TC74LVX4245FS
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TC74LVX4245FS - TC74LVX4245FS
TC74LVX4245FS
TC74LVX4245FS
Dual Supply Octal Transceiver
TC74LVX4245FS dual supply, advanced high-speed CMOS octal transceiver fabricated with silicon gate CMOS technology. Designed interface between 3.3V mixed 5V/3.3V supply systems' achieves high-speed operation while maintaining CMOS power dissipation. intended asynchronous communication between data busses. direction data transmission determined level input. enable input used disable device that buses effectively isolated. A-port interfaces with Weight: 0.14 (typ.) bus, B-port with 3.3V bus. inputs equipped with protection circuits against static discharge transient excess voltage.
Features
Bi-directional interface between buses High-speed: (typ.) (VCCA VCCB power dissipation: (max) 25°C) Symmetrical output impedance: IOUTA (min) IOUTB (min) (VCCA VCCB noise: VOLP (max) Package: SSOP (shrink small outline package) Note: apply signal pins when output mode. Damage result. floating (high impedance) must have their input levels fixed means pull pull down resistors.
2007-10-17
TC74LVX4245FS
Assignment (top view) Logic Symbol
(22)
VCCA
VCCB VCCB
(BA) (AB)
(21)
(10)
(20) (19) (18) (17) (16) (15) (14)
Truth Table
Inputs
Outputs
Function A-Bus Output Input B-Bus Input Output
High impedance
Don't care High impedance
2007-10-17
TC74LVX4245FS
Block Diagram
VCCA VCCB
Logic level converter
Same above block
Absolute Maximum Ratings (Note
Characteristics Supply voltage range (Note input voltage voltage Input diode current Output diode current output current Symbol VCCA VCCB VI/OA VI/OB II/OK IOUTA IOUTB ICCA ICCB Tstg Rating -0.5 -0.5 VCCA -0.5 VCCA -0.5 VCCA -0.5 VCCB ±200 ±100 Unit
VCC/ground current Power dissipation Storage temperature
Note Exceeding absolute maximum ratings, even briefly, lead deterioration performance even destruction. Using continuously under heavy loads (e.g. application high temperature/current/voltage significant change temperature, etc.) cause this product decrease reliability significantly even operating conditions (i.e. operating temperature/current/voltage, etc.) within absolute maximum ratings operating ranges. Please design appropriate reliability upon reviewing Toshiba Semiconductor Reliability Handbook ("Handling Precautions"/"Derating Concept Methods") individual reliability data (i.e. reliability test report estimated failure rate, etc). Note VCCA VCCB Don't under condition that VCCB
2007-10-17
TC74LVX4245FS
Operating Ranges (Note)
Characteristics Supply voltage Input voltage voltage Operating temperature Symbol VCCA VCCB VI/OA VI/OB Topr Rating VCCA VCCA VCCB
Unit
Input rise fall time dt/dv (VCCA (VCCB ns/V
Note: operating ranges required ensure normal operation device. Unused inputs inputs must tied either GND. Please connect both inputs outputs with when terminal changes function. this case, please note that output short-circuited.
Electrical Characteristics Characteristics (VCCA (VCCB
Characteristics Symbol Test Condition VCCA Input voltage H-level L-level VIHA VILA DIR, DIR, VINA VIHA VILA VINB VIHB VILB VINA VIHA VILA VINB VIHB VILB -100
25°C Typ.
85°C
Unit
3.86
3.76
H-level Output voltage L-level
VOHA
0.36
0.44
VOLA
3-state output Off-state current Input leakage current
VINA VIHA VILA IOZA VINB VIHB VILB VI/OA VCCA IINA ICCA (DIR, VCCA VINA VCCA VINB VCCB VINA (per input) VCCA (other input)
±0.1 ±1.0
±0.5
±5.0
80.0
Quiescent supply current ICCTA
2007-10-17
TC74LVX4245FS
Characteristics (VCCB (VCCA
Characteristics Symbol Test Condition VCCB H-level Input voltage L-level VILB -100 H-level VOHB VINA VIHA VILA L-level VOLB VINA VIHA VILA 3-state output Off-state current IOZB VINA VIHA VILA VI/OB VCCB VINA VCCA VINB VCCB VINA (per input) VCCB (other input) VIHB
25°C Typ.
85°C
Unit
2.26 2.48
2.20 2.40
Output voltage
0.31 0.31
±0.5
0.40 0.40
±5.0
ICCB Quiescent supply current ICCTB
50.0
0.35
0.50
2007-10-17
TC74LVX4245FS
Characteristics (input: VCCA
Characteristics Symbol Test Condition Propagation delay time (AnBn) 3-state output enable time 3-state output disable time Propagation delay time (BnAn) 3-state output enable time 3-state output disable time Output output skew Input capacitance input capacitance tpLH tpHL tpZL tpZH tpLZ tpHZ tpLH tpHL tpZL tpZH tpLZ tpHZ tosLH tosHL CINA CI/O CPDA DIR, (DIR "H") (DIR "L") (DIR "H") (DIR "L") (Note Input: Output: (DIR "L") Input: Outpu: (DIR "H")
25°C Typ.
85°C 12.5 11.4 11.6 10.5
Unit
10.5 13.8 12.5 10.0 10.0 10.5 12.7 11.5
Power dissipation capacitance (Note
CPDB
Note Parameter guaranteed design. (tosLH |tpLHm tpLHn|, tosHL |tpHLm tpHLn|) Note defined value internal equivalent capacitance which calculated from operating current consumption without load. Average operating current obtained equation: (opr) CPDVCCfIN ICC/8 (per bit)
2007-10-17
TC74LVX4245FS
Noise Characteristics 25°C, input:
Characteristics Quiet output maximum dynamic Quiet output mimimum dynamic Quiet output maximum dynamic Quiet output mimimum dynamic Minimum high level dynamic input voltage Maximum level dynamic input voltage Minimum high level dynamic input voltage Maximum level dynamic input voltage Symbol VOLPA VOLVA VOLPB VOLVB VIHDA VILDA VIHDB VILDB Test Condition Input: Output: (DIR "L") Input: Output: (DIR "H") Input: Input: Input: Input: VCCA VCCB Typ.
-0.6
Limit
-1.2
Unit
-0.5
-0.8
2007-10-17
TC74LVX4245FS
Package Dimensions
Weight: 0.14 (typ.)
2007-10-17
TC74LVX4245FS
RESTRICTIONS PRODUCT
Toshiba Corporation, subsidiaries affiliates (collectively "TOSHIBA"), reserve right make changes information this document, related hardware, software systems (collectively "Product") without notice. This document information herein reproduced without prior written permission from TOSHIBA. Even with TOSHIBA's written permission, reproduction permissible only reproduction without alteration/omission. Though TOSHIBA works continually improve Product's quality reliability, Product malfunction fail. Customers responsible complying with safety standards providing adequate designs safeguards their hardware, software systems which minimize risk avoid situations which malfunction failure Product could cause loss human life, bodily injury damage property, including data loss corruption. Before creating producing designs using, customers must also refer comply with latest versions relevant TOSHIBA information, including without limitation, this document, specifications, data sheets application notes Product precautions conditions forth "TOSHIBA Semiconductor Reliability Handbook" instructions application that Product will used with for. Customers solely responsible aspects their product design applications, including limited determining appropriateness this Product such design applications; evaluating determining applicability information contained this document, charts, diagrams, programs, algorithms, sample application circuits, other referenced documents; validating operating parameters such designs applications. TOSHIBA ASSUMES LIABILITY CUSTOMERS' PRODUCT DESIGN APPLICATIONS. Product intended general electronics applications (e.g., computers, personal equipment, office equipment, measuring equipment, industrial robots home electronics appliances) specific applications expressly stated this document. Product neither intended warranted equipment systems that require extraordinarily high levels quality and/or reliability and/or malfunction failure which cause loss human life, bodily injury, serious property damage serious public impact ("Unintended Use"). Unintended includes, without limitation, equipment used nuclear facilities, equipment used aerospace industry, medical equipment, equipment used automobiles, trains, ships other transportation, traffic signaling equipment, equipment used control combustions explosions, safety devices, elevators escalators, devices related electric power, equipment used finance-related fields. Product Unintended unless specifically permitted this document. disassemble, analyze, reverse-engineer, alter, modify, translate copy Product, whether whole part. Product shall used incorporated into products systems whose manufacture, use, sale prohibited under applicable laws regulations. information contained herein presented only guidance Product use. responsibility assumed TOSHIBA infringement patents other intellectual property rights third parties that result from Product. license intellectual property right granted this document, whether express implied, estoppel otherwise. ABSENT WRITTEN SIGNED AGREEMENT, EXCEPT PROVIDED RELEVANT TERMS CONDITIONS SALE PRODUCT, MAXIMUM EXTENT ALLOWABLE LAW, TOSHIBA ASSUMES LIABILITY WHATSOEVER, INCLUDING WITHOUT LIMITATION, INDIRECT, CONSEQUENTIAL, SPECIAL, INCIDENTAL DAMAGES LOSS, INCLUDING WITHOUT LIMITATION, LOSS PROFITS, LOSS OPPORTUNITIES, BUSINESS INTERRUPTION LOSS DATA, DISCLAIMS EXPRESS IMPLIED WARRANTIES CONDITIONS RELATED SALE, PRODUCT, INFORMATION, INCLUDING WARRANTIES CONDITIONS MERCHANTABILITY, FITNESS PARTICULAR PURPOSE, ACCURACY INFORMATION, NONINFRINGEMENT. otherwise make available Product related software technology military purposes, including without limitation, design, development, use, stockpiling manufacturing nuclear, chemical, biological weapons missile technology products (mass destruction weapons). Product related software technology controlled under Japanese Foreign Exchange Foreign Trade U.S. Export Administration Regulations. Export re-export Product related software technology strictly prohibited except compliance with applicable export laws regulations. Please contact your TOSHIBA sales representative details environmental matters such RoHS compatibility Product. Please Product compliance with applicable laws regulations that regulate inclusion controlled substances, including without limitation, RoHS Directive. TOSHIBA assumes liability damages losses occurring result noncompliance with applicable laws regulations.
2007-10-17
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