Overview
The SN74HC595DBR is an 8-bit serial-in, parallel-out shift register produced by Texas Instruments. This component is part of the 74HC series and is designed for a wide range of applications requiring serial-to-parallel data conversion. It features a D-type storage register with parallel 3-state outputs, making it versatile for various digital systems.
Key Specifications
| Parameter | Min | Nom | Max | Unit |
|---|---|---|---|---|
| VCC Supply Voltage | 2 | 5 | 6 | V |
| Operating Temperature | -40 | 85 | °C | |
| Input Current | 1 | μA | ||
| Output Drive at 5 V | ±6 | mA | ||
| Propagation Delay (tpd) | 13 | ns | ||
| Package Type | 16-SSOP | |||
| Number of Bits per Element | 8 |
Key Features
- 8-bit serial-in, parallel-out shift register
- Wide operating voltage range of 2 V to 6 V
- High-current 3-state outputs can drive up to 15 LSTTL loads
- Low power consumption: 80-μA (maximum) ICC
- Low input current: 1 μA (maximum)
- ±6-mA output drive at 5 V
- Shift register has direct clear (SRCLR) input
- Separate clocks for shift and storage registers
- Serial outputs for cascading
- Output-enable (OE) input to control output state
Applications
- Network switches
- Power infrastructure
- LED displays
- Servers
Q & A
- What is the operating voltage range of the SN74HC595DBR?
The operating voltage range is from 2 V to 6 V. - How many bits does the shift register have?
The shift register is 8-bit. - What is the maximum output drive at 5 V?
The maximum output drive at 5 V is ±6 mA. - What is the typical propagation delay (tpd) of the SN74HC595DBR?
The typical propagation delay is 13 ns. - What type of package does the SN74HC595DBR come in?
The SN74HC595DBR comes in a 16-SSOP package. - Can the outputs be disabled?
Yes, the outputs can be disabled by setting the output-enable (OE) input high. - What is the maximum input current?
The maximum input current is 1 μA. - Does the shift register have a direct clear input?
Yes, the shift register has a direct overriding clear (SRCLR) input. - What are the typical applications of the SN74HC595DBR?
Typical applications include network switches, power infrastructure, LED displays, and servers. - What is the operating temperature range of the SN74HC595DBR?
The operating temperature range is from -40°C to 85°C.
