M74HCT241C1R

M74HCT241C1R

  • 厂商:

    STMICROELECTRONICS(意法半导体)

  • 封装:

  • 描述:

    M74HCT241C1R - OCTAL BUS BUFFER WITH 3 STATE OUTPUTS HCT240: INVERTED - HCT241/244 NON INVERTED - ST...

  • 详情介绍
  • 数据手册
  • 价格&库存
M74HCT241C1R 数据手册
M54HCT240/241/244 M74HCT240/241/244 OCTAL BUS BUFFER WITH 3 STATE OUTPUTS HCT240: INVERTED - HCT241/244 NON INVERTED . . . . . . . HIGH SPEED tPD = 13 ns (TYP.) at VCC = 5V LOW POWER DISSIPATION o 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 54/74LS240/241/244 B1R (Plastic Package) F1R (Ceramic Package) M1R (Micro Package) C1R (Chip Carrier) ORDER CODES : M54HCTXXXF1R M74HCTXXXM1R M74HCTXXXB1R M74HCTXXXC1R DESCRIPTION The M54/74HCT240, HCT241 and HCT244 are high speed CMOS OCTAL BUS BUFFERs fabricated in silicon gate C2MOS technology. They have the same high speed performance of LSTTL combined with true CMOS low power consumption. The designer has a choise of select combination of inverting and non-inverting outputs, symmetrical G (active low output control) input, and complementary G and G inputs. Each control input governs four BUS BUFFERs. This integrated circuit has input and output PIN CONNECTION (top view) HCT240 HCT241 HCT244 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 replacements for LSTTL devices giving a reduction of power consumption. These devices are designed to be used with 3 state memory address drivers, etc. All inputs are equipped with protection circuits against static discharge and transient excess voltage. September 1993 1/12 M54/M74HCT240/241/244 C HIP CARRIER HCT240 HCT241 HCT244 INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION (HCT240) PIN No 1 2, 4, 6, 8 9, 7, 5, 3 11, 13, 15, 17 18, 16, 14, 12 19 10 20 SYMBOL 1G 1A1 to 1A4 2Y1 to 2Y4 2A1 to 2A4 1Y1 to 1Y4 2G GND VCC NAME AND FUNCTION Output Enable Input Data Inputs Data Outputs Data Inputs Data Outputs Output Enabel Input Ground (0V) Positive Supply Voltage PIN DESCRIPTION (HCT241) PIN No 1 2, 4, 6, 8 9, 7, 5, 3 11, 13, 15, 17 18, 16, 14, 12 19 10 20 SYMBOL 1G 1A1 to 1A4 2Y1 to 2Y4 2A1 to 2A4 1Y1 to 1Y4 2G GND V CC NAME AND FUNCTION Output Enable Input Data Inputs Data Outputs Data Inputs Data Outputs Output Enabel Input Ground (0V) Positive Supply Voltage PIN DESCRIPTION (HCT244) PIN No 1 2, 4, 6, 8 9, 7, 5, 3 11, 13, 15, 17 18, 16, 14, 12 19 10 20 SYMBOL 1G 1A1 to 1A4 2Y1 to 2Y4 2A1 to 2A4 1Y1 to 1Y4 2G GND VCC NAME AND FUNCTION Output Enable Input Data Inputs Data Outputs Data Inputs Data Outputs Output Enabel Input Ground (0V) Positive Supply Voltage 2/12 M54/M74HCT240/241/244 I EC LOGIC SYMBOLS HCT240 HCT241 HCT244 TRUTH TABLE INPUT G L L H X: ”H” or ”L” Z: High impedance OUTPUT An L H X Yn (HCT240) H L Z Yn (HCT241) L H Z Yn (HCT244) L H Z G (HCT241) H H L CIRCUIT SCHEMATIC (1/8 PACKAGE) HCT240 HCT241/244 3/12 M54/M74HCT240/241/244 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/M74HCT240/241/244 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=-6.0 mA V IL VI = IO= 20 µA VIH or IO= 6.0 mA V IL VI = VCC or GND VI = VCC or GND Per Input pin VI = 0.5V or 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 ±0.1 4 2.0 TA = 25 oC 54HC and 74HC Min. Typ. Max. 2.0 Value -40 to 85 oC -55 to 125 oC 74HC 54HC Min. Max. Min. Max. 2.0 2.0 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 ±1 40 2.9 4.4 4.10 0.1 V 0.4 ±1 80 3.0 µA µA mA V VOL Low Level Output Voltage 4.5 II ICC ∆ICC Input Leakage Current Quiescent Supply Current Additional worst case supply current 5.5 5.5 5.5 5/12 M54/M74HCT240/241/244 A C ELECTRICAL CHARACTERISTICS (C L = 50 pF, Input t r = tf = 6 ns) Test Conditions Symbol Parameter VCC (V) 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.5 CL (pF) 50 50 150 50 150 50 150 50 RL = 1KΩ RL = 1KΩ RL = 1KΩ TA = 25 C 54HC and 74HC Min. Typ. 7 15 21 15 21 17 23 16 5 10 HCT240 HCT241/244 33 31 Max. 12 22 30 25 33 30 38 30 10 o Value -40 to 85 oC -55 to 125 oC 74HC 54HC Min. Max. 15 28 38 31 41 38 48 38 10 Min. Max. 18 33 45 38 50 45 57 45 10 Unit tTLH tTHL tPLH tPHL tPLH tPHL tPZL tPZH tPLZ tPHZ CIN COUT CPD (*) Output Transition Time Propagation Delay Time Propagation Delay Time Output Enable Time Output Disable Time Input Capacitance Output Capacitance Power Dissipation Capacitance ns ns ns ns ns ns ns ns pF pF pF (*) 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/8 (per circuit) TEST CIRCUIT ICC (Opr.) HCT240 6/12 M54/M74HCT240/241/244 SWITCHING CHARACTERISTICS TEST WAVEFORM 7/12 M54/M74HCT240/241/244 Plastic DIP20 (0.25) MECHANICAL DATA mm MIN. a1 B b b1 D E e e3 F I L Z 3.3 1.34 8.5 2.54 22.86 7.1 3.93 0.130 0.053 0.254 1.39 0.45 0.25 25.4 0.335 0.100 0.900 0.280 0.155 1.65 TYP. MAX. MIN. 0.010 0.055 0.018 0.010 1.000 0.065 inch TYP. MAX. DIM. P001J 8/12 M54/M74HCT240/241/244 Ceramic DIP20 MECHANICAL DATA mm MIN. A B D E e3 F G I L M N1 P Q 7.9 2.29 0.4 1.27 0.22 0.51 0.5 22.86 2.79 0.55 1.52 0.31 1.27 0.090 0.016 0.050 0.009 0.020 3.3 1.78 0.020 0.900 0.110 0.022 0.060 0.012 0.050 TYP. MAX. 25 7.8 0.130 0.070 MIN. inch TYP. MAX. 0.984 0.307 DIM. 4° (min.), 15° (max.) 8.13 5.71 0.311 0.320 0.225 P057H 9/12 M54/M74HCT240/241/244 SO20 MECHANICAL DATA DIM. MIN. A a1 a2 b b1 C c1 D E e e3 F L M S 7.40 0.50 12.60 10.00 1.27 11.43 7.60 1.27 0.75 8° (max.) 0.291 0.19 13.00 10.65 0.35 0.23 0.50 45° (typ.) 0.496 0.393 0.050 0.450 0.299 0.050 0.029 0.512 0.419 0.10 mm TYP. MAX. 2.65 0.20 2.45 0.49 0.32 0.013 0.009 0.020 0.004 MIN. inch TYP. MAX. 0.104 0.007 0.096 0.019 0.012 P013L 10/12 M54/M74HCT240/241/244 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/M74HCT240/241/244 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
M74HCT241C1R
物料型号: - M54HCT240/241/244 - M74HCT240/241/244

器件简介: M54/74HCT240, HCT241和HCT244是高速CMOS八路总线缓冲器,采用硅门C²MOS技术制造。这些器件与54/74 LSTTL逻辑系列完全兼容,设计用于直接将HSC²MOS系统与TTL和NMOS组件接口。它们具有LSTTL的高速性能,同时具有真正的CMOS低功耗特性。设计者可以选择组合反相和非反相输出、对称的G(活动低输出控制)输入和互补的G和G̅输入。每个控制输入管理四个总线缓冲器。

引脚分配: - 1G:输出使能输入 - 1A1到1A4:数据输入 - 2Y1到2Y4:数据输出 - 2A1到2A4:数据输入 - 1Y1到1Y4:数据输出 - 2G:输出使能输入

参数特性: - 高速:tPD = 13 ns(典型值)在VCC = 5V时 - 低功耗:ICC = 4 µA(最大值)在Ta=25°C时 - 与TTL输出兼容:VIH=2V(最小值)VIL=0.8V(最大值) - 输出驱动能力:15 LSTTL负载 - 对称输出阻抗:|IOH| = IOL = 6 mA(最小值) - 平衡传播延迟:tPLH = tPHL

功能详解: 这些集成电路具有输入和输出功能,每个控制输入管理四个总线缓冲器。它们可以作为LSTTL设备的插入式替代品,从而降低功耗。这些设备设计用于与三态存储器地址驱动器等一起使用。所有输入都配备了防静电放电和瞬态过电压的保护电路。

应用信息: 这些设备可以直接替换LSTTL设备,减少功耗,适用于高速CMOS系统与TTL和NMOS组件的接口。

封装信息: - B1R(塑料封装) - F1R(陶瓷封装) - M1R(微封装) - C1R(芯片载体)
M74HCT241C1R 价格&库存

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