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

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