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SN74HC595D
+BOMIC 8-BIT SHIFT REGISTER 16-SOIC
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ManufacturerTexas Instruments
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Mfr. Part #SN74HC595D
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Package SOIC-Narrow-16
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In Stock7193
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Specifications
| Attribute | Value |
| Package | Bulk,Tube |
| Series | 74HC |
| ProductStatus | Active |
| LogicType | Shift Register |
| OutputType | Tri-State |
| NumberofElements | 1 |
| NumberofBitsperElement | 8 |
| Function | Serial to Parallel, Serial |
| Voltage-Supply | 2V ~ 6V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 16-SOIC (0.154, 3.90mm Width) |
Overview
Description
Key features include:
1. 8-bit Serial-In, Parallel-Out Shift Register: Allows serial input to be converted to parallel output.
2. 8-bit Storage Register: Holds the data for output.
3. Tri-State Outputs: Enables multiple devices to connect to a single bus without interference.
4. Latch Functionality: The storage register can latch data independently of the input clock, maintaining output state.
5. Wide Supply Range: Operates from 2V to 6V, suitable for a variety of applications.
6. High-Speed Operation: Can handle input frequencies up to 6MHz.
Applications of the SN74HC595D include driving LED displays, expanding microcontroller outputs, and creating cascading registers for larger data buses. Its compact SOP-16 package makes it suitable for space-constrained designs.
Equivalent
1. 74HC595 from NXP
2. MM74HC595 from ON Semiconductor
3. CD74HC595 from Texas Instruments
4. MC74HC595 from STMicroelectronics
These chips offer similar functionality and are commonly used in projects requiring multiple outputs controlled by a few input lines. Always verify specifications to ensure compatibility with your application.
Features
1. Logic Family: High-speed CMOS (HC).
2. Supply Voltage: Operates between 2V to 6V.
3. Low Power Consumption: Utilizes CMOS technology for efficiency.
4. Serial Data Input: Allows serial shifting of data into the register.
5. Parallel Data Output: Provides 8 parallel outputs for interfacing.
6. Output Enable Control: Facilitates control over the outputs.
7. 3-State Output: Outputs can be set to high, low, or high-impedance states.
8. Clock Input: For synchronous data shifting.
9. Latch Enable: Allows data to be transferred to output storage register.
10. Daisy-Chaining Capability: Multiple devices can be cascaded for additional outputs.
11. Operating Temperature Range: -40°C to 85°C, suitable for industrial applications.
These features make the SN74HC595D suitable for applications requiring control of multiple outputs with limited GPIO pins.
Pinout
Here’s a concise overview of its pins and functions:
1. Q1-Q7 (Pins 1-7): Outputs from the shift register.
2. GND (Pin 8): Ground reference.
3. Q7’ (Pin 9): Serial data output for cascading multiple ICs.
4. MR (Pin 10): Master reset; active LOW.
5. SH_CP (Pin 11): Shift register clock input.
6. ST_CP (Pin 12): Storage register clock input (latch pin).
7. OE (Pin 13): Output enable; active LOW.
8. D-SER (Pin 14): Serial data input.
9. VCC (Pin 16): Supply voltage.
Pin 15 is Q0, the first output of the shift register. The SN74HC595D allows you to control multiple outputs with just a few microcontroller pins, making it ideal for applications like LED displays, where numerous outputs are needed.