74195 High-Speed 4-Bit Parallel Access Shift Register DIP-16

Description

74195 High-Speed 4-Bit Parallel Access
Shift Register

DIP-16

The 74195 4-Bit Parallel-Access Shift Register is a high-speed TTL logic device designed for both serial and parallel data operations. It allows shifting data in either direction and features parallel loading for flexible data manipulation. The IC supports synchronous operation, enabling fast and reliable data transfer in digital systems. With its 16-pin DIP package, the 74195 is ideal for use in counters, registers, data storage, and timing circuits in computers and control systems.

Features

4-bit universal shift register with parallel and serial inputs.

Supports both left and right shift operations.

Parallel loading capability for flexible data handling.

Synchronous operation with a single clock input.

TTL-compatible logic levels for easy interfacing.

High-speed performance for digital and control applications.

Clear (reset) input for register initialization.

Compact 16-pin DIP package for through-hole mounting.

Suitable for cascading to expand data width.

Pinout Configuration

Pin No.

Symbol

Description

1

MR

Master Reset (Active HIGH)

2

J

J Input for JK Flip-Flop

3

K

K Input for JK Flip-Flop

4

D0

Parallel Data Input Bit 0 (LSB)

5

D1

Parallel Data Input Bit 1

6

D2

Parallel Data Input Bit 2

7

D3

Parallel Data Input Bit 3 (MSB)

8

GND

Ground (0V)

9

PE

Parallel Enable / Load Enable Input

10

CP

Clock Pulse Input

11

Q̅3

Complementary Output of Q3

12

Q3

Output Bit 3 (MSB)

13

Q2

Output Bit 2

14

Q1

Output Bit 1

15

Q0

Output Bit 0 (LSB)

16

VCC

Positive Supply Voltage (+5V)

Specifications

Parameter

Description

IC Type

4-Bit Universal Shift Register

Logic Family

TTL

Datasheet

74195

Number of Bits

4-Bit

Operating Voltage (Vcc)

4.75V – 5.25V

Input High Voltage (VIH)
(min)

2.0V

Input Low Voltage (VIL)
(max)

0.8V

Output High Voltage (VOH)
(min)

2.7V

Output Low Voltage (VOL)
(max)

0.4V

Propagation Delay

25 nsec

Maximum Clock Frequency

25 MHz

Operating Temperature Range

0°C to +70°C

Package Type

DIP-16

Mounting Type

Through Hole

Inputs

Parallel and Serial Inputs

Outputs

Parallel and Serial Outputs

Clear (Reset) Input

Active Low

Dimensions

Applications

Data storage and transfer circuits.

Serial-to-parallel and parallel-to-serial data conversion.

Digital counters and timers.

Shift and control registers in microprocessor systems.

Data buffering and synchronization in digital logic circuits.

LED or display sequencing systems.

Communication and control interface circuits.

Package Contents

1 x
74195 High-Speed 4-Bit Parallel Access Shift Register DIP-16

Datasheet

74195