Overview
The CD74HC597M96G4 is a high-speed silicon gate CMOS device produced by Texas Instruments. This component is part of the 74HC series and is pin-compatible with LSTTL 597 devices. It consists of an 8-flip-flop input register and an 8-bit parallel-in/serial-in, serial-out shift register, each controlled by its own clock. The device is designed for high-speed applications and offers significant power reduction compared to LSTTL logic ICs.
Key Specifications
| Parameter | Symbol | Test Conditions | Units | Min | Max | |
|---|---|---|---|---|---|---|
| DC Supply Voltage | VCC | - | V | -0.5 | - | 7 |
| High Level Input Voltage | VIH | VCC = 5V | V | - | - | 2 |
| Low Level Input Voltage | VIL | VCC = 5V | V | 0.5 | - | - |
| High Level Output Voltage (CMOS Loads) | VOH | VCC = 5V | V | 4.4 | - | - |
| Low Level Output Voltage (CMOS Loads) | VOL | VCC = 5V | V | - | - | 0.1 |
| Input Leakage Current | II | VCC or GND | µA | - | - | ±1 |
| Quiescent Device Current | ICC | VCC or GND | µA | - | - | 160 |
| SHCP Frequency | fMAX | VCC = 5V | MHz | - | - | 29 |
| Propagation Delay (SHCP to Q7) | tPLH, tPHL | CL = 50pF, VCC = 5V | ns | - | - | 44 |
Key Features
- Buffered Inputs
- Asynchronous Parallel Load
- Fanout: Standard Outputs - 10 LSTTL Loads, Bus Driver Outputs - 15 LSTTL Loads
- Wide Operating Temperature Range: -55°C to 125°C
- Balanced Propagation Delay and Transition Times
- Significant Power Reduction Compared to LSTTL Logic ICs
- HC Types: 2V to 6V Operation, High Noise Immunity
- HCT Types: 4.5V to 5.5V Operation, Direct LSTTL Input Logic Compatibility
Applications
- High-Speed Digital Systems
- Serial-to-Parallel Data Conversion
- Parallel-to-Serial Data Conversion
- Shift Registers in Various Digital Circuits
- Buffering and Storage in Digital Systems
Q & A
- What is the CD74HC597M96G4?
The CD74HC597M96G4 is a high-speed silicon gate CMOS device that includes an 8-flip-flop input register and an 8-bit parallel-in/serial-in, serial-out shift register.
- What are the operating voltage ranges for the HC and HCT types?
The HC types operate from 2V to 6V, while the HCT types operate from 4.5V to 5.5V.
- What is the maximum SHCP frequency for the CD74HC597M96G4?
The maximum SHCP frequency is 29 MHz at VCC = 5V.
- What is the propagation delay from SHCP to Q7?
The propagation delay from SHCP to Q7 is up to 44 ns with a load capacitance of 50 pF at VCC = 5V.
- What are the input and output voltage levels for CMOS loads?
The high-level output voltage (VOH) is 4.4V, and the low-level output voltage (VOL) is 0.1V for CMOS loads at VCC = 5V.
- What is the quiescent device current?
The quiescent device current (ICC) is up to 160 µA.
- Is the CD74HC597M96G4 RoHS compliant?
- What are the package options available for the CD74HC597M96G4?
The device is available in PDIP, SOIC, and SOP packages.
- What is the operating temperature range for the CD74HC597M96G4?
The operating temperature range is -55°C to 125°C.
- Is the CD74HC597M96G4 still in production?
No, the CD74HC597M96G4 has been discontinued by Texas Instruments.
