Overview
The CD74HC597M96 is a high-speed CMOS logic 8-bit shift register with input storage, produced by Texas Instruments. This device is part of the HC and HCT series, which are 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 supports asynchronous parallel load and master reset functions, making it versatile for various digital circuit applications.
Key Specifications
| Parameter | Symbol | Test Conditions | Units | Min | Max | |
|---|---|---|---|---|---|---|
| Operating Temperature Range | °C | -55 | 125 | |||
| Supply Voltage (VCC) | VCC | V | 2 | 6 | ||
| High Level Input Voltage (HC Types) | VIH | VCC = 2V, 4.5V, 6V | V | 1.5 | 6 | |
| Low Level Input Voltage (HC Types) | VIL | VCC = 2V, 4.5V, 6V | V | 0.5 | 1.8 | |
| High Level Output Voltage (CMOS Loads) | VOH | VCC = 2V, 4.5V, 6V | V | 1.9 | 5.9 | |
| Low Level Output Voltage (CMOS Loads) | VOL | VCC = 2V, 4.5V, 6V | V | 0.1 | 0.1 | |
| Propagation Delay (SHCP to Q7) | tPLH, tPHL | CL = 50pF, VCC = 2V, 4.5V, 6V | ns | 35 | 265 | |
| Input Leakage Current | II | VCC or GND | µA | ±0.1 | ±1 | |
| Quiescent Device Current | ICC | VCC or GND | µA | 8 | 160 |
Key Features
- Buffered Inputs
- Asynchronous Parallel Load
- Fanout (Over Temperature Range): 10 LSTTL Loads, 15 LSTTL Loads for Bus Driver Outputs
- 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
- HCT Types: 4.5V to 5.5V Operation, Direct LSTTL Input Logic Compatibility
- CMOS Input Compatibility: I ≤ 1µA at V OL, V OH
- High Noise Immunity
Applications
The CD74HC597M96 is suitable for a variety of digital circuit applications, including:
- Serial-to-Parallel Data Conversion
- Parallel-to-Serial Data Conversion
- Data Storage and Retrieval in Digital Systems
- Control and Monitoring Systems
- Communication Networks and Interfaces
- Embedded Systems and Microcontrollers
Q & A
- What is the operating temperature range of the CD74HC597M96?
The operating temperature range is -55°C to 125°C.
- What are the supply voltage ranges for the HC and HCT types?
For HC types, the supply voltage range is 2V to 6V. For HCT types, it is 4.5V to 5.5V.
- What is the propagation delay for the SHCP to Q7 transition?
The propagation delay ranges from 35ns to 265ns depending on the load and supply voltage.
- Does the CD74HC597M96 support asynchronous parallel load?
Yes, it supports asynchronous parallel load through the parallel load input (PL).
- What is the input leakage current of the device?
The input leakage current is ±0.1µA to ±1µA.
- Is the CD74HC597M96 compatible with LSTTL devices?
Yes, it is pin-compatible with LSTTL 597 devices.
- What is the quiescent device current of the CD74HC597M96?
The quiescent device current ranges from 8µA to 160µA.
- Does the device have high noise immunity?
Yes, it has high noise immunity with N IL= 30%, N IH= 30% of V CC at V CC= 5V.
- What package types are available for the CD74HC597M96?
The device is available in SOIC (D) package with 16 pins.
- Is the CD74HC597M96 RoHS compliant?
Yes, the device is RoHS compliant.
