IN74HCT273A

Features:

• TTL/NMOS Compatible Input Levels
• Outputs Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 4.5 to 5.5 V
• Low Input Current: 1.0 A


Pinout




Specifications

Symbol	Parameter	Value	Unit
VCC	DC Supply Voltage (Referenced to GND)	-0.5 to +7.0	V
VIN	DC Input Voltage (Referenced to GND)	-0.5 to VCC +1.5	V
VOUT	DC Output Voltage (Referenced to GND)	0.5 to VCC +0.5	V
IIN	DC Input Current, per Pin	±20	mA
IOUT	DC Output Sink/Source Current, per Pin	±35	mA
ICC	DC Supply Current, VCC and GND Pins	±75	mA
PD	Power Dissipation in Still Air, Plastic DIP+                               SOIC Package+	750 500	mW
Tstg	Storage Temperature	-65 to +150
TL	Lead Temperature, 1 mm from Case for 10 Seconds (Plastic DIP or SOIC Package)	260

*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/ from 65° to 125 SOIC Package: : - 7 mW/ from 65° to 125

Description

The IN74HCT273A is identical in pinout to the LS/ALS273.

The IN74HCT273A may be used as a level converter for interfacing TTL or NMOS outputs to High-Speed CMOS inputs.

This device consists of eight D flip-flops with common Clock and Reset inputs. Each flip-flop is loaded with a low-to-high  ransition of the Clock input. Reset is asynchronous and active low.