74V1T79CTR

74V1T79CTR

  • 厂商:

    STMICROELECTRONICS(意法半导体)

  • 封装:

  • 描述:

    74V1T79CTR - SINGLE POSITIVE EDGE TRIGGERED D-TYPE FLIP-FLOP - STMicroelectronics

  • 详情介绍
  • 数据手册
  • 价格&库存
74V1T79CTR 数据手册
74V1T79 SINGLE POSITIVE EDGE TRIGGERED D-TYPE FLIP-FLOP s s s s s s s s HIGH SPEED: fMAX = 180MHz (TYP.) at VCC = 5V tCK-Q = 3.9ns (TYP.) at VCC = 5V LOW POWER DISSIPATION: ICC = 1µA(MAX.) at TA=25°C COMPATIBLE WITH TTL OUTPUTS: VIH = 2V (MIN), VIL = 0.8V (MAX) POWER DOWN PROTECTION ON INPUTS SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 8mA (MIN) at VCC = 4.5V BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL OPERATING VOLTAGE RANGE: VCC(OPR) = 4.5V to 5.5V IMPROVED LATCH-UP IMMUNITY SOT23-5L SOT323-5L ORDER CODES PACKAGE SOT23-5L SOT323-5L T&R 74V1T79STR 74V1T79CTR DESCRIPTION The 74V1T79 is an advanced high-speed CMOS SINGLE POSITIVE EDGE TRIGGERED D-TYPE FLIP-FLOP fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology. It is designed to operate from 4.5V to 5.5V, making this device ideal for portable applications. This D-Type flip-flop is controlled by a clock input (CK). On the positive transition of the clock, the Q output will be set to the logic state that was setup at the D input. PIN CONNECTION AND IEC LOGIC SYMBOLS Following the hold time interval, data at the D input can be changed without affecting the level at the output. Power down protection is provided on inputs and 0 to 7V can be accepted on inputs with no regard to the supply voltage. This device can be used to interface 5V to 3V systems. It’s available in the commercial and extended temperature range. All inputs and output are equipped with protection circuits against static discharge, giving them ESD immunity and transient excess voltage. April 2004 1/9 74V1T79 INPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN N° 1 2 4 3 5 SYMBOL D CK Q GND VCC NAME AND FUNCTION Data Input Clock Input (Positive Edge) Flip-Flop Output Ground (0V) Positive Supply Voltage TRUTH TABLE D L H L H CK Q L H Qn Qn 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 -0.5 to +7.0 -0.5 to VCC + 0.5 - 20 ± 20 ± 25 ± 50 -65 to +150 300 Unit V V V mA mA mA mA °C °C ICC or IGND DC VCC or Ground Current Tstg Storage Temperature TL 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 RECOMMENDED OPERATING CONDITIONS Symbol VCC VI VO Top dt/dv Supply Voltage Input Voltage Output Voltage Operating Temperature Input Rise and Fall Time (note 1) (VCC = 5.0 ± 0.5V) Parameter Value 4.5 to 5.5 0 to 5.5 0 to VCC -55 to 125 0 to 20 Unit V V V °C ns/V 1) VIN from 0.8V to 2V 2/9 74V1T79 DC SPECIFICATIONS Test Condition Symbol Parameter VCC (V) 4.5 to 5.5 4.5 to 5.5 4.5 4.5 4.5 4.5 0 to 5.5 5.5 5.5 IO=-50 µA IO=-8 mA IO=50 µA IO=8 mA VI = 5.5V or GND VI = VCC or GND One Input at 3.4V, other input at VCC or GND TA = 25°C Min. 2 0.8 4.4 3.94 0.0 0.1 0.36 ± 0.1 1 1.35 4.5 4.4 3.8 0.1 0.44 ± 1.0 10 1.5 Typ. Max. Value -40 to 85°C Min. 2 0.8 4.4 3.7 0.1 0.55 ± 1.0 20 1.5 µA µA mA V Max. -55 to 125°C Min. 2 0.8 Max. V V V Unit VIH VIL VOH VOL II ICC +ICC High Level Input Voltage Low Level Input Voltage High Level Output Voltage Low Level Output Voltage Input Leakage Current Quiescent Supply Current Additional Worst Case Supply Current AC ELECTRICAL CHARACTERISTICS (Input tr = tf = 3ns) Test Condition Symbol Parameter VCC (V) 5.0 (*) 5.0 (*) 5.0 (*) 5.0 (*) 5.0 (*) 5.0 (*) 50 CL (pF) 15 50 3.0 2.0 1.0 120 180 TA = 25°C Min. Typ. 3.9 4.5 Max. 5.5 6.5 Value -40 to 85°C Min. 1.0 1.0 3.0 2.0 1.0 120 Max. 6.5 7.5 -55 to 125°C Min. 1.0 1.0 3.0 2.0 1.0 120 Max. 7.5 8.5 ns ns ns ns MHz Unit tPLH tPHL Propagation Delay Time CK to Q tW ts th fMAX CK Pulse Width, HIGH or LOW Setup Time D to CK, HIGH or LOW Hold Time D to CK, HIGH or LOW Maximum Clock Frequency (*) Voltage range is 5.0V ± 0.5V CAPACITIVE CHARACTERISTICS Test Condition Symbol Parameter TA = 25°C Min. CIN CPD Input Capacitance Power Dissipation Capacitance (note 1) Typ. 4 8 Max. 10 Value -40 to 85°C Min. Max. 10 -55 to 125°C Min. Max. 10 pF pF Unit 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 3/9 74V1T79 TEST CIRCUIT CL = 15/50pF or equivalent (includes jig and probe capacitance) RT = ZOUT of pulse generator (typically 50Ω) WAVEFORM: PROPAGATION DELAY, SETUP AND HOLD TIMES (f=1MHz; 50% duty cycle) 4/9 74V1T79 SOT23-5L MECHANICAL DATA mm. DIM. MIN. A A1 A2 b C D E e H L 2.60 0.10 0.90 0.00 0.90 0.35 0.09 2.80 1.50 0.95 3.00 0.60 102.3 3.9 TYP MAX. 1.45 0.10 1.30 0.50 0.20 3.00 1.75 MIN. 35.4 0.0 35.4 13.7 3.5 110.2 59.0 37.4 118.1 23.6 TYP. MAX. 57.1 3.9 51.2 19.7 7.8 118.1 68.8 mils . 7049676C 5/9 74V1T79 SOT323-5L MECHANICAL DATA mm. DIM. MIN. A A1 A2 b C D E E1 e e1 L 0.10 0.80 0.00 0.80 0.15 0.10 1.80 1.80 1.15 0 .65 1.3 0.30 3.9 TYP MAX. 1.10 0.10 1.00 0.30 0.18 2.20 2.40 1.35 MIN. 31.5 0.0 31.5 5.9 3.9 70.9 70.9 45.3 25.6 51.2 11.8 TYP. MAX. 43.3 3.9 39.4 11.8 7.1 86.6 94.5 53.1 mils 6/9 74V1T79 Tape & Reel SOT23-xL MECHANICAL DATA mm. DIM. MIN. A C D N T Ao Bo Ko Po P 3.13 3.07 1.27 3.9 3.9 3.23 3.17 1.37 4.0 4.0 12.8 20.2 60 14.4 3.33 3.27 1.47 4.1 4.1 0.123 0.120 0.050 0.153 0.153 0.127 0.124 0.054 0.157 0.157 13.0 TYP MAX. 180 13.2 0.504 0.795 2.362 0.567 0.131 0.128 0.0.58 0.161 0.161 0.512 MIN. TYP. MAX. 7.086 0.519 inch 7/9 74V1T79 Tape & Reel SOT323-xL MECHANICAL DATA mm. DIM. MIN. A C D N T Ao Bo Ko Po P 3.9 3.8 2.25 2.7 1.2 4 4 4.1 4.2 0.153 0.149 175 12.8 20.2 59.5 60 60.5 14.4 0.088 0.106 0.047 0.157 0.157 0.161 0.165 TYP 180 13 MAX. 185 13.2 MIN. 6.889 0.504 0.795 2.362 0.567 TYP. 7.086 0.512 MAX. 7.283 0.519 inch 8/9 74V1T79 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 All other names are the property of their respective owners © 2004 STMicroelectronics - All Rights Reserved STMicroelectronics GROUP OF COMPANIES Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States. http://www.st.com 9/9
74V1T79CTR
1. 物料型号: - 74V1T79

2. 器件简介: - 74V1T79是一款高速CMOS单正边沿触发D型触发器,采用亚微米硅门和双层金属布线C2MOS技术制造。设计工作电压为4.5V至5.5V,适用于便携式应用。该D型触发器由时钟输入(CK)控制,在时钟的正跳变边沿,Q输出将被设置为D输入的逻辑状态。

3. 引脚分配: - 1号引脚:D(数据输入) - 2号引脚:CK(时钟输入,正边沿) - 3号引脚:GND(地,0V) - 4号引脚:Q(触发器输出) - 5号引脚:Vcc(正供电电压)

4. 参数特性: - 最大工作频率:5V供电时180MHz(典型值) - 时钟到输出的延迟:3.9ns(典型值,5V供电) - 工作电压范围:4.5V至5.5V - 低功耗:25°C时最大1μA - 兼容TTL输出:最小2V高电平输入电压,最大0.8V低电平输入电压 - 对称输出阻抗:|Ioh|=Iol=8mA(最小值,4.5V供电)

5. 功能详解: - 该触发器在D输入的数据在经过保持时间间隔后可以改变,而不影响输出电平。输入提供掉电保护,可以在不考虑供电电压的情况下接受0至7V的输入。该设备可用于5V至3V系统的接口。 - 所有输入和输出均配备有防静电放电保护电路,具有ESD免疫和瞬态过电压保护。

6. 应用信息: - 该触发器可用于需要高速和低功耗的便携式应用场合,也可用于5V至3V系统的接口。

7. 封装信息: - SOT23-5L封装的订购代码为74V1T79STR - SOT323-5L封装的订购代码为74V1T79CTR
74V1T79CTR 价格&库存

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