Overview
The Toshiba Semiconductor and Storage 74HC164D is a high-speed CMOS 8-bit serial-in/parallel-out shift register. Fabricated with silicon gate C2MOS technology, this device combines the high speed of LSTTL with the low power dissipation of CMOS. It is designed for use in a wide range of digital applications, offering balanced propagation delays and a broad operating voltage range. The 74HC164D is packaged in a 14-pin SOIC (Small Outline Integrated Circuit) package, making it suitable for surface mount technology.
Key Specifications
| Characteristic | Symbol | Condition | Value | Unit |
|---|---|---|---|---|
| Supply Voltage (Max) | VCC | - | 6 | V |
| Supply Voltage (Min) | VCC | - | 2 | V |
| Operating Temperature | Topr | - | -40 to 125 | ℃ |
| Propagation Delay Time (Typ.) | tpd_tpz | VCC=5V | 15 | ns |
| Power Dissipation | PD | - | 500 | mW |
| Package Type | - | - | SOIC14 | - |
| Number of Pins | - | - | 14 | - |
| Mounting Type | - | - | Surface Mount | - |
Key Features
- High speed operation: fMAX = 58 MHz (typ.) at VCC = 5 V
- Low power dissipation: ICC = 4.0 µA (max) at Ta = 25 ℃
- Balanced propagation delays: tPLH ≈ tPHL
- Wide operating voltage range: VCC(opr) = 2.0 to 6.0 V
- Serial-in, parallel-out 8-bit shift register with CK input and overriding CLR input
- Two serial data inputs (A, B) for flexible data handling
- Protection circuits against static discharge or transient excess voltage
Applications
The 74HC164D is suitable for a variety of digital applications, including:
- Serial to parallel data conversion
- Shift register applications in digital circuits
- Buffering and storage in digital systems
- Timing and control circuits
- General-purpose logic circuits requiring high speed and low power consumption
Q & A
- What is the primary function of the 74HC164D?
The primary function of the 74HC164D is to act as an 8-bit serial-in/parallel-out shift register. - What is the maximum supply voltage for the 74HC164D?
The maximum supply voltage for the 74HC164D is 6 V. - What is the operating temperature range for the 74HC164D?
The operating temperature range for the 74HC164D is -40 to 125 ℃. - What is the typical propagation delay time for the 74HC164D at VCC=5V?
The typical propagation delay time for the 74HC164D at VCC=5V is 15 ns. - What type of package does the 74HC164D come in?
The 74HC164D comes in a 14-pin SOIC package. - What is the maximum power dissipation for the 74HC164D?
The maximum power dissipation for the 74HC164D is 500 mW. - Does the 74HC164D have protection against static discharge?
Yes, the 74HC164D has protection circuits against static discharge or transient excess voltage. - What is the maximum clock frequency for the 74HC164D?
The maximum clock frequency for the 74HC164D is 58 MHz (typ.) at VCC=5V. - How many serial data inputs does the 74HC164D have?
The 74HC164D has two serial data inputs (A, B). - What is the typical current consumption of the 74HC164D at room temperature?
The typical current consumption of the 74HC164D at room temperature (Ta=25 ℃) is 4.0 µA (max).
