Overview
The SN74HC595DBRE4 is an 8-bit serial-in, parallel-out shift register produced by Texas Instruments. It is part of the HC family of logic devices, designed for CMOS applications. This device contains an 8-bit serial-in shift register that feeds an 8-bit D-type storage register, with parallel 3-state outputs. The shift register and storage register have separate clocks, and the shift register includes a direct overriding clear input, serial input, and serial outputs for cascading. When the output-enable input is high, the outputs are in the high-impedance state.
Key Specifications
| Parameter | Min | Nom | Max | Unit |
|---|---|---|---|---|
| VCC Supply Voltage | 2 | 5 | 6 | V |
| VIH High-Level Input Voltage | 1.5 (VCC=2V) | 3.15 (VCC=4.5V) | 4.2 (VCC=6V) | V |
| VIL Low-Level Input Voltage | 0.5 (VCC=2V) | 1.35 (VCC=4.5V) | 1.8 (VCC=6V) | V |
| ICC Power Consumption | 80 μA | μA | ||
| tpd Propagation Delay | 13 ns | ns | ||
| Output Drive | ±6 mA (at 5 V) | mA | ||
| Input Current | 1 μA | μA | ||
| Operating Temperature Range | -40 | 85 | °C | |
| Package Type | SSOP (DB) | |||
| Pins | 16 |
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
- Typical propagation delay of 13 ns
- ±6-mA output drive at 5 V
- Low input current: 1 μA (maximum)
- Shift register has direct clear input
- Separate clocks for shift and storage registers
- Output-enable input for high-impedance state control
Applications
- Network switches
- Power infrastructure
- LED displays
- Servers
Q & A
- What is the operating voltage range of the SN74HC595DBRE4?
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 power consumption of the SN74HC595DBRE4?
The maximum power consumption is 80 μA.
- What is the typical propagation delay of the SN74HC595DBRE4?
The typical propagation delay is 13 ns.
- Can the outputs of the SN74HC595DBRE4 be driven to high-impedance state?
- What is the maximum output drive current at 5 V?
- What is the package type of the SN74HC595DBRE4?
- What is the operating temperature range of the SN74HC595DBRE4?
- Can the shift register be cascaded?
- What is the input current of the SN74HC595DBRE4?
