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| TECHNICAL DATA IN74AC175 Quad D Flip-Flop with Common Clock and Reset High-Speed Silicon-Gate CMOS The IN74AC175 is identical in pinout to the LS/ALS175, HC/HCT175. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LS/ALS outputs. This device consists of four D flip-flops with common Reset and Clock inputs, and separate D inputs. Reset (active-low) is asynchronous and occurs when a low level is applied to the Reset input. Information at a D input is transferred to the corresponding Q output on the next positive-going edge of the Clock input. * Outputs Directly Interface to CMOS, NMOS, and TTL * Operating Voltage Range: 2.0 to 6.0 V * Low Input Current: 1.0 A; 0.1 A @ 25C * High Noise Immunity Characteristic of CMOS Devices * Outputs Source/Sink 24 mA ORDERING INFORMATION IN74AC175N Plastic IN74AC175D SOIC TA = -40 to 85 C for all packages PIN ASSIGNMENT LOGIC DIAGRAM FUNCTION TABLE Inputs Reset PIN 16=VCC PIN 8 = GND L H H H X = Don't care L Clock X D X H L X Outputs Q L H L Q H L H no change 264 IN74AC175 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 Sink/Source 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 -0.5 to VCC +0.5 -0.5 to VCC +0.5 20 50 50 750 500 -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 TJ TA IOH IOL tr, tf Parameter DC Supply Voltage (Referenced to GND) DC Input Voltage, Output Voltage (Referenced to GND) Junction Temperature (PDIP) Operating Temperature, All Package Types Output Current - High Output Current - Low Input Rise and Fall Time (except Schmitt Inputs) * Min 2.0 0 -40 Max 6.0 VCC 140 +85 -24 24 Unit V V C C mA mA ns/V VCC =3.0 V VCC =4.5 V VCC =5.5 V 0 0 0 150 40 25 * VIN from 30% to 70% VCC 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. 265 IN74AC175 DC ELECTRICAL CHARACTERISTICS(Voltages Referenced to GND) VCC Symbol VIH Parameter Minimum High-Level Input Voltage Maximum Low Level Input Voltage Minimum High-Level Output Voltage Test Conditions VOUT=0.1 V or VCC-0.1 V V 3.0 4.5 5.5 3.0 4.5 5.5 3.0 4.5 5.5 3.0 4.5 5.5 3.0 4.5 5.5 3.0 4.5 5.5 5.5 5.5 5.5 5.5 8.0 Guaranteed Limits 25 C 2.1 3.15 3.85 0.9 1.35 1.65 2.9 4.4 5.4 2.56 3.86 4.86 0.1 0.1 0.1 0.36 0.36 0.36 0.1 -40C to 85C 2.1 3.15 3.85 0.9 1.35 1.65 2.9 4.4 5.4 2.46 3.76 4.76 0.1 0.1 0.1 0.44 0.44 0.44 1.0 75 -75 80 A mA mA A V Unit V VIL VOUT=0.1 V or VCC-0.1 V V VOH IOUT -50 A V * VIN=VIH or VIL IOH=-12 mA IOH=-24 mA IOH=-24 mA VOL Maximum Low-Level Output Voltage IOUT 50 A VIN=VIH or VIL IOL=12 mA IOL=24 mA IOL=24 mA IIN IOLD IOHD ICC Maximum Input Leakage Current +Minimum Dynamic Output Current +Minimum Dynamic Output Current Maximum Quiescent Supply Current (per Package) VIN=VCC or GND VOLD=1.65 V Max VOHD=3.85 V Min VIN=VCC or GND * All outputs loaded; thresholds on input associated with output under test. +Maximum test duration 2.0 ms, one output loaded at a time. Note: IIN and ICC @ 3.0 V are guaranteed to be less than or equal to the respective limit @ 5.5 V VCC * 266 IN74AC175 AC ELECTRICAL CHARACTERISTICS(CL=50pF,Input tr=tf=3.0 ns) VCC* Symbol Parameter V Guaranteed Limits 25 C Min fmax tPLH tPHL tPLH tPHL CIN Maximum Clock Frequency (Figure 1) Propagation Delay, Clock to Q or Q (Figure 1) Propagation Delay, Clock to Q or Q (Figure 1) Propagation Delay, Reset to Q (Figure 2) Propagation Delay, Reset to Q (Figure 2) Maximum Input Capacitance 3.3 5.0 3.3 5.0 3.3 5.0 3.3 5.0 3.3 5.0 5.0 149 187 2.0 1.5 2.5 1.5 3.0 2.0 3.0 2.0 4.5 12.0 9.0 13.0 9.5 12.5 9.0 11.0 8.5 Max -40C to 85C Min 139 187 2.0 1.0 2.0 1.5 2.5 1.5 2.5 1.5 4.5 13.5 9.5 14.5 10.5 13.5 10.0 12.5 9.0 Max MHz ns ns ns ns pF Unit Typical @25C,VCC=5.0 V CPD * Power Dissipation Capacitance 45 pF Voltage Range 3.3 V is 3.3 V 0.3 V Voltage Range 5.0 V is 5.0 V 0.5 V TIMING REQUIREMENTS(CL=50pF,Input tr=tf=3.0 ns) VCC* Symbol tsu th tw tw trec * Guaranteed Limits 25 C 4.5 3.0 1.0 1.0 4.5 3.5 4.5 3.5 0 0 -40C to 85C 4.5 3.0 1.0 1.0 4.5 3.5 5.0 3.5 0 0 Unit ns ns ns ns ns Parameter Minimum Setup Time, Data to Clock (Figure 3) Minimum Hold Time, Clock to Data (Figure 3) Minimum Pulse Width, Reset (Figure 2) Minimum Pulse Width, Clock (Figure 1) Minimum Recovery Time, Reset to Clock (Figure 2) V 3.3 5.0 3.3 5.0 3.3 5.0 3.3 5.0 3.3 5.0 Voltage Range 3.3 V is 3.3 V 0.3 V Voltage Range 5.0 V is 5.0 V 0.5 V 267 IN74AC175 Figure 1. Switching Waveforms Figure 2. Switching Waveforms Figure 3. Switching Waveforms EXPANDED LOGIC DIAGRAM 268 |
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