M74HCT258C1R

M74HCT258C1R

  • 厂商:

    STMICROELECTRONICS(意法半导体)

  • 封装:

  • 描述:

    M74HCT258C1R - HCT257 QUAD 2 CHANNEL MULTIPLEXER 3-STATE HCT258 QUAD 2 CHANNEL MULTIPLEXER 3-STATE, ...

  • 详情介绍
  • 数据手册
  • 价格&库存
M74HCT258C1R 数据手册
M 54/M74HCT257 M54/M74HCT258 HCT257 QUAD 2 CHANNEL MULTIPLEXER (3-STATE) HCT258 QUAD 2 CHANNEL MULTIPLEXER (3-STATE, INVERTING) . . . . . . . HIGH SPEED tPD = 16 ns (TYP.) at VCC = 5 V LOW POWER DISSIPATION ICC = 4 µA (MAX.) at TA = 25 °C COMPATIBLE WITH TTL OUTPUTS VIH = 2V (MIN.) VIL = 0.8V (MAX) OUTPUT DRIVE CAPABILITY 15 LSTTL LOADS SYMMETRICAL OUTPUT IMPEDANCE IOH = IOL = 6 mA (MIN.) BALANCED PROPAGATION DELAYS tPLH = tPHL PIN AND FUNCTION COMPATIBLE WITH 54/74LS257/258 B1R (Plastic Package) F1R (Ceramic Package) M1R (Micro Package) C1R (Chip Carrier) ORDER CODES : M54HCTXXXF1R M74HCTXXXM1R M74HCTXXXB1R M74HCTXXXC1R DESCRIPTION The M54/74HCT257 and the M54/74HCT258 are high speed CMOS MULTIPLEXERs fabricated with silicon gate C2MOS technology. They have the same high speed performance of LSTTL combined with true CMOS low power consumption. These IC’s are composed of an independent 2channel multiplexer with common SELECT and ENABLE INPUT. The M54/74HCT258 is an inverting multiplexer while the M54/74HCT257 is a non-inverting multiplexer. When the ENABLE INPUT is held ”High”, outputs of both IC’s become high-impedance state. If SELECT INPUT is held ”Low”, ”A” data is selected, when SELECT INPUT is high ”H”, ”B” data is chosen. All inputs are equipped with protection circuits against static discharge and transient excess voltage. This integrated circuit has input and output characteristics that are fully compatible with 54/74 LSTTL logic families. M54/74HCT devices are designed to directly interface HSC2MOS systems with TTL and NMOS components. They are also plug in replace- PIN CONNECTIONS (top view) HCT257 HCT258 February 1993 1/12 M54/M74HCT257/258 I NPUT AND OUTPUT EQUIVALENT CIRCUIT CHIP CARRIER HCT257 HCT258 NC = No Internal Connection PIN DESCRIPTION (HCT257) PIN No 1 2, 5, 14, 11 3, 6, 13, 10 4, 7, 12, 9 15 8 16 SYMBOL SELECT 1A to 4A 1B to 4B 1Y to 4Y OE GND V CC NAME AND FUNCTION Common Data Select Input Data Input From Source A Data Inputs from Source B 3 State Multiplexer Outputs 3 State Output Enable Inputs (Active LOW) Ground (0V) Positive Supply Voltage PIN DESCRIPTION (HCT258) PIN No 1 2, 5, 14, 11 3, 6, 13, 10 4, 7, 12, 9 15 8 16 SYMBOL SELECT 1A to 4A 1B to 4B 1Y to 4Y OE GND VCC NAME AND FUNCTION Common Data Select Input Data Input From Source A Data Inputs from Source B 3 State Multiplexer Outputs 3 State Output Enable Inputs (Active LOW) Ground (0V) Positive Supply Voltage 2/12 M54/M74HCT257/258 I EC LOGIC SYMBOL HCT257 HCT258 LOGIC DIAGRAM HCT257 HCT258 TRUTH TABLE INPUTS OE H L L L L SELECT X L L H H A X L H X X B X X X L H Y (257) Z L H L H OUTPUTS Y (258) Z H L H L X = DON’T CARE Z = HIGH IMPEDANCE 3/12 M54/M74HCT257/258 A BSOLUTE MAXIMUM RATINGS Symbol VCC VI VO IIK IOK IO ICC or IGND PD Tstg TL Supply Voltage DC Input Voltage DC Output Voltage DC Input Diode Current DC Output Diode Current DC Output Source Sink Current Per Output Pin DC VCC or Ground Current Power Dissipation Storage Temperature Lead Temperature (10 sec) Parameter Value -0.5 to +7 -0.5 to VCC + 0.5 -0.5 to VCC + 0.5 ± 20 ± 20 ± 35 ± 70 500 (*) -65 to +150 300 Unit V V V mA mA mA mA mW o o C C Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition isnotimplied. (*) 500 mW: ≅ 65 oC derate to 300 mW by 10mW/oC: 65 oC to 85 oC RECOMMENDED OPERATING CONDITIONS Symbol VCC VI VO Top tr, tf Parameter Supply Voltage Input Voltage Output Voltage Operating Temperature: M54HC Series M74HC Series Input Rise and Fall Time (VCC = 4.5 to 5.5V) Value 4.5 to 5.5 0 to VCC 0 to VCC -55 to +125 -40 to +85 0 to 500 Unit V V V C o C ns o 4/12 M54/M74HCT257/258 D C SPECIFICATIONS Test Conditions Symbol Parameter VCC (V) 4.5 to 5.5 4.5 to 5.5 4.5 VI = IO=-20 µA VIH or IO=-4.0 mA V IL VI = IO= 20 µA VIH or IO= 4.0 mA V IL VI = VCC or GND VI = VCC or GND VI = VCC or GND Per Input pin VI = 0.5V or V I = 2.4V Other Inputs at V CC or GND 4.4 4.18 4.5 4.31 0.0 0.17 0.1 0.26 ±0.5 ±0.1 1 2.0 TA = 25 oC 54HC and 74HC Min. 2.0 Typ. Max. Value -40 to 85 oC -55 to 125 oC 74HC 54HC Min. 2.0 Max. Min. 2.0 Max. Unit VIH High Level Input Voltage Low Level Input Voltage High Level Output Voltage V V IL 0.8 0.8 0.8 V V OH 4.4 4.13 0.1 0.33 ±5 ±1 10 2.9 4.4 4.10 0.1 0.4 ±10 ±1 20 3.0 V µA µA µA mA V VOL Low Level Output Voltage 4.5 IOZ II ICC ∆ICC 3-State Output Off State Current Input Leakage Current Quiescent Supply Current Additional worst case supply current 5.5 5.5 5.5 5.5 5/12 M54/M74HCT257/258 A C ELECTRICAL CHARACTERISTICS (C L = 50 pF, Input t r = tf = 6 ns) Test Conditions Symbol Parameter VCC (V) 4.5 4.5 HCT257 HCT258 4.5 TA = 25 C 54HC and 74HC Min. Typ. 7 19 17 20 Max. 12 30 27 30 o Value -40 to 85 oC -55 to 125 oC 74HC 54HC Min. Max. 15 38 34 38 Min. Max. 18 45 41 45 Unit tTLH tTHL tPLH tPHL tPLH tPHL tPZL tPZH tPLZ tPHZ CIN COUT CPD (*) Output Transition Time Propagation Delay Time (A, B - Y) Propagation Delay Time (SELECT - Y) Output Enable Time Output Disable Time Input Capacitance Output Capacitance Power Dissipation Capacitance ns ns ns 4.5 4.5 RL = 1 KΩ RL = 1 KΩ 18 16 5 10 30 30 10 38 38 10 45 45 10 ns ns pF pF pF HCT257 HCT258 34 33 (*) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load. (Refer to Test Circuit). Average operting current can be obtained by the following equation. ICC(opr) = CPD • VCC • fIN + ICC/4 (per Channel) 6/12 M54/M74HCT257/258 SWITCHING CHARACTERISTICS TEST WAVEFORM TEST CIRCUIT ICC (Opr.) C PD CALCULATION CPD is to be calculated with the following formula by using the measured value of ICC (opr.) in the test circuit opposite. ICC ( opr) CPD = fIN × VCC INPUT WAVEFORM IS THE SAME AS THAT IN CASE OF SWITCHING CHARACTERSISTICS TESt. 7/12 M54/M74HCT257/258 Plastic DIP16 (0.25) MECHANICAL DATA mm MIN. a1 B b b1 D E e e3 F I L Z 3.3 1.27 8.5 2.54 17.78 7.1 5.1 0.130 0.050 0.51 0.77 0.5 0.25 20 0.335 0.100 0.700 0.280 0.201 1.65 TYP. MAX. MIN. 0.020 0.030 0.020 0.010 0.787 0.065 inch TYP. MAX. DIM. P001C 8/12 M54/M74HCT257/258 Ceramic DIP16/1 MECHANICAL DATA mm MIN. A B D E e3 F G H L M N P Q 7.8 2.29 0.4 1.17 0.22 0.51 0.38 17.78 2.79 0.55 1.52 0.31 1.27 10.3 8.05 5.08 0.307 0.090 0.016 0.046 0.009 0.020 3.3 0.015 0.700 0.110 0.022 0.060 0.012 0.050 0.406 0.317 0.200 TYP. MAX. 20 7 0.130 MIN. inch TYP. MAX. 0.787 0.276 DIM. P053D 9/12 M54/M74HCT257/258 SO16 (Narrow) MECHANICAL DATA DIM. MIN. A a1 a2 b b1 C c1 D E e e3 F G L M S 3.8 4.6 0.5 9.8 5.8 1.27 8.89 4.0 5.3 1.27 0.62 8° (max.) 0.149 0.181 0.019 10 6.2 0.35 0.19 0.5 45° (typ.) 0.385 0.228 0.050 0.350 0.157 0.208 0.050 0.024 0.393 0.244 0.1 mm TYP. MAX. 1.75 0.2 1.65 0.46 0.25 0.013 0.007 0.019 0.004 MIN. inch TYP. MAX. 0.068 0.007 0.064 0.018 0.010 P013H 10/12 M54/M74HCT257/258 PLCC20 MECHANICAL DATA mm MIN. A B D d1 d2 E e e3 F G M M1 1.27 1.14 7.37 1.27 5.08 0.38 0.101 0.050 0.045 9.78 8.89 4.2 2.54 0.56 8.38 0.290 0.050 0.200 0.015 0.004 TYP. MAX. 10.03 9.04 4.57 MIN. 0.385 0.350 0.165 0.100 0.022 0.330 inch TYP. MAX. 0.395 0.356 0.180 DIM. P027A 11/12 M54/M74HCT257/258 Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsability for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may results from its use. No license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use ascritical components in life support devices or systems without express written approval of SGS-THOMSON Microelectonics. © 1994 SGS-THOMSON Microelectronics - All Rights Reserved SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A 12/12
M74HCT258C1R
物料型号: - M54/M74HCT257 - M54/M74HCT258

器件简介: - HCT257和HCT258是高速CMOS多路复用器,采用硅门C²MOS技术制造,具有LSTTL的高速性能和真正的CMOS低功耗特性。 - HCT257是非反相多路复用器,HCT258是反相多路复用器。 - 这两个集成电路由独立的2通道多路复用器组成,具有共同的SELECT和ENABLE输入。

引脚分配: - HCT257和HCT258都有16个引脚,包括数据选择输入(SELECT)、数据输入(1A到4A和1B到4B)、多路复用器输出(1Y到4Y)、输出使能输入(OE)、地(GND)和正电源电压(Vcc)。

参数特性: - 供电电压(Vcc):-0.5到+7V - 输入电压(V1):-0.5到Vcc + 0.5V - 输出电压(Vo):-0.5到Vcc + 0.5V - 输入二极管电流(K):±20mA - 输出二极管电流(loK):±20mA - 输出源/汇电流每输出引脚(lo):±35mA - Vcc或地电流(Icc或IGND):±70mA - 功耗(PD):500mW() - 存储温度(Tstg):-65到+150℃ - 引脚温度(TL):300℃

功能详解: - 当ENABLE输入为“高”时,两个集成电路的输出都变为高阻抗状态。 - 如果SELECT输入为“低”,则选择“A”数据;当SELECT输入为“高”时,选择“B”数据。

应用信息: - HCT257和HCT258设计用于直接将HSC2MOS系统与TTL和NMOS组件接口连接。 - 它们也可用于M54/M74HCT257和M54/M74HCT258的插针替换。

封装信息: - 提供了多种封装选项,包括塑料DIP16(0.25英寸)、陶瓷DIP16/1、SO16(窄体)和PLCC20。
M74HCT258C1R 价格&库存

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