74374 IC D type Flip Flop Chip DIP-20

74374
IC
D type Flip Flop Chip DIP-20

The 74374 is an integrated circuit that embodies eight independent edge-triggered D-type flip-flops within a single DIP-20 package. Each flip-flop acts as a fundamental one-bit memory cell, capturing and retaining the logical state (high or low) present at its individual data input. This design allows for the synchronous handling of an 8-bit data word, making it a compact and efficient solution for data storage and transfer in digital systems.

The fundamental operation of the chip is governed by a shared clock signal. The data presented at the inputs is not transferred to the outputs immediately. Instead, the capture occurs precisely at the moment the clock signal transitions from a low to a high voltage level, a mechanism known as positive-edge triggering. This synchronous operation ensures that all eight bits are latched simultaneously, preventing data instability and ensuring coherent system timing.

A key feature of the
74374
is its output control capability via a dedicated Output Enable pin. When this pin is activated, the outputs behave normally, driving the stored data onto the connected bus or lines. When it is deactivated, all eight outputs enter a high-impedance state. This effectively disconnects the chip from the circuit, allowing multiple devices to share the same bus lines without electrical conflict, which is essential for building bidirectional data paths and complex bus architectures.

Features:

Eight Edge-Triggered D-Type Flip-Flops.

Positive-Edge Clocking.

3-State Bus Driving Outputs.

Buffered Control Inputs.

Full Parallel Access.

Standard Plastic DIP-20 Package.

Inputs are TTL-Voltage Compatible.

Specifications:

Physical

Case/Package

PDIP

Mount

Through Hole

Number of Pins

20

Weight

1.1991 g

Technical

Clock Edge Trigger Type

Positive Edge

Frequency

70 MHz

High Level Output Current

-3 mA

Logic Function

D-Type, Flip-Flop

Low Level Output Current

24 mA

Max Frequency

70 MHz

Max Operating Temperature

70 C

Max Supply Voltage

5.5 V

Min Operating Temperature

0 C

Min Supply Voltage

4.5 V

Number of Bits

8

Number of Bits per Element

8

Number of Channels

8

Number of Circuits

8

Number of Elements

1

Number of Input Lines

8

Number of Output Lines

3

Number of Outputs

8

Operating Supply Voltage

5 V

Output Current

24 mA

Output Type

TTL

Polarity

Non-Inverting

Propagation Delay

6.1 ns

Termination

DIP

Turn-On Delay Time

3.2 ns

Applications:

Buffer Registers.

I/O Ports.

Bidirectional Bus Drivers.

Working Registers.

Package Contents:

1x
74374 IC D type Flip Flop Chip DIP-20

Datasheet