0
登录后你可以
  • 下载海量资料
  • 学习在线课程
  • 观看技术视频
  • 写文章/发帖/加入社区
会员中心
创作中心
发布
  • 发文章

  • 发资料

  • 发帖

  • 提问

  • 发视频

创作活动
M74HC21TTR

M74HC21TTR

  • 厂商:

    STMICROELECTRONICS(意法半导体)

  • 封装:

  • 描述:

    M74HC21TTR - DUAL 4-INPUT AND GATE - STMicroelectronics

  • 详情介绍
  • 数据手册
  • 价格&库存
M74HC21TTR 数据手册
M74HC21 DUAL 4-INPUT AND GATE s s s s s s s HIGH SPEED: tPD = 11ns (TYP.) at VCC = 6V LOW POWER DISSIPATION: ICC = 1µA(MAX.) at TA=25°C HIGH NOISE IMMUNITY: VNIH = V NIL = 28 % VCC (MIN.) SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 4mA (MIN) BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL WIDE OPERATING VOLTAGE RANGE: VCC (OPR) = 2V to 6V PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 21 DIP SOP TSSOP ORDER CODES PACKAGE DIP SOP TSSOP TUBE M74HC21B1R M74HC21M1R T&R M74HC21RM13TR M74HC21TTR DESCRIPTION The M74HC21 is an high speed CMOS DUAL 4-INPUT AND GATE fabricated with silicon gate C2MOS technology. The internal circuit is composed of 3 stages including buffer output, which enables high noise immunity and stable output. All inputs are equipped with protection circuits against static discharge and transient excess voltage. PIN CONNECTION AND IEC LOGIC SYMBOLS August 2001 1/8 M74HC21 INPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN No 1, 9 2, 10 3, 11 4, 12 5, 13 6, 8 7 14 SYMBOL 1A to 2A 1B to 2B N.C. 1C to 2C 1D to 2D 1Y to 2Y GND VCC NAME AND FUNCTION Data Inputs Data Inputs Not Connected Data Inputs Data Inputs Data Outputs Ground (0V) Positive Supply Voltage TRUTH TABLE A L X X X H B X L X X H C X X L X H D X X X L H Y L L L L H ABSOLUTE MAXIMUM RATINGS Symbol VCC VI VO IIK IOK IO Supply Voltage DC Input Voltage DC Output Voltage DC Input Diode Current DC Output Diode Current DC Output Current Parameter Value -0.5 to +7 -0.5 to VCC + 0.5 -0.5 to VCC + 0.5 ± 20 ± 20 ± 25 ± 50 500(*) -65 to +150 300 Unit V V V mA mA mA mA mW °C °C ICC or IGND DC VCC or Ground Current PD Power Dissipation Tstg TL Storage Temperature Lead Temperature (10 sec) Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is not implied (*) 500mW at 65 °C; derate to 300mW by 10mW/°C from 65°C to 85°C RECOMMENDED OPERATING CONDITIONS Symbol VCC VI VO Top tr, tf Supply Voltage Input Voltage Output Voltage Operating Temperature Input Rise and Fall Time VCC = 2.0V VCC = 4.5V VCC = 6.0V Parameter Value 2 to 6 0 to VCC 0 to VCC -55 to 125 0 to 1000 0 to 500 0 to 400 Unit V V V °C ns ns ns 2/8 M74HC21 DC SPECIFICATIONS Test Condition Symbol Parameter VCC (V) 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 4.5 6.0 VOL Low Level Output Voltage 2.0 4.5 6.0 4.5 6.0 II ICC Input Leakage Current Quiescent Supply Current 6.0 6.0 IO=-20 µA IO=-20 µA IO=-20 µA IO=-4.0 mA IO=-5.2 mA IO=20 µA IO=20 µA IO=20 µA IO=4.0 mA IO=5.2 mA VI = VCC or GND VI = VCC or GND TA = 25°C Min. 1.5 3.15 4.2 0.5 1.35 1.8 1.9 4.4 5.9 4.18 5.68 2.0 4.5 6.0 4.31 5.8 0.0 0.0 0.0 0.17 0.18 0.1 0.1 0.1 0.26 0.26 ± 0.1 1 1.9 4.4 5.9 4.13 5.63 0.1 0.1 0.1 0.33 0.33 ±1 10 Typ. Max. Value -40 to 85°C Min. 1.5 3.15 4.2 0.5 1.35 1.8 1.9 4.4 5.9 4.10 5.60 0.1 0.1 0.1 0.40 0.40 ±1 20 µA µA V V Max. -55 to 125°C Min. 1.5 3.15 4.2 0.5 1.35 1.8 Max. V Unit VIH High Level Input Voltage Low Level Input Voltage High Level Output Voltage VIL V VOH AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, Input tr = tf = 6ns) Test Condition Symbol Parameter VCC (V) 2.0 4.5 6.0 2.0 4.5 6.0 TA = 25°C Min. Typ. 30 8 7 40 13 11 Max. 75 15 13 100 20 17 Value -40 to 85°C Min. Max. 95 19 16 125 25 21 -55 to 125°C Min. Max. 110 22 19 150 30 26 ns Unit tTLH tTHL Output Transition Time tPLH tPHL Propagation Delay Time ns CAPACITIVE CHARACTERISTICS Test Condition Symbol Parameter VCC (V) 5.0 5.0 TA = 25°C Min. Typ. 5 25 Max. 10 Value -40 to 85°C Min. Max. 10 -55 to 125°C Min. Max. 10 pF pF Unit CIN CPD Input Capacitance Power Dissipation Capacitance (note 1) 1) 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 operating current can be obtained by the following equation. ICC(opr) = CPD x VCC x fIN + ICC/4 (per gate) 3/8 M74HC21 TEST CIRCUIT CL = 50pF or equivalent (includes jig and probe capacitance) RT = ZOUT of pulse generator (typically 50Ω) WAVEFORM : PROPAGATION DELAY TIME (f=1MHz; 50% duty cycle) 4/8 M74HC21 Plastic DIP-14 MECHANICAL DATA mm. DIM. MIN. a1 B b b1 D E e e3 F I L Z 1.27 3.3 2.54 0.050 8.5 2.54 15.24 7.1 5.1 0.130 0.100 0.51 1.39 0.5 0.25 20 0.335 0.100 0.600 0.280 0.201 1.65 TYP MAX. MIN. 0.020 0.055 0.020 0.010 0.787 0.065 TYP. MAX. inch P001A 5/8 M74HC21 SO-14 MECHANICAL DATA DIM. A a1 a2 b b1 C c1 D E e e3 F G L M S 3.8 4.6 0.5 8.55 5.8 1.27 7.62 4.0 5.3 1.27 0.68 8° (max.) 0.149 0.181 0.019 8.75 6.2 0.35 0.19 0.5 45° (typ.) 0.336 0.228 0.050 0.300 0.157 0.208 0.050 0.026 0.344 0.244 0.1 mm. MIN. TYP MAX. 1.75 0.2 1.65 0.46 0.25 0.013 0.007 0.019 0.003 MIN. inch TYP. MAX. 0.068 0.007 0.064 0.018 0.010 PO13G 6/8 M74HC21 TSSOP14 MECHANICAL DATA mm. DIM. MIN. A A1 A2 b c D E E1 e K L 0° 0.45 0.60 0.05 0.8 0.19 0.09 4.9 6.2 4.3 5 6.4 4.4 0.65 BSC 8° 0.75 0° 0.018 0.024 1 TYP MAX. 1.2 0.15 1.05 0.30 0.20 5.1 6.6 4.48 0.002 0.031 0.007 0.004 0.193 0.244 0.169 0.197 0.252 0.173 0.0256 BSC 8° 0.030 0.004 0.039 MIN. TYP. MAX. 0.047 0.006 0.041 0.012 0.0089 0.201 0.260 0.176 inch A A2 A1 b e K c L E D E1 PIN 1 IDENTIFICATION 1 0080337D 7/8 M74HC21 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. © The ST logo is a registered trademark of STMicroelectronics © 2001 STMicroelectronics - Printed in Italy - All Rights Reserved STMicroelectronics GROUP OF COMPANIES Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia - Malta - Morocco Singapore - Spain - Sweden - Switzerland - United Kingdom © http://www.st.com 8/8
M74HC21TTR
1. 物料型号: - DIP封装:M74HC21B1R - SOP封装:M74HC21M1R - SOP封装(卷带封装):M74HC21RM13TR - TSSOP封装:M74HC21TTR

2. 器件简介: - M74HC21是一款高速CMOS双4输入与非门,采用硅门C2MOS技术制造。内部电路包括缓冲输出的3个阶段,提供高噪声免疫和稳定的输出。

3. 引脚分配: - 1, 9引脚:1A至2A(数据输入) - 2, 10引脚:1B至2B(数据输入) - 3, 11引脚:N.C.(未连接) - 4, 12引脚:1C至2C(数据输入) - 5, 13引脚:1D至2D(数据输入) - 6, 8引脚:1Y至2Y(数据输出) - 7引脚:GND(地,0V) - 14引脚:Vcc(正电源电压)

4. 参数特性: - 工作电压范围:2V至6V - 典型传播延迟:11ns(在6V供电时) - 最大功耗:1μA(在25°C时) - 噪声抗扰度:Vcc的28% - 输出阻抗:高低电平对称,最小4mA

5. 功能详解: - M74HC21包含两个独立的4输入与非门,具有高速和低功耗特性,适用于需要高噪声免疫和稳定输出的应用。

6. 应用信息: - 由于其高速和低功耗特性,M74HC21适用于各种数字电路应用,特别是在需要快速响应和低能耗的场景。

7. 封装信息: - 提供DIP、SOP和TSSOP三种封装方式,具体尺寸和机械数据在文档中有详细描述。
M74HC21TTR 价格&库存

很抱歉,暂时无法提供与“M74HC21TTR”相匹配的价格&库存,您可以联系我们找货

免费人工找货