SN74LVC8T245MDWREP

SN74LVC8T245MDWREP

  • 厂商:

    BURR-BROWN(德州仪器)

  • 封装:

    SOIC24_300MIL

  • 描述:

    SN74LVC8T245-EP 具有可配置电压转换和三态输出的 8 位双电源总线收发器(增强型产品)

  • 数据手册
  • 价格&库存
SN74LVC8T245MDWREP 数据手册
Logic Guide www.ti.com/logic 2017 Logic Guide Introduction and Contents Today’s applications are evolving with greater functionality and smaller size. TI’s goal is to help designers easily find the ideal logic technology or function they need. Logic families are offered at every price/performance node along with benchmark delivery, reliability, and worldwide support. TI maintains a firm commitment to remain in the market with both leading-edge and mature logic lines. Introduction As the world leader in logic, Texas Instruments (TI) offers a full spectrum of logic functions and technologies that range from the mature bipolar and bipolar complementary metal-oxide semiconductor (BiCMOS) families to the latest advanced-CMOS families. TI offers process technologies with the logic performance and features needed in today’s electronic markets while maintaining support for traditional logic products. Table of Contents Logic Guide 2017 2 Logic Overview 3 4 5 6 7 Logic suppliers have historically focused on speed and low power as the priorities for product family improvement. As shown below, improved performance is offered by many new TI product technologies such as AUC (1.8 V) and ALVC (3.3 V) depending on operating voltage requirements. Other technologies such as AUP focus on delivering “best-inclass” low-power performance. TI’s product offerings include the following process technologies or device families: • AC, ACT, AHC, AHCT, ALVC, AUC, AUP, AVC, FCT, HC, HCT, LV-A, LV-AT, LVC, TVC • ABT, ABTE, ALB, ALVT, BCT, HSTL, LVT, LV1T, LV4T • FB, VME • ALS, AS, F, LS, S, TTL 8 AUC 8 AUP 9 ALVC 9 AUP1T 9 AVC 10 LV1T/LV4T 10 LVC/LVC1G 11 AC/ACT 11 AHC/AHCT 11 HC/HCT 12 LV-A/LV-AT 12 ALB 12 ALVT 13 LVT 13 ABT/ABTE 13 ALS/AS/S/LS 14 BCT 14 F 15 FCT 15 TTL 15 CD4000 CMOS Voltage vs. Speed 25 HC AHC Typical Propagation Delay, tpd (ns) AC LVA 15 LVC Resources ALVC 16 17 19 AVC AUC 10 World of TI Logic IC Basics Automotive Logic Introducing the Next Generation QFN packaging Technology Functions Matrix Logic Families Data sheets can be downloaded from the TI Web site at www.ti.com or ordered through your local sales office or TI authorized distributor. (See back cover.) 20 Introduction and Contents Package Options Related Logic Resources TI Worldwide Technical Support 5 0 0 1 2 3 4 5 6 7 CMOS Voltage, VCC (V) 2 | Logic Guide 2017 Texas Instruments Texas Instruments Logic Guide 2017 | 2 Logic Overview World of TI Logic Some logic families have been in the marketplace for years, the oldest is well into its fifth decade. The following section gives the logic user a visual guide to the technology families that are available and their optimal voltage levels. 0.8-V Logic 1.2-V Logic 1.5-V Logic AUC, AUP AUC, AUP, AVC AUC, AUP, AVC 1.8-V Logic 2.5-V Logic 3.3-V Logic ALVC, AUC, AUP, AVC, LVC, LV1T ALVC, ALVT, AUC, AUP, AVC, LV, LV1T, LV-A, LVC AC, AHC, ALB, ALVC, ALVT, AUP, AVC, LV, LV-A, LVC, LVT, LV1T, AUP1T 5-V Logic ABT, AC/ACT, AHC, AHCT, ALS, AS, BCT, F, LV, LV1T, LV-A, LS, S, TTL, CD4000, FCT2 5-V+ Logic CD4000 Texas Instruments Logic Guide 2017 | 3 Logic Overview IC Basics: Comparison of Switching Standards Shown below are the switching input/ output comparison table and graphic that illustrate VIH and VIL, which are the minimum switching levels for guaranteed operation. Vt is the approximate switching level and the VOH and VOL levels are the guaranteed outputs for the VCC specified. Is VOH higher than VIH? Is VOL less than VIL? D R 5 TTL 5 CMOS 3 LVTTL 2.5 CMOS 1.8 CMOS 5 TTL Yes No Yes* Yes* Yes* 5 CMOS Yes Yes Yes* Yes* Yes* 3 LVTTL Yes No Yes Yes* Yes* 2.5 CMOS Yes No Yes Yes Yes* 1.8 CMOS No No No No Yes* R D * Requires VIH Tolerance 5V VCC 2.4 VOH 2.0 VIH 1.5 Vt 0.8 0.4 0 5V VCC 4.44 VOH 3.5 VIH 2.5 1.5 Vt VIL VIL VOL GND 5-V TTL Standard TTL: ABT, AHCT, HCT, ACT, bipolar, LV1T, LV4T 4 | Logic Guide 2017 Texas Instruments O.5 0 VOL GND 5-V CMOS Rail-to-Rail 5 V HC, AHC, AC, LV-A, LV1T, LV4T 3.3 V VCC 2.4 VOH 2.0 VIH 1.5 Vt 0.8 VIL 0.4 VOL 0 GND 3.3-V LVTTL LVT, LV1T, LV4T, LVC, ALVC, AUP, LV-A, ALVT 2.5 V VCC 2.3 VOH 1.7 VIH 1.2 Vt 0.7 VIL 0.2 VOL 0 GND 2.5-V CMOS AUC, AUP, AVC, ALVC, LVC, ALVT, LV1T, LV4T 1.8 V VCC 1.2 VOH 1.17 VIH 0.9 0.0 Vt VIL 0.45 VOL 0 GND 1.8-V CMOS AUC, AUP, AVC, ALVC, LVC, LV1T, LV4T Texas Instruments Logic Guide 2017 | 4 Logic Overview Automotive Logic Texas Instruments (TI) offers a vast portfolio of automotive logic products that are compliant to the AEC-Q100 standard. These devices are applicable for automotive, industrial, and high-reliability systems and come with world-class support. Breadth of Product Functions TI’s automotive logic products include a wide range in functionality in both ­standard logic and little logic functions such as single-, dual- and triple-gates. With more than 125 different standard gate functions and close to 40 little logic ­functions, TI has one of the most comprehensive portfolios for automotive logic in the industry. This gives automotive system designers the flexibility to choose the functions they need for their target systems. Package Offerings TI’s packaging options for logic products range from standard SOIC and TSSOP packages to small-form-factor SC70 and SOT-23 packages. These logic products are suitable for a wide spectrum of automotive applications. Benchmark Lead Times With a vast network of worldwide wafer fabs and assembly/test sites, TI supports automotive customers with benchmark product lead times. Most TI a ­ utomotive logic product lead times are six weeks or less. Quality Control All logic products go through a tightly controlled manufacturing process that includes quality-control checks geared to achieve the zero-DPPM requirements of automotive OEMs. Reliability TI’s design-flow checks ensure that all automotive logic products meet or exceed long-term reliability expectations. Supply Continuity TI has a solid track record of supply continuity. TI’s first logic products were introduced in 1964 and are still in production and supported. Automotive grade products have been in production and supported since 1984. For the full list of TI’s automotive logic products, please visit www.ti.com/logic Start Your Future Automotive Designs with TI Logic Texas Instruments Logic Guide 2017 | 5 Logic Overview Introducing the Next Generation QFN Packaging New Packaging for Space-Constrained Applications TI’s premier packaging portfolio allows for logic devices to be i­ncorporated into small form factors such as the ever-shrinking wearables, mobile devices, home automation, as well as healthcare and fitness devices. Any customer planning to fit advanced logic functions into space constrained applications will find the X1QFN and X2SON packages to be a valuable resource for new designs. X1QFN X1QFN is a new advanced packaging series available for 14-, 16-, and 20-pin devices offered by Texas Instruments (TI) with a lower propagation delay and wider operating temperature than any other QFN package. The 14-pin X1QFN is just 2.5 x 2.1 x 0.5 mm with 0.4-mm pitch, a major revolution in the industry for small-scale packages. Such small package sizes were previously only offered for little logic functions such as single-, dual- and triple-gates, but with aggressive die shrinking, TI has brought multi-gate functions to this advanced small-scale package. 20 PDIP (N) QFN 20-pin 4.5 x 3.5 mm (RGY) 20 SOIC (DW) 20 SOP (NS) 20 QSOP (DBQ) 52% Smaller QFN 16-pin 4 x 3.5 mm (RGY) 20 TVS0P (DGV) 44% Smaller X1QFN 20-pin 3.3 x 2.5 mm (RWP) X1QFN 16-pin 2.5 x 2.5 mm (RWN) 20 TSSOP (PW) 16 SSOP (DB) 16 QSOP (DBQ ) 16 TSSOP (PW) 16 TVSOP (DGV) X2SON TI is not only investing in standard logic space, but also in popular little logic functions. TI has released the newest and smallest next generation X2SON package (a.k.a. X2QFN) for 5-pin and 6-pin devices. The 5-pin DPW package is just 0.8 x 0.8 x 0.4 mm (0.5-mm pitch), whereas the 6-pin DTB package is only 0.8 x 1.0 x 0.4 mm (0.4-mm pitch). QFN (DRY) Smaller X2SON 5-pin 0.8 x 0.8 mm (DPW) Actual Size X2SON 6-pin 0.8 x 1.0 mm (DTB) X2SON (DSF) 6 | Logic Guide 2017 22 to 36% Smaller Texas Instruments Logic Overview Technology Function Matrix 4 4 AVC 1.8, 3.3 4 1.8, 3.3, 5 4 41 AC 3.3, 5 41 4 AHC 3.3, 5 1 4 4 1 HC 3.3, 5 41 41 LV-A 3.3, 5 1 4 1 ALB 3.3 4 ALVT 3.3 4 GTL 3.3 3.3 VME 3.3 ABT 5 ABTE 5 4 4 41 4 41 4 4 4 41 41 41 41 41 41 4 4 4 41 4 4 4 4 4 41 4 4 41 4 4 4 4 4 41 41 4 41 41 4 4 41 4 4 4 41 1 4 1 4 1 4 4 1 41 41 41 41 41 4 4 1 1 4 1 4 4 4 4 4 4 4 4 4 4 4 4 4 41 4 4 4 4 4 1 41 4 4 41 4 41 4 1 1 4 4 4 4 4 4 4 4 4 4 4 4 4 41 41 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 41 4 41 4 4 4 41 41 41 4 ACT 5 4 AHCT 5 41 4 4 41 4 4 4 41 4 4 1 4 4 41 4 4 4 4 4 4 4 4 41 ALS 5 4 4 4 4 4 4 4 4 4 5 4 4 4 4 4 4 4 4 4 BCT 5 4 4 F 5 4 4 FB 5 4 4 4 4 4 4 4 4 4 4 FCT 5 4 4 4 4 4 4 HCT 5 41 41 4 4 4 4 4 4 4 4 4 4 LS 5 4 4 LV-AT 5 4 4 S 5 4 4 4 4 4 4 4 TTL 4 5 4 5, 10, 12 to 18 41 4 4 4 4 4 4 4 4 4 41 4 4 4 41 4 4 4 4 4 4 41 4 4 4 4 4 4 4 4 1 41 AS CD4000 BiCMOS 4 4 CMOS 41 Bipolar 4 41 Power-off Output Disable 4 41 Overvoltagetolerant Inputs 4 4 Series Damping Resistors 4 4 Bus-Hold 4 4 41 4 41 Power-up 3-State 4 Phase Lock Loops Digital Comp/ Parity Gen. Encoders/ Decoders Shift Registers Counters 4 4 1.8, 3.3, 5 3.3 4 41 4 LV1T GTLP 4 4 LVC LVT Combination Logic 4 Schmitt Triggers 1.8, 3.3 1.8, 3.3 4 Process IOFF (Partial Power Down) ALVC AUP1T 4 Level Translators 4 4 Transceivers 0.8, 1.8, 2.5 0.8, 1.8, 3.3 Special Features Gates AUC AUP Flip-Flops Voltage Configurable Logic Families Buffers/Line Drivers Functions 4 4 4 4 41 4 4 4 4 4 4 4 4 41 1 Also available in automotive grade For product details, click this link for Quick search tab at www.ti.com/logic Texas Instruments Logic Guide 2017 | 7 Logic Families AUC and AUP1G Advanced Ultra-Low-Voltage CMOS AUC Key Features • 1.8-V optimized performance • VCC specified at 2.5 V, 1.8 V, and 1.2 V • 3.6-V I/O tolerance • Ioff spec for partial power down • ESD protection • Low noise Applications • Telecommunications equipment • High-performance workstations • PCs and networking servers • Portable consumer electronics Packaging Options • BGA MicroStar Junior™ • DSBGA • LFBGA • SC70 • SM8 • SON • SOT-23 • SOT • TSSOP • TVSOP • UQFN • US8 • VQFN AUC Device Examples Device VCC (V) Drive (mA) tpd(MAX) (ns) at 1.8 V SN74AUC1G125 2.7 –9/9 1.5 SN74AUC1G32 2.7 –9/9 1.5 SN74AUC245 2.7 –9/9 1.7 SN74AUC1G04 2.7 –9/9 1.2 SN74AUC1G17 2.7 –9/9 1.9 For full product matrix, click this link for Quick search tab at www.ti.com/logic Advanced Ultra-Low-Power AUP Key Features • Low static-/dynamic-power consumption • Wide VCC operating range: 0.8 to 3.6 V • Input hysteresis allows for slow input transition • Best in class for speed-power optimization • Ioff spec for partial power down • ESD protection Applications • Mobile phones • PDAs • Digital and video cameras • Digital photo frames • Embedded PC • Video communications system Packaging Options • DSBGA • SC70 • SM8 • SON • SOT-23 • SOT • UQFN • US8 • X2SON AUP Device Examples VCC (V) Drive (mA) tpd(MAX) (ns) at 3.3 V ICC (µA) SN74AUP1G07 Device 3.6 –4/4 3.3 0.9 SN74AUP1G34 3.6 –4/4 4.1 0.9 SN74AUP1G08 3.6 –4/4 4.3 0.9 SN74AUP1G32 3.6 –4/4 4.6 0.9 SN74AUP1G00 3.6 –4/4 4.8 0.9 For full product matrix, click this link for Quick search tab at www.ti.com/logic 8 | Logic Guide 2017 Texas Instruments Logic Families ALVC, AUP1T and AVC Advanced Low-Voltage CMOS ALVC Key Features • VCC specified at 3.3 V, 2.5 V, and 1.8 V • Balanced drive • Bus-hold option • Low noise • Damping resistor options • ESD protection Packaging Options • BGA MicroStar Junior™ • LFBGA • PDIP • SO • SOIC Applications • Automotive • Memory Interfaces • Datapath communication ALVC Device Examples Device • SSOP • TSSOP • TVSOP • VQFN VCC (V) Drive (mA) SN74ALVC125 3.6 –24/24 tpd(MAX) (ns) at 3.3 V 2.8 SN74ALVCH16373 3.6 –24/24 3.6 SN74ALVC164245 6 –24/24 5.8 For full product matrix, click this link for Quick search tab at www.ti.com/logic Advanced Ultra-Low-Power AUP1T Key Features • Low voltage input switching levels of 1.8 V and 2.5 V allows for low threshold level • Accepts 1.8-V to 2.5-V logic level for high or low • Only requires a single voltage to achieve level shifting function • VCC of either 2.5 V or 3.3 V Applications • Portable electronics • Automotive • Signal conditioning Packaging Options • DSBGA • SON • SC70 • SOT-23 • X2SON AUP1T Device Examples Device VCC (V) Drive (mA) tpd(MAX) (ns) at 1.8 V ICC (µA) SN74AUP1T17 3.6 –4/4 10 0.9 SN74AUP1T08 3.6 –4/4 10.8 0.9 SN74AUP1T32 3.6 –4/4 10.8 0.9 For full product matrix, click this link for Quick search tab at www.ti.com/logic Advanced Very-Low-Voltage CMOS AVC Key Features • VCC specified at 3.3 V, 2.5 V, and 1.8 V • 3.3-V I/O tolerance • Sub-2.0-ns max tpd at 2.5 V • Bus-hold option • Ioff for partial power down • Dynamic output control Packaging Options • BGA MicroStar Junior™ • DSBGA • SC70 • SM8 • SOT-23 • SOT Applications • High-performance workstations • PCs • Networking servers • Telecommunication equipment AVC Device Examples Device • TSSOP • TVSOP • UQFN • US8 VCC (V) Drive (mA) tpd(MAX) (ns) at 3.3 V SN74AVC16245 3.6 –12/12 1.7 SN74AVC16373 3.6 –12/12 2.8 SN74AVC16244 3.6 –12/12 3.5 For full product matrix, click this link for Quick search tab at www.ti.com/logic Texas Instruments Logic Guide 2017 | 9 Logic Families LV1T/LV4T and LVC/LVCxG Low-Voltage CMOS Technology LV1T/LV4T Key Features • Up/down translation with a single power rail • Down translation from up to 5.5-V to VCC level • Optimized and balanced output drive (7 mA at 3.3-V VCC) • No need for damping resistor • Lowered switching threshold Applications • Computing • Wearables • Personal electronics • Automotive and industrial • Notebook Packaging Options • SC70 • SOT-23 • TSSOP • VQFN LV1T/LV4T Device Examples VCC (V) Drive (mA) tpd(MAX) (ns) at 3.3 V SN74LV1T34 Device 5.0 –8/8 8.0 SN74LV4T125 5.0 –16/16 5.5 SN74LV1T08 5.5 –8/8 5.5 For full product matrix, click this link for Quick search tab at www.ti.com/logic Low-Voltage CMOS LVC/LVC1G Key Features • VCC specified at 5.5 V, 3.3 V, 2.5 V, and 1.8 V • 5-V I/O tolerance • Series damping resistor option • Ioff spec for partial power down • ESD protection Applications • Portable electronics • Telecommunications equipment • Networking servers • Routing, clock buffering, and muxing • Personal computing Packaging Options • BGA MicroStar Junior™ • CDIP • CFP • DSBGA • LCCC • LFBGA • PDIP • SC70 • SM8 • SO • VQFN • SOIC • SON • SOT/SOT-23 • X1QFN • SSOP • TSSOP • TVSOP • UQFN • US8 • USON • X2SON LVC/LVC1xG Device Examples Device VCC (V) Drive (mA) tpd(MAX) (ns) at 3.3 V SN74LVC1G125 5.5 –32/32 4.5 SN74LVC245A 3.6 –24/24 6.3 SN74LVC14A 3.6 –24/24 6.4 SN74LVC1G08 5.5 –32/32 3.6 For full product matrix, click this link for Quick search tab at www.ti.com/logic 10 | Logic Guide 2017 Texas Instruments LogicTexas GuideInstruments 2017 | 10 Logic Families AC/ACT, AHC/AHCT and HC/HCT Advanced CMOS AC/ACT Key Features • Balanced propagation delay • Inputs are TTL-voltage compatible (ACT) • Low power consumption • ESD protection • Center VCC pin and GND configurations minimize high-speed switching noise Applications • Buffer registers • Defense, aerospace • Working registers • I/O ports Packaging Options • CDIP • CFP • CPGA • LCCC • SO • SOIC • SSOP • TSSOP • PDIP AC/ACT Device Examples Device VCC (V) Drive (mA) SN74ACT245 5.5 –24/24 tpd(MAX) (ns) at 5 V 9.0 SN74AC373 6.0 –24/24 10.5 SN74ACT08 5.5 –24/24 10 For full product matrix, click this link for Quick search tab at www.ti.com/logic Advanced High-Speed CMOS AHC/AHCT Key Features • Low noise without characteristic overshoot/undershoot • Low power consumption • Small propagation delay (5.5 ns) • 5 V and input tolerance at 3.3 V • Pin-for-pin compatibility Applications • Industrial • Defense, aerospace • Medical Packaging Options • CDIP • CFP • LCCC • PDIP • SC70 • SO • SOIC • SOT-23 • SOT • SSOP • TSSOP • TVSOP • VQFN AHC/AHCT Device Examples Device VCC (V) Drive (mA) tpd(MAX) (ns) at 5 V SN74AHC245 5.5 –8/8 6.5 SN74AHC123A 5.5 –8/8 14 SN74AHC1G08 5.5 –8/8 7 For full product matrix, click this link for Quick search tab at www.ti.com/logic High-Speed CMOS HC/HCT Key Features • Low noise without characteristic overshoot/undershoot • Low power consumption • Small propagation delay (5.5 ns) • TTL voltage-compatible inputs (HCT) • Balanced propagation delay and transition times • Wide operating temperature Applications • Automotive • Buffer/storage registers • Frequency synthesis and multiplication • Shift registers • Pattern generators Packaging Options • CDIP • CFP • TSSOP • TVSOP • SO • SOIC • SSOP • LCCC • PDIP • X1QFN HC/HCT Device Examples Device VCC (V) Drive (mA) tpd(MAX) (ns) at 6 V SN74HC245 6.0 –7.8/7.8 22 CD74HC123 6.0 –5.2/5.2 68 CD74HC164 6.0 –5.2/5.2 38 For full product matrix, click this link for Quick search tab at www.ti.com/logic Texas Instruments Logic Guide 2017 | 11 Logic Families LV-A/LV-AT, ALB and ALVT Low Voltage LV-A/LV-AT Key Features • VCC specified at 5.0 V, 3.3 V, and 2.5 V • Inputs are TTL voltage compatible (LV-AT) • 5-V I/O tolerance • Ioff spec for partial power down • ESD protection • Low noise Applications • Portable electronics • Buffer memory address registers • Bidirectional bus drivers • I/O ports Packaging Options • BGA MicroStar Junior™ • PDIP • SO • SOIC • SSOP • TSSOP • TVSOP • VQFN LV-A/LV-AT Device Examples VCC (V) Drive (mA) tpd(MAX) (ns) at 5 V SN74LV245A Device 5.5 –16/16 8.5 SN74LV123A 5.5 –12/12 15 SN74LV244AT 5.5 –16/16 9.5 For full product matrix, click this link for Quick search tab at www.ti.com/logic Advanced Low-Voltage BiCMOS ALB Key Features • State-of-the-art, advanced low-voltage BiCMOS technology design for 3.3-V operation • Schottky diodes on all inputs to eliminate overshoot and undershoot • Small high-speed switching noise • Flow-through architecture that optimizes PCB layout Applications • Workstations • Telecommunications equipment • Advanced peripherals Packaging Options • SSOP • TSSOP • TVSOP ALB Device Examples Device VCC (V) Drive (mA) tpd(MAX) (ns) at 3.3 V SN74ALB16244 3.6 –25/25 2.0 SN74ALB16245 3.6 –25/25 2.0 For full product matrix, click this link for Quick search tab at www.ti.com/logic Advanced Low-Voltage CMOS Technology ALVT Key Features • VCC specified at 3.3 V and 2.5 V • High-drive output: up to 64 mA • 5-V I/O tolerance • Power-up 3 state • Partial power down (Ioff) • Hot insertion • Bus hold Packaging Options • BGA MicroStar Junior™ • LFBGA • SSOP Applications • Backplane • Bus-driving • Digital logic systems • TSSOP • TVSOP ALVT Device Examples Device VCC (V) Drive (mA) tpd(MAX) (ns) at 2.5 V SN74ALVTHR16245 3.6 –12/12 4.3 SN74ALVTH16374 3.6 –32/64 3.8 SN74ALVTH162244 3.6 –12/12 4.2 SN74ALVTH16373 3.6 –32/64 4.2 For full product matrix, click this link for Quick search tab at www.ti.com/logic 12 | Logic Guide 2017 Texas Instruments Logic Families LVT, ABT/ABTE and ALS/AS/S/LS Low-Voltage BiCMOS Technology LVT Key Features • 5.5-V maximum input voltage • Specified 2.7-V to 3.6-V supply voltage • I/O structures support live insertion • Rail-to-rail switching for driving CMOS • tpd < 4.6 ns • Allows mixed-signal operation • Low-input leakage current Applications • Computing • Wearables • Personal electronics • Automotive and industrial Packaging Options • MicroStar BGA™ • BGA MicroStar Junior™ • CDIP • CFP • LCCC • LFBGA • LQFP • SO • SOIC • SSOP • TSSOP • TVSOP • VQFN LVT Device Examples Device VCC (V) Drive (mA) tpd(MAX) (ns) at 3.3 V SN74LVTH16245A 3.6 –32/64 3.3 SN74LVTH245A 3.6 –32/64 3.5 SN74LVTH16244A 3.6 –32/64 4.1 SN74LVTH125 3.6 –32/64 3.5 For full product matrix, click this link for Quick search tab at www.ti.com/logic Advanced BiCMOS Technology ABT/ABTE Key Features • Low power dissipation • ESD protection • Distributed VCC and GND pin configuration minimizes high-speed noise • Bus hold on data inputs eliminates the need for external pullup/pulldown resistors Applications • Buffer registers • I/O ports • Working registers Packaging Options • CDIP • CFP • LCCC • LQFP • PDIP • SO • SOIC • SSOP • TSSOP • TVSOP • QFN ABT/ABTE Device Examples Device VCC (V) Drive (mA) tpd(MAX) (ns) at 5 V SN74ABT245B 5.5 –32/64 3.9 SN74ABT125 5.5 –32/64 4.9 SN74ABT244A 5.5 –32/64 4.6 For full product matrix, click this link for Quick search tab at www.ti.com/logic Schottky Logic ALS/AS/S/LS Key Features • PNP inputs reduce DC loading • Hysteresis at inputs improves noise margins • Low power consumption • Short propagation delays and high clock frequencies • Fully compatible with most TTL circuits • Wide operating temperature Applications • Test and measurement • Three-state memory address drivers • Bus-oriented receivers/transceivers • Balanced transmission lines Packaging Options • CDIP • CFP • LCCC • PDIP • SO • SOIC • SSOP • TSSOP ALS/AS/S/LS Device Examples VCC (V) Drive (mA) SN54ALS245A Device 5.5 –12/12 tpd(MAX) (ns) at 5 V 10 SN74ALS1034 5.5 –15/24 8.0 SN74AS373 5.5 –12/32 6.0 SN74LS07 5.5 40 30 For full product matrix, click this link for Quick search tab at www.ti.com/logic Texas Instruments Logic Guide 2017 | 13 Logic Families BCT and F BiCMOS Technology BCT Key Features • Low power consumption • ESD protection • Distributed VCC and GND pins minimize noise generated by simultaneous switching of outputs • Designed to facilitate incident-wave switching for line impedances of 25 Ω or greater • Controlled baseline Applications • Asynchronous data bus communication • 3-state memory address drivers • Clock drivers • Bus-oriented receivers and transmitters Packaging Options • CDIP • CFP • LCCC • PDIP • SO • SOIC • SSOP • TSSOP BCT Device Examples VCC (V) Drive (mA) tpd(MAX) (ns) at 5 V SN74BCT125A Device 5.5 –15/64 7.7 SN74BCT2245 5.5 –12/12 7.8 SN74BCT245 5.5 –15/64 7 For full product matrix, click this link for Quick search tab at www.ti.com/logic Fast Logic F Key Features • Full-carry look-ahead across the four bits • Systems achieve partial look-ahead performance with the economy of ripple carry • Operational over the full military temperature range • Fully synchronous operation for counting • Fully independent clock circuit Applications • Stacked or pushdown registers • Buffer storage • Accumulator registers • Asynchronous data bus communication Packaging Options • CDIP • CFP • LCCC • PDIP • SO • SOIC • SSOP F Device Examples Device VCC (V) Drive (mA) tpd(MAX) (ns) at 5 V SN74F245 5.5 –15/64 7.0 SN74F373 5.5 –3/24 13 SN74F04 5.5 –1/20 6 For full product matrix, click this link for Quick search tab at www.ti.com/logic 14 | Logic Guide 2017 Texas Instruments Logic Families FCT, TTL and CD4000 Fast CMOS Technology FCT Key Features • Edge-rate control circuitry for significantly improved noise characteristics • Ioff supports partial-power-down mode operation • ESD protection • Matched rise and fall times • Fully compatible with TTL input and output logic levels Applications • Programmable dividers • Transmission lines • High-speed, low-power bus • Bus interface Packaging Options • CDIP • CFP • LCC • PDIP • SOIC • SSOP • TSSOP FCT Device Examples Device VCC (V) Drive (mA) tpd(MAX) (ns) at 5 V CD74FCT273 5.25 –15/48 13 CD74FCT245 5.25 –15/64 7.0 For full product matrix, click this link for Quick search tab at www.ti.com/logic Transistor-Transistor Logic TTL Key Features • Synchronous operation • Individual preset to each flip-flop • Fully independent clear input • Gated output-control lines for enabling or disabling the outputs • Load control line • Diode-clamped inputs • High noise immunity • Wide operating temperature Applications • High-speed counting designs • Bus buffer register • Interfacing with high-level circuits • Driving high-current loads Packaging Options • CDIP • CFP • LCCC • PDIP • SO • SOIC TTL Device Examples Device VCC (V) Drive (mA) SN7407 5.25 40 tpd(MAX) (ns) at 5 V 30 SN7400 5.25 –0.4/16 5.0 For full product matrix, click this link for Quick search tab at www.ti.com/logic CMOS Logic CD4000 Key Features • Medium-speed operation: tPLH = 60 ns at VDD = 10 V • Standardized, symmetrical output characteristics • Separate serial outputs synchronous to both positive and negative clock edges for cascading Applications • Logical comparators • Adders/subtractors • Parity generators and checkers • Serial-to-parallel data conversion • Remote control holding register Packaging Options • CDIP • SO • CDIP SB • SOIC • CFP • TSSOP • PDIP CD4000 Device Examples Device CD4069UB CD40106B CD4011B VCC (V) Drive (mA) tpd(MAX) (ns) 18 18 18 –6.8/6.8 –6.8/6.8 –6.8/6.8 60 140 120 For full product matrix, click this link for Quick search tab at www.ti.com/logic Texas Instruments Logic Guide 2017 | 15 Resources Package Options Pins PDIP SOIC SOP SSOP 8 P D QSOP 10 DGN DDU DGK DCU DGS 14 16 VSSOP PW DCT PS TSSOP D N NS DB PW NS DB DBQ PW NS DB DBQ PW NS DB DBQ PW D NE DW N DW N DW NT DW 18 20 24 28 DW DB DL 38 PW DBT 48 DL DGG DL DGG 56 64 DGG 16 | Logic Guide 2017 Texas Instruments Resources Package Options Pins TVSOP 3 DBZ 4 DCK DRL DRT DPW DRY DSF 6 DRG DRJ RSE 9 RSF DGV DGV DGV DGV RUE YFP 12 ZXU VFBGA ZXY GQN/ZQN VFBGA YFP YFC YFP YZP ZQS GQL/ZQL RWN RSV 48 54 ZRD YZP YFC YZT VFBGA 56 GQL/ZQL 72 YFP 83 RGW RGY RWP RTW RGE RHL RGE ZQC ZAH YEA/YZA RUC RGY RGT RGY RTE 24 RSE DRC 12 20 YZP YFP 10 16 8 DTB DQE 14 BGA YEA/YZA YEA/YZA DCQ DCN YZP YFM Pins 24 DRS 8 XLGA 20 DBV DRL DRT YZV YFP DZD DBV DCK WCSP PK DCY 5 MicroQFN QFN (UQFN) SOT YFP ZST ZRG VFBGA 96 GKE/ZKE ZRL 25 YFP 30 YFC 32 RGJ GKF/ZKF RSM RHB RVA 42 56 114 RHH 36 48 VFBGA DGV DGV RHU RGQ 80 DBB Texas Instruments Logic Guide 2017 | 17 Resources Related Logic Resources Little Logic Guide www.ti.com/lit/scyt129 18 | Logic Guide 2017 Voltage Translation Guide www.ti.com/lit/scyb018 TI Logic and Linear Products www.ti.com/lit/slyc125 Texas Instruments TI Worldwide Technical Support TI Support Thank you for your business. 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SN74LVC8T245MDWREP 价格&库存

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SN74LVC8T245MDWREP
  •  国内价格
  • 1+78.81780
  • 100+65.68140
  • 250+52.54510
  • 1000+43.78760

库存:0

SN74LVC8T245MDWREP
  •  国内价格
  • 1+73.24044
  • 3+54.46084
  • 7+51.52142
  • 1000+51.43977

库存:0

SN74LVC8T245MDWREP
  •  国内价格 香港价格
  • 2000+58.723292000+7.58994

库存:605

SN74LVC8T245MDWREP
  •  国内价格 香港价格
  • 1+98.175561+12.68912
  • 10+76.8944310+9.93855
  • 25+71.5709525+9.25049
  • 100+67.00799100+8.66073

库存:605

SN74LVC8T245MDWREP
  •  国内价格 香港价格
  • 1+71.078971+9.18690
  • 5+65.221295+8.42980
  • 25+57.5276325+7.43540
  • 100+53.76823100+6.94950
  • 1000+49.921391000+6.45230

库存:0