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TC7MBL3245SFT/FK/FTG
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC7MBL3245SFT, TC7MBL3245SFK, TC7MBL3245SFTG
Low Voltage/Low Capacitance Octal Bus Switch
The TC7MBL3245S provides eight bits of low- voltage, high-speed bus switching in a standard '245 device pinout. The low ON-resistance of the switch allows connections to be made with minimal propagation delay and while maintaining CMOS low power dissipation. The device comprises a single 8-bit switch. When output enable ( OE ) is low, the switch is on and port A is connected to port B. When OE is high, the switch is open and a high-impedance state exists between the two ports. All inputs are equipped with protection circuits to guard against static discharge.
TC7MBL3245SFT
TC7MBL3245SFK
Features
* * * * * * * Operating voltage: VCC = 1.65 to 3.6 V Low capacitance: CI/O = 12 pF Switch On (typ.) @3 V Low on resistance: RON = 9 (typ.) @3 V ESD performance: Machine model 200 V Human body model 2000 V Power down protection for inputs ( OE input only) Package: TSSOP20,VSSOP (US20) , VQON20 Pin compatible with the 74xx245 type Note: When mounting VQON package, the type of recommended flux is RA or RMA.
VQON20-P-0404-0.50
TC7MBL3245CFTG
Pin Assignment (top view)
FT (TSSOP20-P-0044-0.65A) FK (VSSOP20-P-0030-0.50) NC A1 A2 A3 A4 A5 A6 A7 A8 1 2 3 4 5 6 7 8 9
20 VCC
Weight TSSOP20-P-0044-0.65A VSSOP20-P-0030-0.50 VQON20-P-0404-0.50
FTG (VQON20-P-0404-0.50) A2 20 A1 19 NC 18 VCC OE 17 16
: 0.08 g (typ.) : 0.03 g (typ.) : 0.0145g (typ.)
19 18 17 16 15 14 13 12 11
OE B1 B2 B3 B4 B5 B6 B7 B8 A3 A4 A5 A6 A7 1 2 3 4 5
15 14 13 12 11
B1 B2 B3 B4 B5
GND 10
(top view) NC-No Internal Connection
6
7
8
9 B7
10 B6
A8 GND B8
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Truth Table
Inputs OE L H Function A port = B port Disconnect
System Diagram
A1
B1
A8
B8
OE
Absolute Maximum Ratings (Note)
Characteristic Power supply voltage Control pin input voltage Switch terminal I/O voltage Clump diode current Switch I/O current Power dissipation DC VCC/GND current Storage temperature Control input pin Switch terminal Symbol VCC VIN VS IIK IS PD ICC/IGND Tstg Rating
-0.5 to 4.6 -0.5 to 4.6 -0.5 to VCC + 0.5 -50 50
Unit V V V mA mA mA mW mA C
50 180
100 -65 to 150
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)
Characteristic Power supply voltage Control pin input voltage Switch I/O voltage Operating temperature Input rise and fall time Symbol VCC VIN VS Topr dt/dv Rating 1.65 to 3.6 0 to 3.6 0 to VCC
-40 to 85
Unit V V V C ns/V
0 to 10
Note: The operating ranges must be maintained to ensure the normal operation of the device.
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Electrical Characteristics DC Characteristics (Ta = -40 to 85C)
Parameter "H" level Input voltage "L" level Input leakage current Power off leakage current Off-state leakage current (switch off) VIL IIN IOFF ISZ VIN = 0 to 3.6V OE = 0 to 3.6 V A, B = 0 to VCC , OE = VCC VIS = 0 V, IIS = 30 mA VIS = 3.0 V, IIS = 30 mA On resistance (Note2) RON VIS = 2.4 V, IIS = 15 mA VIS = 0 V, IIS = 24 mA VIS = 2.3 V, IIS = 24 mA VIS = 2.0 V, IIS = 15 mA Quiescent supply current ICC VIN = VCC or GND, IOUT = 0 (Note1) (Note1) (Note1) (Note1) (Note1) (Note1)
Symbol VIH
Test Condition
VCC (V) 1.65 to 3.6 1.65 to 3.6 1.65 to 3.6 0 1.65 to 3.6 3.0 3.0 3.0 2.3 2.3 2.3 3.6
Min 0.7 x VCC

Typ.

Max
Unit
0.3 x VCC
1.0
V
A A A
1.0
1.0
9 15 19 10 17 21
13 20 27 16 24 30 10
A
Note1: All typical values are at Ta=25C. Note2: Measured by the voltage drop between A and B pins at the indicated current through the switch. On resistance is determined by the lower of the voltages on the two (A or B) pins.
AC Characteristics (Ta = -40 to 85C)
Characteristics Symbol Test Condition VCC (V) 3.3 0.3 Figure 1, Figure 2 2.5 0.2 1.8 0.15 3.3 0.3 Figure 1, Figure 2 2.5 0.2 1.8 0.15 Min

Max 6 7 11 6 7 11
Unit
Output enable time
tpZL tpZH
ns
Output disable time
tpLZ tpHZ
ns
Capacitive Characteristics (Ta = 25C)
Characteristics (Note) Control pin input capacitance Switch terminal capacitance Symbol CIN CI/O OE = VCC (switch off) Test Condition VCC (V) 3.0 3.0 3.0 Typ. 3 6 12 Unit pF pF pF
OE = GND (switch on)
Note : This parameter is guaranteed by design
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RON Characteristic (typ.) Ta=25
40 35 30
Vcc = 2.3V Vcc = 3.0V
RON()
25 20 15 10 5 0 0 0.5 1 1.5 2
2.5
3
VIS (V)
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AC Test Circuit
Switch
RL
Open 2 x VCC GND Measure CL = 50 pF RL = 500
Parameter tpLH, tpHL tpLZ, tpZL tpHZ, tpZH
Switch Open 2 x VCC GND
Output
CL RL
Figure 1 AC Waveform
tr 2.5 ns Output Enable ( OE ) tpLZ Output (A, B) Low to Off to Low tpHZ Output (A, B) High to Off to High Outputs enabled 90% 50% VOL Outputs disabled Outputs enabled tf 2.5 ns 90% 50% VCC 10% tpZL VOH 50% 10% tpZH VOL VOH GND
Figure 2 tpLZ, tpHZ, tpZL, tpZH
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Rise and Fall Times (tr / tf) of the TC7MBL3245S I/O Signals
The tr(out) and tf(out) values of the output signals are affected by the CR time constant of the input, which consists of the switch terminal capacitance (CI/O) and the on-resistance (RON) of the input. In practice, the tr(out) and tf(out) values are also affected by the circuit's capacitance and resistance components other than those of the TC7MBL3245S.
The tr(out) / tf(out) values can be approximated as follows. (Figure 3 shows the test circuit.) tr(out) / tf(out) (approx) = - ( CI/O + CL ) (RDRIVE+ RON) ln ( ( ( VOH - VOL ) - VM) / ( VOH - VOL ) ) where, RDRIVE is the output impedance of the previous-stage circuit. Calculation example: tr(out) (approx) = - ( 12+ 15 )E-12 ( 120 + 9) ln ( ( ( 3.0 - 0 ) - 1.5 ) / ( 3.0 - 0 ) ) 2.4ns Calculation conditions: VCC = 3.0V , CL = 15pF , RDRIVE = 120 (output impedance of the previous IC), VM = 1.5V(VCC / 2) Output of the previous IC = digital (i.e., high-level voltage = VCC; low-level voltage = GND)
Previous IC Waveform generated without the TC7MBL3245S RDRIVE Measure VCC
CL
GND
RDRIVE = output impedance of the previous IC
Previous IC TC7MBL3245S Waveform generated with the TC7MBL3245S added CI/O (Switch On) Measure VM
CL
RDRIVE
An/Bn
Bn/An
VOH VM VOL tr out tf out
RON
RDRIVE = output impedance of the previous IC
Parameter VM VCC 3.3 0.3 V VCC / 2 2.5 0.2 V VCC / 2 1.8 0.15 V VCC / 2
=
Figure 3 Test Circuit
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Package Dimensions
Weight: 0.08g (typ.)
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Package Dimensions
Weight: 0.03g (typ.)
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Package Dimensions
VQON20-P-0404-0.50 Unit : mm
Weight: 0.0145 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. * This document and any information herein may not be reproduced without prior written permission from TOSHIBA. Even with TOSHIBA's written permission, reproduction is permissible only if reproduction is without alteration/omission. * Though TOSHIBA works continually to improve Product's quality and reliability, Product can malfunction or fail. Customers are 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 creating and producing designs and using, 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 that 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. * Product is intended for use in general electronics applications (e.g., computers, personal equipment, office equipment, measuring equipment, industrial robots and home electronics appliances) or for specific applications as expressly stated in this document. Product is neither intended nor warranted for use in equipment or systems that require extraordinarily high levels of quality and/or reliability and/or a malfunction or failure of which may cause loss of human life, bodily injury, serious property damage or serious public impact ("Unintended Use"). Unintended Use includes, without limitation, equipment used in nuclear facilities, equipment used in the aerospace industry, medical equipment, equipment used for automobiles, trains, ships and other transportation, traffic signaling equipment, equipment used to control combustions or explosions, safety devices, elevators and escalators, devices related to electric power, and equipment used in finance-related fields. Do not use Product for Unintended Use unless specifically permitted in this document. * Do not disassemble, analyze, reverse-engineer, alter, modify, translate or copy Product, whether in whole or in part. * Product shall not be used for or incorporated into any products or systems whose manufacture, use, or sale is prohibited under any applicable laws or regulations. * The information contained herein is presented only as guidance for Product use. No responsibility is assumed by TOSHIBA for any infringement of patents or any other intellectual property rights of third parties that may result from the use of Product. No license to any intellectual property right is granted by this document, whether express or implied, by estoppel or otherwise. * ABSENT A WRITTEN SIGNED AGREEMENT, EXCEPT AS PROVIDED IN THE RELEVANT TERMS AND CONDITIONS OF SALE FOR PRODUCT, AND TO THE MAXIMUM EXTENT ALLOWABLE BY LAW, TOSHIBA (1) ASSUMES NO LIABILITY WHATSOEVER, INCLUDING WITHOUT LIMITATION, INDIRECT, CONSEQUENTIAL, SPECIAL, OR INCIDENTAL DAMAGES OR LOSS, INCLUDING WITHOUT LIMITATION, LOSS OF PROFITS, LOSS OF OPPORTUNITIES, BUSINESS INTERRUPTION AND LOSS OF DATA, AND (2) DISCLAIMS ANY AND ALL EXPRESS OR IMPLIED WARRANTIES AND CONDITIONS RELATED TO SALE, USE OF PRODUCT, OR INFORMATION, INCLUDING WARRANTIES OR CONDITIONS OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, ACCURACY OF INFORMATION, OR NONINFRINGEMENT. * Do not use or otherwise make available Product or related software or technology for any military purposes, including without limitation, for the design, development, use, stockpiling or manufacturing of nuclear, chemical, or biological weapons or missile technology products (mass destruction weapons). Product and related software and technology may be controlled under the Japanese Foreign Exchange and Foreign Trade Law and the U.S. Export Administration Regulations. Export and re-export of Product or related software or technology are strictly prohibited except in compliance with all applicable export laws and regulations. * Please contact your TOSHIBA sales representative for details as to environmental matters such as the RoHS compatibility of Product. Please use Product in compliance with all applicable laws and regulations that regulate the inclusion or use of controlled substances, including without limitation, the EU RoHS Directive. TOSHIBA assumes no liability for damages or losses occurring as a result of noncompliance with applicable laws and regulations.
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