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TC7WPB306,307FC/FK
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC7WPB306FC,TC7WPB306FK TC7WPB307FC,TC7WPB307FK
Low Voltage/Low Power 2-Bit Dual Supply Bus Switch
The TC7WPB306 and TC7WPB307 are high-speed CMOS two-bit bus switches with low ON-resistance that allow interfacing between different voltage nodes. These devices have two separate power supplies, VL for a 1.8-V, 2.5-V or 3.3-V bus and VH for a 2.5-V, 3.3-V or 5.0-V bus. For bidirectional level-shifting, the VH pin is connected to a high-voltage power supply through a bias resistor, and pull-up resistors are connected between the high-voltage power supply and the switch. The enable signal can be used to disable the device so that the buses are effectively isolated. For the TC7WPB306, Output Enable (OE) is active-High: When OE is High, the switch is on; when Low, the switch is off. For the TC7WPB307, Output Enable ( OE ) is active-Low: When OE is Low, the switch is on; when High, the switch is off. The TC7WP306 and TC7WP307 support power-down protection by incorporating 5.5-V-tolerant control inputs. The bus switch channels are fabricated with NMOS technology. All inputs are equipped with protection circuits against static discharge or transient excess voltage.
TC7WPB306FC, TC7WPB307FC
TC7WPB306FK, TC7WPB307FK
Weight CSON8-P-0.4 SSOP8-P-0.50A
: 0.002 g (typ.) : 0.01 g (typ.)
Features
* * * * * * * Operating voltage: 1.8-V to 2.5-V, 1.8-V to 3.6-V, 1.8-V to 5.5-V, 2.3-V to 3.6-V, 2.3-V to 5.5-V or 3.0-V to 5.5-V bidirectional interface Operating voltage: VL = 1.65 to 5.0 V, VH = VL + 0.5 to 5.5 V High-speed operation: tpd = 0.12ns(max) (VL = 3.0 V, VH = 4.5 V) Low ON-resistance: RON = 3.0 (typ.) (ON-resistance test circuit: VIS = 0 V, IIS = 30 mA, VH = 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: CSON8 (CST8), SSOP8 (US8)
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Pin Assignment (top view), Marking
TC7WPB306FC
VH 8 B1 7 B2 6 OE 5 VH 8 B1 7 B2 6 OE 5
TC7WPB306FK
VH 8 B1 7 B2 6 OE 5
Top view
1 VL 2 A1 3 4 A2 GND 1 VL
P306
2 A1 3 4 A2 GND 1 VL
WPB 306
2 A1 3 4 A2 GND
TC7WPB307FC
VH 8 B1 7 B2 6 OE 5 VH 8 B1 7 B2 6 OE 5
TC7WPB307FK
VH 8 B1 7 B2 6 OE 5
Top view
1 VL 2 A1 3 4 A2 GND 1 VL
P307
2 A1 3 4 A2 GND 1 VL
WPB 307
2 A1 3 4 A2 GND
Truth Table
Input (306) OE H L An = Bn Disconnected Function Input (307) Function Disconnected An = Bn
OE
H L
Circuit Schematic
TC7WPB306 VL VH TC7WPB307 VL VH
OE
Gate level converter A1 A2 B1 B2
OE
Gate level converter A1 A2 B1 B2
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Absolute Maximum Ratings (Note)
Characteristics Power supply voltage Control input voltage (OE (306)/ OE (307)) Switch input/output voltage Clump diode current Switch input/output current DC VCC/ground current per supply pin Power dissipation Storage temperature Symbol VL VH VIN VS IIK IS IVL IVH PD Tstg Rating -0.5 to 7.0 -0.5 to 7.0 -0.5 to 7.0 -0.5 to 7.0 -50 128 25 25 150 (CSON8) 200 (SSOP8) -65 to 150 Unit V
V V mA mA mA mW C
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 1)
Characteristics Power supply voltage (Note 2) Control input voltage Switch input/output voltage Operating temperature Control input rise and fall times Symbol VL VH VIN VS Topr dt/dv Rating 1.65 to 5.0 2.3 to 5.5 0 to 5.5 0 to 5.5 -40 to 85 0 to 10 Unit V V V C ns/V
Note 1: The operating ranges must be maintained to ensure the normal operation of the device. Note 2: The voltage difference between the VL and the VH must be 0.5 V or greater. (VL < VH)
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Application Circuit
VCCB
100 k
VCCA TC7WPB306 TC7WPB307
Rpu Rpu VL A1 A2 GND VH B1 B2 OE, OE
Rpu
Rpu
C
VCCA System
VCCB System
TC7WPB306 ON OFF An and Bn can be used for bidirectional signal transmission. TC7WPB307 OFF ON
Figure 1
Application Circuit Diagram
The voltage difference between the (low-voltage) VCCA system and the (high-voltage) VCCB system must be 0.5 V or greater. (VCCA < VCCB) For level-shifting between the VCCA and VCCB systems, connect a bias resistor between the VH pin and the VCCB system, and also connect pull-up resistors to An and Bn pins.
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Electrical Characteristics
DC Characteristics (Ta = -40 to 85C)
Characteristics Symbol Test Condition VL (V) 1.65 VL < 2.3 High-level Control input voltage Low-level VIL OE (306), OE (307) 2.3 VL 5.0
VH (V) (VL + 0.5) to 5.5 (VL + 0.5) to 5.5 (VL + 0.5) to 5.5 (VL + 0.5) to 5.5 2.3 3.0 4.5 0 (VL + 0.5) to 5.5 (VL + 0.5) to 5.5 VL VL VL VL
Ta =-40 to 85C Min 0.8 x VL 0.7 x VL

Max

Unit
VIH
OE (306), OE (307) 2.3 VL 5.0 1.65 VL < 2.3
0.2 x VL 0.3 x VL 9.5 7.0 5.5
1.0 1.0 1.0
V
ON-resistance
(Note)
RON
VIS = 0 V, IIS = 30 mA (Figure 2) An,Bn=0 ~ 5.5V An, Bn = 0 to 5.5 V OE = VL, OE = GND

Power off leakage current Switch-off leakage current Control input current
IOFF ISZ IIN IVL1
0
A A A
1.65 to 5.0 1.65 to 5.0 1.65 to 5.0 1.65 to 5.0 1.65 to 5.0 1.65 to 5.0
OE or OE = 0 to 5.5 V
VIN = VL or GND, IS = 0 A VIN = VL or GND, IS = 0 A VL VIN 5.5 V, IS = 0 A VL VIN 5.5 V, IS = 0 A
2.0 2.0
2.0 2.0 A
Quiescent supply current
IVH1 IVL2 IVH2
Note: ON-resistance is measured by measuring the voltage drop across the switch at the indicated current. It depends on the VH voltage.
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AC Characteristics (Ta = -40 to 85C, Input: tr = tf = 2.0 ns, f=10kHz)
VL (VCCA) = 3.3 0.3 V, VCCB = 5.0 0.5 V
Characteristics Propagation delay time (A B) 3-state output enable time (OE or OE B) 3-state output disable time (OE or OE B) Symbol tpLH tpHL tpZL tpLZ Figures 3 and 5 Figures 4 and 6 Figures 4 and 6 Test Condition Min

Max 0.12 6.5 10.5
Unit
ns
VL (VCCA) = 2.5 0.2 V, VCCB = 5.0 0.5 V
Characteristics Propagation delay time (A B) 3-state output enable time (OE or OE B) 3-state output disable time (OE or OE B) Symbol tpLH tpHL tpZL tpLZ Figures 3 and 5 Figures 4 and 6 Figures 4 and 6 Test Condition Min

Max 0.12 8.5 12.0
Unit
ns
VL (VCCA) = 2.5 0.2 V, VCCB = 3.3 0.3 V
Characteristics Propagation delay time (A B) 3-state output enable time (OE or OE B) 3-state output disable time (OE or OE B) Symbol tpLH tpHL tpZL tpLZ Figures 3 and 5 Figures 4 and 6 Figures 4 and 6 Test Condition Min

Max 0.15 9.5 12.0
Unit
ns
Capacitive Characteristics (Ta = 25C)
Characteristics Control input capacitance Switch input/output capacitance Symbol CIN CI/O SW = OFF Test Condition VL (V) 3.3 3.3 VH (V) 3.3 3.3 3 10 pF pF Typ. Unit
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DC Test Circuits
TC7WPB306 100k VL VIS A1 A2 GND V VH IIS B1 B2 OE VIS VH 100k VL A1 A2 GND V VH IIS B1 B2 OE TC7WPB307 VH
Ron =
V IIS
Figure 2
ON-resistance Test Circuits
AC Test Circuits tpLH,HL
VCCB TC7WPB306 VCCA 100k 50pF VL A1 A2 GND VH B1 B2 OE TC7WPB307 VCCA 100k 50pF VL Measure CL Rpu=1k Cpd=30pF A1 A2 GND VH B1 B2 OE CL VCCB
RL
RL
Measure RL=1k CL=30pF
Figure3 tpLH,tpHLTest Circuits tpLZ,ZL
VCCB TC7WPB306 TC7WPB307 VCCA 100k 50pF VL A1 A2 GND VH B1 B2 OE,OE CL
RL
Measure RL=1k CL=30pF
Figure4 tpLZ,tpZLTest Circuits
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AC Waveform
tr 2.0 ns Input (An, Bn) tf 2.0 ns 90% 50% 10% VL/VH GND VOH 1/2VL tpLH tpHL VOL
Output (Bn, An)
Figure5 tpLH,tpHL
tr 2.0 ns Output Enable Control (OE(306) or OE (307)) 90% 50% 10% tpLZ Output (A1,B1) Low to off to Low Outputs enabled tpZL VOH 50% 10% Outputs disabled Outputs enabled tf 2.0 ns VL GND
Figure6 tpLZ,tpZL tpZ Characteristics
7 6 5 tpLZ,tpZL (ratio) 4 3 2 1 0 1E+3 10E+3 f (Hz) 100E+3 1E+6 10E+6 VL=3.3V,VH=5.0V VL=1.8V,VH=2.3V VL=2.5V,VH=3.3V
Figure7 tpLZ,tpZL Frequency Characteristic
This figure shows the ratio of delay time for tpLZ and tpZL at the frequency characteristic of OE or /OE when tpLZ and tpZL at the OE or /OE frequency by 10kHz are assumed to be one.
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Level Shift Function (Used Pull-up Resistance)
VCCB TC7WPB306 VCCA VL VIN A1 A2 GND TC7WPB307 1k VCCA VL VOH V VIN A1 A2 GND VCCB
100k
100k
1k
VH B1 B2 OE
VH B1 B2 OE V VOH
Figure8
Test Circuits
6.0 5.0 VOH (V)
VL=1.8V , Ta=25
VCCB=5.5V
6.0 5.0 VOH (V) 4.0 3.0 2.0 1.0 0.0 0 1 2
VL=2.3V , Ta=25
VCCB=5.5V
4.0 3.0 2.0 1.0 0.0 0 1 2 3 VIN (V) 4 5 6
VCCB=3.0V VCCB=2.3V
VCCB=3.3V
3 VIN (V)
4
5
6
6.0 5.0
VL=3.0V , Ta=25
VCCB=5.5V VCCB=4.5V
VOH (V)
4.0 3.0 2.0 1.0 0.0 0 1 2 3 VIN (V) 4 5 6
Figure9
Input/Output Characteristics (Typ.)
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Level Shift Function (Unused Pull-up Resistance)
VCCB TC7WPB306 VCCA VL VIN A1 A2 GND VH B1 B2 1A OE GND OE V VOH VIN 100k VCCA VL A1 A2 VH B1 B2 TC7WPB307
VCCB 100k
VOH V 1A
Figure 10
Test Circuits
3.0 2.5 VOH (V)
VL=1.8V , Ta=25
3.0 2.5
VL=2.3V , Ta=25
VCCB=5.5V
1.5 1.0 0.5 0.0 0 1 2 3 VIN (V) 4 5
VCCB=5.5V VCCB=3.0V VCCB=2.3V
VOH (V)
2.0
2.0 1.5 1.0 0.5 0.0
VCCB=3.3V
6
0
1
2
3 VIN (V)
4
5
6
3.0 2.5 VOH (V) 2.0 1.5 1.0 0.5 0.0 0 1 2
VL=3.0V , Ta=25
VCCB=5.5V VCCB=4.5V
3 VIN (V)
4
5
6
Figure11 Input/Output Characteristics (Typ.)
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Package Dimensions
Weight: 0.002 g (typ.)
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Package Dimensions
Weight: 0.01 g (typ.)
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RESTRICTIONS ON PRODUCT USE
* The information contained herein is subject to change without notice.
20070701-EN GENERAL
* TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such TOSHIBA products could cause loss of human life, bodily injury or damage to property. In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and conditions set forth in the "Handling Guide for Semiconductor Devices," or "TOSHIBA Semiconductor Reliability Handbook" etc. * The TOSHIBA products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.).These TOSHIBA products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or bodily injury ("Unintended Usage"). Unintended Usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in his document shall be made at the customer's own risk. * The products described in this document shall not be used or embedded to any downstream products of which manufacture, use and/or sale are prohibited under any applicable laws and regulations. * The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by TOSHIBA for any infringements of patents or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any patents or other rights of TOSHIBA or the third parties. * Please contact your sales representative for product-by-product details in this document regarding RoHS compatibility. Please use these products in this document in compliance with all applicable laws and regulations that regulate the inclusion or use of controlled substances. Toshiba assumes no liability for damage or losses occurring as a result of noncompliance with applicable laws and regulations.
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