measured using the test circuitry shown in Figure 7.
Note 2: The Input/Output Characteristics for down translation indicate the voltages that cause the output voltages to
saturate when measured using the test circuitry shown in Figure 9.
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AC Characteristics (Ta = -40 to 85°C, Input: tr = tf = 2.0 ns, f = 10 kHz)
VCCA= 3.3 ± 0.3 V, VCCB= 5.0 ± 0.5 V
Characteristics
Symbol
Test Condition
Propagation delay time
Min
Max
tpLH
Figure 3, Figure 5
(Note 1)
―
0.3
tpHL
Figure 3, Figure 5
(Note 1)
―
1.2
Output enable time
tpZL
Figure 4, Figure 6
―
9.0
Output disable time
tpLZ
Figure 4, Figure 6
―
11.0
(Bus to Bus)
Propagation delay time
(Bus to Bus)
Unit
ns
Note 1: This parameter is guaranteed by design but is not tested. The bus switch contributes no propagation delay
other than the RC delay of the typical On resistance of the switch and the 30 pF load capacitance, when
driven by an ideal voltage the source (zero output impedance).
VCCA= 2.5 ± 0.2 V, VCCB= 5.0 ± 0.5 V
Characteristics
Symbol
Test Condition
Propagation delay time
Min
Max
tpLH
Figure 3, Figure 5
(Note 1)
―
0.35
tpHL
Figure 3, Figure 5
(Note 1)
―
1.8
Output enable time
tpZL
Figure 4, Figure 6
―
13.0
Output disable time
tpLZ
Figure 4, Figure 6
―
15.0
(Bus to Bus)
Propagation delay time
(Bus to Bus)
Unit
ns
Note 1: This parameter is guaranteed by design but is not tested. The bus switch contributes no propagation delay
other than the RC delay of the typical On resistance of the switch and the 30 pF load capacitance, when
driven by an ideal voltage the source (zero output impedance).
VCCA = 2.5 ± 0.2 V, VCCB= 3.3 ± 0.3 V
Characteristics
Symbol
Test Condition
Propagation delay time
Min
Max
tpLH
Figure 3, Figure 5
(Note 1)
―
0.45
tpHL
Figure 3, Figure 5
(Note 1)
―
2.2
Output enable time
tpZL
Figure 4, Figure 6
―
17.0
Output disable time
tpLZ
Figure 4, Figure 6
―
19.0
(Bus to Bus)
Propagation delay time
(Bus to Bus)
Unit
ns
Note 1: This parameter is guaranteed by design but is not tested. The bus switch contributes no propagation delay
other than the RC delay of the typical On resistance of the switch and the 30 pF load capacitance, when
driven by an ideal voltage the source (zero output impedance).
Capacitive Characteristics (Ta = 25°C)
Characteristics
Control input capacitance (OE/ OE , S)
Symbol
Typ.
VCCA (V)
VCCB (V)
3.3
3.3
3
SW = ON (A,B)
3.3
3.3
14
SW = OFF (A)
3.3
3.3
7
SW = OFF (B)
3.3
3.3
7
CIN
(1A, 2A)
Switch input/output
capacitance
Test Condition
Unit
pF
(1A, 2A)
(1B1, 1B2, 2B1, 2B2)
CI/O
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DC Test Circuit
VCCA
VCCB
VCCA
VCCB
1B1(2B1)
1A(2A) 1B1(1B2)
IIS
ΔV
1B2(2B2)
2B1(2B2)
GND
OE,OE
S
Ron =
ΔV
IIS
OE:H,OE:L
9326:L,9327:H
S:
L
Figure 2 ON-resistance Test Circuits
AC Test Circuits
・tpLH, HL
VCCA
VCCA
VCCB
VCCA
VCCB
VCCA
VCCB
VCCB
RL=1kΩ
RL=1kΩ
Measure
CL=30pF
1A(2A) 1B1(2B1)
1A(1B)
1A(1B)
1A(2A) 1B1(2B1)
Input
Input
1B2(2B2)
1B2(2B2)
GND
OE,OE
GND
OE:H,OE:L
S
S: L
9326:L,9327:H
S
OE,OE
Measure
CL=30pF
OE:H,OE:L
S: L
9326:L,9327:H
Figure 3 tpLH, tpHL Test Circuits
・tpLZ, ZL
VCCA
VCCB
VCCA
VCCA
VCCB
VCCA
VCCB
VCCB
RL=1kΩ
RL=1kΩ
Measure
CL=30pF
1A(2A) 1B1(2B1)
1B1(1B2)
1A(2A) 1B1(2B1)
1B1(1B2)
2B1(2B2)
1B2(2B2)
2B1(2B2)
1B2(2B2)
GND
OE,OE
S
Input
9326:L
S: L
9327:H
GND
Measure
CL=30pF
OE,OE
S
Input
9326:L
S:
L
9327:H
Figure 4 tpLZ, tpZL Test Circuits
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AC Waveform
tf 2.0 ns
tr 2.0 ns
VCCA
90%
50%
Input
(1A, 2A)
10%
GND
VOH
Output
(1Bn, 2Bn)
1/2 VCCA
VOL
tpHL
tpLH
Figure 5 tpLH, tpHL
tf 2.0 ns
tr 2.0 ns
Output Enable
Control OE, OE
VCCA
90%
50%
10%
GND
tpLZ
tpZL
VOH
Output (1A,2A or
1Bn,2Bn)
Low to off to Low
50%
10%
Outputs
enabled
Outputs
disabled
Outputs
enabled
Figure 6 tpLZ, tpZL
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Level Shift Function (Used Pull-up Resistance)
VCCA
VCCB
VCCA
VCCB
RL=1kΩ
1A(2A)
1A(A2) 1B1(2B1)
VIN
VOH
1B2(2B2)
VM
GND
OE,OE
S
OE:H,OE:L
S:
L
9326:L,9327:H
Figure 7 Test Circuit
VCCA=1.8V , Ta=25℃
6.0
VCCB=5.5V
VCCB=5.5V
5.0
4.0
3.0
VCCB=3.0V
VCCB=2.3V
VOH (V)
5.0
VOH (V)
VCCA=2.3V , Ta=25℃
6.0
4.0
VCCB=3.3V
3.0
2.0
2.0
1.0
1.0
0.0
0.0
0
1
2
3
VIN (V)
4
5
6
0
1
2
3
VIN (V)
4
5
6
VCCA=3.0V , Ta=25℃
6.0
VCCB=5.5V
5.0
VOH (V)
VCCB=4.5V
4.0
3.0
2.0
1.0
0.0
0
1
2
3
VIN (V)
4
5
6
Figure 8 Input/Output Characteristics (Typ.)
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Level Shift Function (Unused Pull-up Resistance)
VCCA
VCCB
VCCA
VCCB
1A(2A) 1B1(2B1)
1A(2A) 1B1(2B1)
1B2(2B2)
1B2(2B2)
VIN
GND
VOH
VM
OE:H
OE:L
S: L
9326:L
9327:H
OE,OE
S
Figure 9
Test Circuit
VCCA=1.8V , Ta=25℃
3.0
1µA
VCCA=2.3V , Ta=25℃
3.0
2.5
2.5
2.0
2.0
VCCB=5.5V
VCCB=3.0V
1.5
VCCB=2.3V
VOH (V)
VOH (V)
VCCB=5.5V
VCCB=3.3V
1.5
1.0
1.0
0.5
0.5
0.0
0.0
0
1
2
3
VIN (V)
4
5
VCCA=3.0V , Ta=25℃
3.0
0
6
1
2
3
VIN (V)
4
5
6
VCCB=5.5V
VCCB=4.5V
VOH (V)
2.5
2.0
1.5
1.0
0.5
0.0
0
1
2
3
VIN (V)
4
Figure 10
5
6
Input/Output Characteristics (Typ.)
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Package Dimensions
Weight: 0.06 g (typ.)
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Package Dimensions
Weight: 0.02 g (typ.)
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RESTRICTIONS ON PRODUCT USE
• Toshiba Corporation, and its subsidiaries and affiliates (collectively "TOSHIBA"), reserve the right to make changes to the information
in this document, and related hardware, software and systems (collectively "Product") without notice.
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TOSHIBA's written permission, reproduction is permissible only if reproduction is without alteration/omission.
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responsible for complying with safety standards and for providing adequate designs and safeguards for their hardware, software and
systems which minimize risk and avoid situations in which a malfunction or failure of Product could cause loss of human life, bodily
injury or damage to property, including data loss or corruption. Before customers use the Product, create designs including the
Product, or incorporate the Product into their own applications, customers must also refer to and comply with (a) the latest versions of
all relevant TOSHIBA information, including without limitation, this document, the specifications, the data sheets and application notes
for Product and the precautions and conditions set forth in the "TOSHIBA Semiconductor Reliability Handbook" and (b) the
instructions for the application with which the Product will be used with or for. Customers are solely responsible for all aspects of their
own product design or applications, including but not limited to (a) determining the appropriateness of the use of this Product in such
design or applications; (b) evaluating and determining the applicability of any information contained in this document, or in charts,
diagrams, programs, algorithms, sample application circuits, or any other referenced documents; and (c) validating all operating
parameters for such designs and applications. TOSHIBA ASSUMES NO LIABILITY FOR CUSTOMERS' PRODUCT DESIGN OR
APPLICATIONS.
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