74LS192 Decade Up/Down Counter 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.The 74LS192 is a UP/DOWN BCD Decade (8421) Counter. 74LS192 Counts Up and Count Down Clocks are used and in either counting mode the circuits operate synchronously

74LS192 Features

• Synchronous Up/Down BCD Decade Counter, Count is Updated with Low-to-High Clock Transition
• Synchronous Counting
• High Speed up to 25MHz
• Individual Preset Inputs
• Standard TTL Switching Voltages

74LS192 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

74LS192 Pinout Diagram

74LS192 Pin Description

Pin No	Pin Name	Description
1	P1	Parallel Data Input
2	Q1	Flip-Flop Output
3	Q0	Flip-Flop Output
4	CPD	Count Down Clock Pulse Input
5	CPU	Count Up Clock Pulse Input
6	Q2	Flip-Flop Output
7	Q3	Flip-Flop Output
8	GND	Ground
9	P3	Parallel Data Input
10	P2	Parallel Data Input
11	PL’	Asynchronous Parallel Load (Active LOW) Input
12	TCU’	Terminal Count-Up (Carry) Output
13	TCD’	Terminal Count Down (Borrow) Output
14	MR	Asynchronous Master Reset (Clear) Input
15	P0	Parallel Data Input
16	VCC	Positive Supply

Applications

• Self-reversing counter.
• Clock divider circuit

74LS192 Alternative Equivalent

74LS193

Download 74LS192 Decade Up/Down Counter with Clear Datasheet from the link given below.