Product Summary
The MC74HC273ADWR2G is an octal D flip-flop with common clock and reset high-performance silicon-gate CMOS. It is identical in pinout to the LS273. The MC74HC273ADWR2G inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LSTTL outputs. The MC74HC273ADWR2G consists of eight D flip-flops with common Clock and Reset inputs. Each flip-flop is loaded with a low-to-high transition of the Clock input. Reset is asynchronous and active low.
Parametrics
MC74HC273ADWR2G absolute maximum ratings: (1)DC Supply Voltage (Referenced to GND): -0.5 to + 7.0 V; (2)DC Input Voltage (Referenced to GND): -0.5 to Vcc + 0.5 V; (3)DC Output Voltage (Referenced to GND): -0.5 to Vcc + 0.5 V; (4)DC Input Current, per Pin: ±20 mA; (5)DC Output Current, per Pin: ±25 mA; (6)DC Supply Current, Vcc and GND Pins: ±50 mA; (7)Power Dissipation in Still Air, Plastic DlP: 750 mW; (8)Power Dissipation in Still Air, SOIC Package: 500 mW; (9)Power Dissipation in Still Air, TSSOP Package: 450 mW; (10)Storage Temperature: -65 to + 150 °C; (11)Lead Temperature, 1 mm from Case for 10 Seconds Plastic DIP, SOIC or TSSOP Package: 260 °C.
Features
MC74HC273ADWR2G features: (1)Output Drive Capability: 10 LSTTL Loads; (2)Outputs Directly Interface to CMOS, NMOS and TTL; (3)Operating Voltage Range: 2.0 to 6.0 V; (4)Low Input Current: 1.0 A; (5)High Noise Immunity Characteristic of CMOS Devices; (6)In Compliance with the Requirements Defined by JEDEC Standard No. 7A; (7)Chip Complexity: 264 FETs or 66 Equivalent Gates; (8)Pb-Free Packages are Available.
Diagrams

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![]() Flip Flops 2-6V CMOS Octal D-Type |
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(China (Mainland))










