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TECHNICAL DATA
IN74AC534
Octal 3-State Inverting D Flip-Flop
High-Speed Silicon-Gate CMOS
The IN74AC534 is identical in pinout to the LS/ALS534, HC/HCT534. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LS/ALS outputs. Data meeting the setup time is clocked, in inverted form, to the outputs with the rising edge of the Clock. The Output Enable input does not affect the states of the flip-flops, but when Output Enable is high, the outputs are forced to the high impedance state. Thus, data may be stored even when the outputs are not enabled. * 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 IN74AC534N Plastic IN74AC534DW SOIC TA = -40 to 85 C for all packages
PIN ASSIGNMENT LOGIC DIAGRAM
FUNCTION TABLE
Inputs Output Enable L L L PIN 20=VCC PIN 10 = GND H L,H, X Clock D H L X X Output Q L H no change Z
X = don't care Z = high impedance
446
IN74AC534
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.
447
IN74AC534
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 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 0.5 -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 5.0 A 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 IOZ Maximum Input Leakage Current Maximum ThreeState Leakage Current +Minimum Dynamic Output Current +Minimum Dynamic Output Current Maximum Quiescent Supply Current (per Package) VIN=VCC or GND VIN(OE)= VIH or VIL VIN=VCC or GND VOUT=VCC or GND VOLD=1.65 V Max VOHD=3.85 V Min VIN=VCC or GND
*
IOLD IOHD ICC
5.5 5.5 5.5 8.0
75 -75 80
mA mA A
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
*
448
IN74AC534
AC ELECTRICAL CHARACTERISTICS(CL=50pF,Input tr=tf=3.0 ns)
VCC* Symbol Parameter V Guaranteed Limits 25 C Min fmax tPLH tPHL tPZH tPZL tPHZ tPLZ CIN Maximum Clock Frequency (Figure 1) Propagation Delay, Clock to Q (Figure 1) Propagation Delay, Clock to Q (Figure 1) Propagation Delay, Output Enable to Q (Figure 2) Propagation Delay, Output Enable to Q (Figure 2) Propagation Delay, Output Enable to Q (Figure 2) Propagation Delay, Output Enable 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 3.3 5.0 3.3 5.0 5.0 70 150 3.0 2.5 3.0 2.5 3.0 2.5 3.0 2.5 2.0 1.5 2.0 1.5 4.5 14.0 10.5 13.0 9.5 12.5 10.0 12.5 10.0 13.5 11.5 12.0 10.0 Max -40C to 85C Min 70 140 2.5 2.0 2.5 2.0 2.5 2.0 2.5 2.0 1.5 1.0 1.5 1.0 4.5 16.0 12.0 15.0 11.0 14.0 11.5 14.0 11.5 15.0 12,5 13.5 11.0 Max MHz ns ns ns ns ns ns pF Unit
Typical @25C,VCC=5.0 V CPD
*
Power Dissipation Capacitance
40
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
*
Guaranteed Limits 25 C 5.0 3.5 1.0 1.0 5.0 3.5 -40C to 85C 6.5 4.0 1.5 1.5 6.5 4.0 Unit ns ns ns
Parameter Minimum Setup Time, Data to Clock (Figure 3) Minimum Hold Time, Clock to Data (Figure 3) Minimum Pulse Width, Clock (Figure 1)
V 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
449
IN74AC534
Figure 1. Switching Waveforms
Figure 2. Switching Waveforms
Figure 3. Switching Waveforms
EXPANDED LOGIC DIAGRAM
450

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