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SN74HC595DR
+BOMIC 8BIT SHIFT REG 3ST-OUT 16SOIC
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ManufacturerTexas Instruments
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Mfr. Part #SN74HC595DR
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Package SOIC (D)-16
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In Stock4897
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Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| 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:
- 8-bit Serial-In, Parallel-Out Shift Register: Allows serial data input and parallel data output.
- Storage Register with 3-State Outputs: Facilitates easy data management and interfacing.
- Supports Cascading: Multiple SN74HC595DR chips can be linked together to increase the number of output pins.
- High-Speed Operation: Operates at relatively high speeds, which is ideal for various digital applications.
- Wide Voltage Range: Compatible with 2V to 6V systems, making it versatile for different power supply configurations.
Applications include LED displays, data buses, and other digital signal applications where increased output connectivity is needed. Its compact design in SOIC packaging makes it suitable for space-constrained projects.
Equivalent
1. 74HC595 by NXP
2. MC74HC595 by ON Semiconductor
3. TC74HC595 by Toshiba
4. CD74HC595 by Texas Instruments (variation)
5. HEF4094 by Nexperia (similar functionality)
These alternatives offer comparable functionality and are suitable for similar applications in digital circuit designs. Always check the datasheets for compatibility and specific requirements.
Features
1. 8-bit Serial-In, Parallel-Out Shift Register: It allows serial data input and parallel data output.
2. Storage Register: Data in the shift register can be latched or stored, allowing for independent clocking of shift and storage registers.
3. Three-State Outputs: This feature enables multiple devices to share the same data lines without conflicts.
4. High-Speed Operation: It operates with a clock frequency typically up to 6 MHz.
5. Wide Operating Voltage Range: From 2V to 6V, making it suitable for both 3.3V and 5V logic levels.
6. Low Power Consumption: The CMOS technology ensures minimal power usage.
7. Latch and Shift Functionality: Separate clocks for the shift and storage registers provide flexible data handling.
8. Compact Package: Available in SOIC (Small Outline Integrated Circuit) package, ideal for space-constrained applications.
These features make the SN74HC595DR suitable for applications requiring efficient data handling, such as LED displays and data transfer in microcontroller systems.
Pinout
1. Q1-Q7 (Pins 1-7): Parallel output pins for the stored data.
2. Q7' (Pin 9): Serial data output for cascading multiple devices.
3. MR (Pin 10): Master Reset, active-low, which clears the shift register.
4. SH_CP (Pin 11): Shift register clock input, triggers the data shift on the rising edge.
5. ST_CP (Pin 12): Storage register clock input, moves data from the shift register to storage on the rising edge.
6. OE (Pin 13): Output Enable, active-low, enables outputs Q0-Q7.
7. DS (Pin 14): Serial data input.
8. VCC (Pin 16): Supply voltage.
9. GND (Pin 8): Ground.
The SN74HC595DR is typically used to drive LEDs, control signals, or other devices where multiple outputs are needed but IO pins are limited.