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7476 Dual JK Flip-Flop with Preset and Clear

Contains two independent JK flip-flops
Features asynchronous preset and clear inputs
Operates on standard TTL logic levels
Edge-triggered on clock input
Commonly used in counters, registers, and memory circuits

SKU: 7476

18,00 EGP

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Description

7476 Dual JK Flip-Flop with Preset and Clear – Product Overview

The 7476 is a dual JK flip-flop IC featuring preset and clear inputs. It provides two independent JK flip-flops with asynchronous set (preset) and clear functions, making it suitable for various synchronous and asynchronous digital logic applications.

⚙️ Key Features

✅ Contains 2 independent JK flip-flops
✅ Includes asynchronous preset (set) and clear inputs
✅ Edge-triggered on the clock input (positive edge)
✅ Compatible with TTL logic levels
✅ Typical propagation delay ~15 ns
✅ Standard DIP-14 package for easy handling and integration

📋 Specifications

Parameter	Description
IC Number	7476
Number of Flip-Flops	2
Flip-Flop Type	JK Flip-Flop
Inputs	J, K, Clock, Preset, Clear
Outputs	Q, Q’ (complement)
Operating Voltage	4.75V to 5.25V (Typical 5V)
Propagation Delay	Approx. 15 ns
Logic Family	TTL (Transistor-Transistor Logic)
Package Type	DIP-14

🎯 Applications

Counters and frequency dividers
Shift registers and memory storage elements
Control logic circuits
Timing and sequencing applications
State machines and synchronous logic

📦 Package Includes

1 × 7476 Dual JK Flip-Flop IC (DIP-14)

Pin Layout

Pin Description

Pin Number	Description
1	Clock 1 Input
2	Preset 1 Input
3	Clear 1 Input
4	J1 Input
5	Vcc – Positive Power Supply
6	Clock 2 Input
7	Preset 2 Input
8	Clear 2 Input
9	J2 Input
10	Complement Q2 Output
11	Q2 Output
12	K2 Input
13	Ground
14	Complement Q1 Output
15	Q1 Output
16	K1 Input

Dimensional Drawing

Technical Data

Absolute Maximum Ratings

Supply Voltage	7V
Input Voltage	5.5V
Operating Free Air Temperature	0°C to +70°C
Storage Temperature Range	-65°C to +150°C

Recommended Operating Conditions

Symbol	Parameter	Min	Typ	Max	Units
Vcc	Supply Voltage	4.75	5	5.25	V
Vih	HIGH Level Input Voltage	2			V
Vil	LOW Level Input Voltage			0.8	V
Ioh	HIGH Level Output Current			-0.4	mA
Iol	LOW Level Output Current			16	mA
Ta	Free Air Operating Temperature	0		70	°C

Electrical Characteristics

Symbol	Parameter	Conditions	Min	Typ	Max	Units
Vi	Input Clamp Voltage	Vcc=Min Ii=-12mA			-1.5	V
Voh	HIGH Level Output Voltage	Vcc=Min Ioh=MAX Vil=MAX	2.4	3.4		V
Vol	LOW Level Output Voltage	Vcc=Min Iol=MAX Vih=MAX		0.2	0.4	V
Ii	Input Current@MAX Input Voltage	Vcc=Max Vi=5.5V			1	mA
Iih	HIGH Level Input Current	Vcc=Max Vi=2.4V			40	µA
Iil	LOW Level Input Current	Vcc=Max Vi=0.4V			-1.6	mA
Ios	Short Circuit Output Current	Vcc=Max	-18		-55	mA
Icch	Supply Current with Outputs HIGH	Vcc=Max		4	8	mA
Iccl	Supply Current with Outputs LOW	Vcc=Max		12	22	mA