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74LVC573A

74LVC573A

  • 厂商:

    STMICROELECTRONICS(意法半导体)

  • 封装:

  • 描述:

    74LVC573A - OCTAL D-TYPE LATCH HIGH PERFORMANCE - STMicroelectronics

  • 详情介绍
  • 数据手册
  • 价格&库存
74LVC573A 数据手册
74LVC573A OCTAL D-TYPE LATCH HIGH PERFORMANCE s s s s s s s s s s 5V TOLERANT INPUTS HIGH SPEED: tPD = 6.8ns (MAX.) at VCC = 3V POWER DOWN PROTECTION ON INPUTS AND OUTPUTS SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 24mA (MIN) at VCC = 3V PCI BUS LEVELS GUARANTEED AT 24 mA BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL OPERATING VOLTAGE RANGE: VCC(OPR) = 1.65V to 3.6V (1.2V Data Retention) PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 573 LATCH-UP PERFORMANCE EXCEEDS 500mA (JESD 17) ESD PERFORMANCE: HBM > 2000V (MIL STD 883 method 3015); MM > 200V SOP TSSOP Table 1: Order Codes PACKAGE SOP TSSOP T&R 74LVC573AMTR 74LVC573ATTR DESCRIPTION The 74LVC573A is a low voltage CMOS OCTAL D-TYPE LATCH fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology. It is ideal for 1.65 to 3.6 VCC operations and low power and low noise applications. These 8 bit D-Type latch are controlled by a latch enable input (LE) and an output enable input (OE). While the LE inputs is held at a high level, the Q Figure 1: Pin Connection And IEC Logic Symbols outputs will follow the data input precisely or inversely. When the LE is taken low, the Q outputs will be latched precisely or inversely at the logic level of D input data. While the (OE) input is low, the 8 outputs will be in a normal logic state (high or low logic level) and while high level the outputs will be in a high impedance state. This device is designed to interface directly High Speed CMOS systems with TTL and NMOS components. It has more speed performance at 3.3V than 5V AC/ACT family, combined with a lower power consumption. All inputs are equipped with protection circuits against static discharge, giving them 2KV ESD immunity and transient excess voltage. July 2004 Rev. 3 1/13 74LVC573A Figure 2: Input And Output Equivalent Circuit Table 2: Pin Description PIN N° 1 2, 3, 4, 5, 6, 7, 8, 9 12, 13, 14, 15, 16, 17, 18, 19 11 10 20 SYMBOL OE D0 to D7 Q0 to Q7 NAME AND FUNCTION 3 State Output Enable Input (Active LOW) Data Inputs 3-State Latch Outputs Table 3: Truth Table INPUTS OE H L L L X : Don’t Care Z : High Impedance OUTPUT D X X L H Q Z NO CHANGE L H LE X L H H LE GND VCC Latch Enable Input Ground (0V) Positive Supply Voltage Table 4: Absolute Maximum Ratings Symbol VCC VI VO VO IIK IOK IO Supply Voltage DC Input Voltage DC Output Voltage (VCC = 0V) DC Output Voltage (High or Low State) (note 1) DC Input Diode Current DC Output Diode Current (note 2) DC Output Current Parameter Value -0.5 to +7.0 -0.5 to +7.0 -0.5 to +7.0 -0.5 to VCC + 0.5 - 50 - 50 ± 50 ± 100 -65 to +150 300 Unit V V V V mA mA mA mA °C °C ICC or IGND DC VCC or Ground Current per Supply Pin Storage Temperature Tstg 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 1) IO absolute maximum rating must be observed 2) VO < GND 2/13 74LVC573A Table 5: Recommended Operating Conditions Symbol VCC VI VO VO IOH, IOL IOH, IOL IOH, IOL IOH, IOL Top dt/dv Supply Voltage (note 1) Input Voltage Output Voltage (VCC = 0V) Output Voltage (High or Low State) High or Low Level Output Current (VCC = 3.0 to 3.6V) High or Low Level Output Current (VCC = 2.7 to 3.0V) High or Low Level Output Current (VCC = 2.3 to 2.7V) High or Low Level Output Current (VCC = 1.65 to 2.3V) Operating Temperature Input Rise and Fall Time (note 2) Parameter Value 1.65 to 3.6 0 to 5.5 0 to 5.5 0 to VCC ± 24 ± 12 ±8 ±4 -55 to 125 0 to 10 Unit V V V V mA mA mA mA °C ns/V 1) Truth Table guaranteed: 1.2V to 3.6V 2) VIN from 0.8V to 2V at VCC = 3.0V Table 6: DC Specifications Test Condition Symbol Parameter VCC (V) 1.65 to 1.95 2.3 to 2.7 2.7 to 3.6 1.65 to 1.95 2.3 to 2.7 2.7 to 3.6 1.65 to 3.6 1.65 2.3 2.7 3.0 3.0 VOL Low Level Output Voltage 1.65 to 3.6 1.65 2.3 2.7 3.0 II Ioff IOZ Input Leakage Current Power Off Leakage Current High Impedance Output Leakage Current Quiescent Supply Current ICC incr. per Input 3.6 0 3.6 IO=-100 µA IO=-4 mA IO=-8 mA IO=-12 mA IO=-18 mA IO=-24 mA IO=100 µA IO=4 mA IO=8 mA IO=12 mA IO=24 mA VI = 0 to 5.5V VI or VO = 5.5V VI = VIH or VIL VO = 0 to 5.5V VI = VCC or GND 3.6 2.7 to 3.6 VI or VO = 3.6 to 5.5V VIH = VCC-0.6V VCC-0.2 1.2 1.7 2.2 2.4 2.2 0.2 0.45 0.7 0.4 0.55 ±5 10 ±5 -40 to 85 °C Min. 0.65VCC 1.7 2 0.35VCC 0.7 0.8 VCC-0.2 1.2 1.7 2.2 2.4 2.2 0.2 0.45 0.7 0.4 0.55 ±5 10 ±5 µA µA µA V V Max. Value -55 to 125 °C Min. 0.65VCC 1.7 2 0.35VCC 0.7 0.8 V V Max. Unit VIH High Level Input Voltage Low Level Input Voltage High Level Output Voltage VIL VOH ICC 10 ± 10 500 10 ± 10 500 µA µA 3/13 ∆ICC 74LVC573A Table 7: Dynamic Switching Characteristics Test Condition Symbol Parameter VCC (V) 3.3 CL = 50pF VIL = 0V, VIH = 3.3V Value TA = 25 °C Min. Typ. 0.8 -0.8 Max. V Unit VOLP VOLV Dynamic Low Level Quiet Output (note 1) 1) Number of output defined as "n". Measured with "n-1" outputs switching from HIGH to LOW or LOW to HIGH. The remaining output is measured in the LOW state. Table 8: AC Electrical Characteristics Test Condition Symbol Parameter VCC (V) 1.65 to 1.95 2.3 to 2.7 2.7 3.0 to 3.6 1.65 to 1.95 2.3 to 2.7 2.7 3.0 to 3.6 1.65 to 1.95 2.3 to 2.7 2.7 3.0 to 3.6 1.65 to 1.95 2.3 to 2.7 2.7 3.0 to 3.6 1.65 to 1.95 2.3 to 2.7 2.7 3.0 to 3.6 1.65 to 1.95 2.3 to 2.7 2.7 3.0 to 3.6 1.65 to 1.95 2.3 to 2.7 2.7 3.0 to 3.6 2.7 to 3.6 CL (pF) 30 30 50 50 30 30 50 50 30 30 50 50 30 30 50 50 30 30 50 50 30 30 50 50 30 30 50 50 RL (Ω ) 1000 500 500 500 1000 500 500 500 1000 500 500 500 1000 500 500 500 1000 500 500 500 1000 500 500 500 1000 500 500 500 ts = t r (ns) 2.0 2.0 2.5 2.5 2.0 2.0 2.5 2.5 2.0 2.0 2.5 2.5 2.0 2.0 2.5 2.5 2.0 2.0 2.5 2.5 2.0 2.0 2.5 2.5 2.0 2.0 2.5 2.5 -40 to 85 °C Min. Max. TBD TBD 7.8 6.8 TBD TBD 7.8 6.8 TBD TBD 8.7 7.7 TBD TBD 7.6 7.0 Value -55 to 125 °C Min. Max. TBD TBD 9.4 8.2 TBD TBD 9.4 8.2 TBD TBD 10.4 9.2 TBD TBD 9.1 8.4 Unit tPLH tPHL Propagation Delay Time D to Q 1.5 1 1.5 1 ns tPLH tPHL Propagation Delay Time LE to Q 1.5 1 1.5 1 ns tPZL tPZH Output Enable Time 1 1 1 1 ns tPLZ tPHZ Output Disable Time tW LE Pulse Width HIGH ts Setup Time D to LE, (HIGH to LOW) th Hold Time LE (HIGH to LOW) to D 2 2 TBD TBD 3.3 3.3 TBD TBD 2 2 TBD TBD 1.5 1.5 2 2 TBD TBD 3.3 3.3 TDB TBD 2 2 TBD TBD 1.5 1.5 ns ns ns ns tOSLH tOSHL Output To Output Skew Time (note1, 2) 1 1 ns 1) Skew is defined as the absolute value of the difference between the actual propagation delay for any two outputs of the same device switching in the same direction, either HIGH or LOW (tOSLH = | tPLHm - tPLHn|, tOSHL = | tPHLm - tPHLn| 2) Parameter guaranteed by design 4/13 74LVC573A Table 9: Capacitive Characteristics Test Condition Symbol Parameter VCC (V) Value TA = 25 °C Min. fIN = 10MHz Typ. 4 1.8 2.5 3.3 28 30 34 Max. 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/n (per circuit) Figure 3: Test Circuit RT = ZOUT of pulse generator (typically 50Ω) Table 10: Test Circuit And Waveform Symbol Value Symbol 1.65 to 1.95V CL RL = R1 VS VIH VM VOH VX VY tr = tr 30pF 1000Ω 2 x VCC VCC VCC/2 VCC VOL + 0.15V VOH - 0.15V
74LVC573A
1. 物料型号: - 型号为74LVC573A,是一款低电压CMOS八路D型锁存器。

2. 器件简介: - 74LVC573A采用亚微米硅门和双层金属连线C2MOS技术制造,适用于1.65V至3.6V的工作电压范围,适合低功耗和低噪声应用。该器件包含8位D型锁存器,由锁存使能输入(LE)和输出使能输入(OE)控制。

3. 引脚分配: - OE(1脚):三态输出使能输入(低电平有效)。 - DO至D7(2至9脚):数据输入。 - Q0至Q7(12至19脚):三态锁存输出。 - LE(11脚):锁存使能输入。 - GND(10脚):地(0V)。 - Vcc(20脚):正电源电压。

4. 参数特性: - 工作电压范围:1.65V至3.6V(数据保持1.2V)。 - 高速性能:在3V电源下,$t_{PD}=6.8ns$(最大值)。 - 电源关闭保护:输入和输出均具备。 - 对称输出阻抗:$|I_{OH}|=I_{OL}=24mA$(最小值)在3V电源下。 - 抗静电性能:HBM > 2000V(MIL STD 883方法3015)。

5. 功能详解: - 当LE为低电平时,Q输出将根据D输入数据的逻辑电平精确或反向锁存。当OE为低电平时,8个输出将处于正常逻辑状态;当OE为高电平时,输出将处于高阻态。

6. 应用信息: - 设计用于直接将高速CMOS系统与TTL和NMOS组件接口。与5V AC/ACT系列相比,在3.3V下速度性能更高,同时功耗更低。

7. 封装信息: - SOP封装型号为74LVC573AMTR。 - TSSOP封装型号为74LVC573ATTR。
74LVC573A 价格&库存

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