MC74HC273A Octal D Flip-Flop with Common Clock and Reset HighPerformance SiliconGate CMOS The MC74HC273A is identical in pinout to the LS273. The device www.onsemi.com inputs are compatible with standard CMOS outputs with pullup resistors, they are compatible with LSTTL outputs. This device consists of eight D flipflops with common Clock and Reset inputs. Each flipflop is loaded with a lowtohigh transition of the Clock input. Reset is asynchronous and active low. SOIC20 TSSOP20 DW SUFFIX DT SUFFIX Features CASE 751D CASE 948E Output Drive Capability: 10 LSTTL Loads PIN ASSIGNMENT Outputs Directly Interface to CMOS, NMOS and TTL RESET 1 20 V Operating Voltage Range: 2.0 to 6.0 V CC Q0 2 19 Q7 Low Input Current: 1.0 A D0 3 18 D7 High Noise Immunity Characteristic of CMOS Devices D1 4 17 D6 In Compliance with the Requirements Defined by JEDEC Standard Q1 5 16 Q6 No. 7 A Q2 6 15 Q5 Chip Complexity: 264 FETs or 66 Equivalent Gates D2 7 14 D5 NLV Prefix for Automotive and Other Applications Requiring D3 8 13 D4 Unique Site and Control Change Requirements AECQ100 Q3 9 12 Q4 Qualified and PPAP Capable GND 10 11 CLOCK These Devices are PbFree, Halogen Free and are RoHS Compliant MARKING DIAGRAMS LOGIC DIAGRAM 20 20 2 3 Q0 D0 HC 5 HC273A 4 Q1 273A D1 AWLYYWWG ALYW 7 6 D2 Q2 8 9 DATA D3 1 Q3 NONINVERTING 1 INPUTS 13 12 D4 OUTPUTS SOIC20 TSSOP20 Q4 14 A = Assembly Location D5 15 Q5 WL, L = Wafer Lot 17 D6 16 YY, Y = Year Q6 18 WW, W = Work Week D7 19 Q7 G or = PbFree Package 11 CLOCK (Note: Microdot may be in either location) PIN 20 = V CC FUNCTION TABLE 1 PIN 10 = GND RESET Inputs Output Reset Clock D Q Design Criteria Value Units LX X L HH H Internal Gate Count* 66 ea HL L Internal Gate Propagation Delay 1.5 ns H L X No Change H X No Change Internal Gate Power Dissipation 5.0 W Speed Power Product .0075 pJ ORDERING INFORMATION See detailed ordering and shipping information in the package *Equivalent to a twoinput NAND gate. dimensions section on page 6 of this data sheet. Semiconductor Components Industries, LLC, 2015 1 Publication Order Number: October, 2015 Rev. 17 MC74HC273A/DMC74HC273A MAXIMUM RATINGS Symbol Parameter Value Unit This device contains protection circuitry to guard against damage V DC Supply Voltage (Referenced to GND) 0.5 to +7.0 V CC due to high static voltages or electric V DC Input Voltage (Referenced to GND) 0.5 to V + 0.5 V fields. However, precautions must in CC be taken to avoid applications of any V DC Output Voltage (Referenced to GND) 0.5 to V + 0.5 V out CC voltage higher than maximum rated voltages to this highimpedance cir- I DC Input Current, per Pin 20 mA in cuit. For proper operation, V and in I DC Output Current, per Pin 25 mA out V should be constrained to the out range GND (V or V ) V . I DC Supply Current, V and GND Pins 50 mA in out CC CC CC Unused inputs must always be P Power Dissipation in Still Air, SOIC Package 500 mW D tied to an appropriate logic voltage TSSOP Package 450 level (e.g., either GND or V ). CC Unused outputs must be left open. T Storage Temperature 65 to +150 C stg T Lead Temperature, 1 mm from Case for 10 Seconds C L SOIC or TSSOP Package 260 Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality should not be assumed, damage may occur and reliability may be affected. Derating: SOIC Package: 7 mW/C from 65 to 125C TSSOP Package: 6.1 mW/C from 65 to 125C RECOMMENDED OPERATING CONDITIONS Symbol Parameter Min Max Unit V DC Supply Voltage (Referenced to GND) 2.0 6.0 V CC V , V DC Input Voltage, Output Voltage (Referenced to GND) 0 V V in out CC T Operating Temperature, All Package Types 55 +125 C A t , t Input Rise and Fall Time V = 2.0 V 0 1000 ns r f CC (Figure 1) V = 4.5 V 0 500 CC V = 6.0 V 0 400 CC Functional operation above the stresses listed in the Recommended Operating Ranges is not implied. Extended exposure to stresses beyond the Recommended Operating Ranges limits may affect device reliability. DC ELECTRICAL CHARACTERISTICS (Voltages Referenced to GND) Guaranteed Limit V 55 to CC V 25C Symbol Parameter Test Conditions 85C 125C Unit V Minimum HighLevel Input Voltage V = V 0.1 V 2.0 1.5 1.5 1.5 V IH out CC I 20 A 3.0 2.1 2.1 2.1 out 4.5 3.15 3.15 3.15 6.0 4.2 4.2 4.2 V Maximum LowLevel Input Voltage V = 0.1 V 2.0 0.5 0.5 0.5 V IL out I 20 A 3.0 0.9 0.9 0.9 out 4.5 1.35 1.35 1.35 6.0 1.8 1.8 1.8 V Minimum HighLevel Output V = V 2.0 1.9 1.9 1.9 V OH in IH Voltage I 20 A 4.5 4.4 4.4 4.4 out 6.0 5.9 5.9 5.9 V = V I 2.4 mA 3.0 2.48 2.34 2.2 in IH out I 6.0 mA 4.5 3.98 3.84 3.7 out I 7.8 mA 6.0 5.48 5.34 5.2 out V Maximum LowLevel Output V = V 2.0 0.1 0.1 0.1 V OL in IL Voltage I 20 A 4.5 0.1 0.1 0.1 out 6.0 0.1 0.1 0.1 V = V I 2.4 mA 3.0 0.26 0.33 0.4 in IL out I 6.0 mA 4.5 0.26 0.33 0.4 out I 7.8 mA 6.0 0.26 0.33 0.4 out www.onsemi.com 2