74LS273 Octal D-type Flip-Flop with Clear

The 74LS series of integrated circuits (ICs) was one of the most popular logic families of transistor-transistor logic (TTL) logic chips. 74LS series is a bipolar, low-power Schottky IC. 74LS273 monolithic, positive-edge-triggered flip-flops utilize TTL circuitry to implement D-type flip-flop logic with direct clear input.

74LS273 Features

• Eight D-Type Flip-Flops with Common Clock
• Edge Triggered
• Parallel In and Out
• Master Reset
• Standard TTL Switching Voltages

74LS273 Specifications

Supply Voltage	4.75 – 5.25Vdc
Maximum Clock Frequency	40Mhz
Power Dissipation	2mW/gate @100kHz
Minimum Output Current	8mA
Propagation Delay	10nS
Fan Out (TTL Loads)	20

74LS273 Pinout Diagram

74LS273 Pin Description

Pin No	Pin Name	Description
1	MR	Asynchronous Master Reset Input
2	Q0	Register Output
3	D0	Data Input
4	D1	Data Input
5	Q1	Register Output
6	Q2	Register Output
7	D2	Data Input
8	D3	Data Input
9	Q3	Register Output
10	GND	Ground
11	CP	Clock Pulse Input
12	Q4	Register Output
13	D4	Data Input
14	D5	Data Input
15	Q5	Register Output
16	Q6	Register Output
17	D6	Data Input
18	D7	Data Input
19	Q7	Register Output
20	VCC	Positive Supply

Applications

• Create delay lines which are used in digital signal processing systems

74LS273 Alternative Equivalent

74L174, 74LS175

Download 74LS273 Octal D-type Flip-Flop with Clear Datasheet from the link given below.