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| TECHNICAL DATA IN74HC573A Octal 3-State Noninverting Transparent Latch High-Performance Silicon-Gate CMOS The IN74HC573A is identical in pinout to the LS/ALS573. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LS/ALSTTL outputs. These latches appear transparent to data (i.e., the outputs change asynchronously) when Latch Enable is high. When Latch Enable goes low, data meeting the setup and hold time becomes latched. * Outputs Directly Interface to CMOS, NMOS, and TTL * Operating Voltage Range: 2.0 to 6.0 V * Low Input Current: 1.0 A * High Noise Immunity Characteristic of CMOS Devices ORDERING INFORMATION IN74HC573AN Plastic IN74HC573ADW SOIC TA = -55 to 125 C for all packages PIN ASSIGNMENT LOGIC DIAGRAM PIN 20=VCC PIN 10 = GND FUNCTION TABLE Inputs Output Enable L L L H Latch Enable H H L X D H L X X Output Q H L no change Z X = don't care Z = high impedance 403 IN74HC573A MAXIMUM RATINGS* Symbol VCC VIN VOUT IIN IOUT ICC PD Tstg TL * Parameter DC Supply Voltage (Referenced to GND) DC Input Voltage (Referenced to GND) DC Output Voltage (Referenced to GND) DC Input Current, per Pin DC Output Current, per Pin DC Supply Current, VCC and GND Pins Power Dissipation in Still Air, Plastic DIP+ SOIC Package+ Storage Temperature Lead Temperature, 1 mm from Case for 10 Seconds (Plastic DIP or SOIC Package) Value -0.5 to +7.0 -1.5 to VCC +1.5 -0.5 to VCC +0.5 20 35 75 750 500 -65 to +150 260 Unit V V V mA mA mA mW C C Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the Recommended Operating Conditions. +Derating - Plastic DIP: - 10 mW/C from 65 to 125C SOIC Package: : - 7 mW/C from 65 to 125C RECOMMENDED OPERATING CONDITIONS Symbol VCC VIN, VOUT TA tr, tf Parameter DC Supply Voltage (Referenced to GND) DC Input Voltage, Output Voltage (Referenced to GND) Operating Temperature, All Package Types Input Rise and Fall Time (Figure 1) VCC =2.0 V VCC =4.5 V VCC =6.0 V Min 2.0 0 -55 0 0 0 Max 6.0 VCC +125 1000 500 400 Unit V V C ns This device contains protection circuitry to guard against damage due to high static voltages or electric fields. However, precautions must be taken to avoid applications of any voltage higher than maximum rated voltages to this high-impedance circuit. For proper operation, VIN and VOUT should be constrained to the range GND(VIN or VOUT)VCC. Unused inputs must always be tied to an appropriate logic voltage level (e.g., either GND or VCC). Unused outputs must be left open. 404 IN74HC573A DC ELECTRICAL CHARACTERISTICS(Voltages Referenced to GND) VCC Symbol Parameter Test Conditions V Guaranteed Limit 25 C to -55C 1.5 3.15 4.2 0.5 1.35 1.8 1.9 4.4 5.9 3.98 5.48 0.1 0.1 0.1 0.26 0.26 0.1 0.5 85 C 1.5 3.15 4.2 0.5 1.35 1.8 1.9 4.4 5.9 3.84 5.34 0.1 0.1 0.1 0.33 0.33 1.0 5.0 125 C 1.5 3.15 4.2 0.5 1.35 1.8 1.9 4.4 5.9 3.7 5.2 0.1 0.1 0.1 0.4 0.4 1.0 10 A A V Unit VIH Minimum High-Level Input Voltage Maximum Low Level Input Voltage Minimum High-Level Output Voltage VOUT=0.1 V or VCC-0.1 V IOUT 20 A VOUT=0.1 V or VCC-0.1 V IOUT 20 A VIN=VIH or VIL IOUT 20 A VIN=VIH or VIL IOUT 6.0 mA IOUT 7.8 mA 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 4.5 6.0 2.0 4.5 6.0 4.5 6.0 6.0 6.0 V VIL V VOH V VOL Maximum Low-Level Output Voltage VIN= VIL or VIH IOUT 20 A VIN= VIL or VIH IOUT 6.0 mA IOUT 7.8 mA IIN IOZ Maximum Input Leakage Current Maximum Three State Leakage Current Maximum Quiescent Supply Current (per Package) VIN=VCC or GND Output in High-Impedance State VIN =VIH or VIL VOUT= VCC or GND VIN=VCC or GND IOUT=0A ICC 6.0 4.0 40 160 A 405 IN74HC573A AC ELECTRICAL CHARACTERISTICS(CL=50pF,Input tr=tf=6.0 ns) VCC Symbol Parameter V Guaranteed Limit 25 C to -55C 150 30 26 160 32 27 150 30 26 150 30 26 60 12 10 10 15 85C 125C Unit tPLH, tPHL Maximum Propagation Delay, Input D to Q (Figures 1 and 5) Maximum Propagation Delay,Latch Enable to Q (Figures 2 and 5) Maximum Propagation Delay, Output Enable to Q (Figures 3 and 6) Maximum Propagation Delay, Output Enable to Q (Figures 3 and 6) Maximum Output Transition Time, Any Output (Figures 1 and 5) Maximum Input Capacitance Maximum Three-State Output Capacitance (Output in High-Impedance State) Power Dissipation Capacitance (Per Enabled Output) 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 - 190 38 33 200 40 34 190 38 33 190 38 33 75 15 13 10 15 225 45 38 240 48 41 225 45 38 225 45 38 90 18 15 10 15 ns tPLH, tPHL ns tPLZ, tPHZ ns tPZH, tPZL ns tTLH, tTHL ns CIN COUT pF pF Typical @25C,VCC=5.0 V 23 pF CPD Used to determine the no-load dynamic power consumption: PD=CPDVCC2f+ICCVCC TIMING REQUIREMENTS (CL=50pF,Input tr=tf=6.0 ns) VCC Symbol tSU Parameter Minimum Setup Time, Input D to Latch Enable (Figure 4) Minimum Hold Time, Latch Enable to Input D (Figure 4) Minimum Pulse Width, Latch Enable (Figure 2) Maximum Input Rise and Fall Times (Figure 1) V 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 25 C to -55C 50 10 9 5 5 5 75 15 13 1000 500 400 Guaranteed Limit 85C 65 13 11 5 5 5 95 19 16 1000 500 400 125C 75 15 13 5 5 5 110 22 19 1000 500 400 Unit ns th ns tw ns tr, tf ns 406 IN74HC573A Figure 1. Switching Waveforms Figure 2. Switching Waveforms Figure 3. Switching Waveforms Figure 4. Switching Waveforms EXPANDED LOGIC DIAGRAM Figure 5. Test Circuit Figure 6. Test Circuit 407 |
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