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SN74HC595PW
+NomenclatureIC SHIFT REGISTER 8BIT 16-TSSOP
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FabricantTexas Instruments
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Pièce fabricant #SN74HC595PW
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Package TSSOP-16
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En stock3956
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Spécifications
| Attribut | Valeur |
| Package | 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-TSSOP (0.173, 4.40mm Width) |
Présentation
Description
Key features include:
1. 8-Bit Shift Register: Serial data input allows for storage of data bits, which can be shifted in and out.
2. Parallel Outputs: The stored data can be output simultaneously on eight parallel output pins.
3. Three-State Outputs: Outputs can be set to high, low, or high-impedance state, enabling easy connection to bus lines.
4. Clock and Latch Pins: Data shifting is controlled by a clock pin, while a latch pin updates the output register.
5. Cascade Capability: Multiple SN74HC595PW devices can be connected in series for expanding the output capability.
This IC is commonly used in applications such as LED displays, data buses, and other digital tasks requiring multiple outputs from limited I/O pins.
Equivalent
Features
1. Serial to Parallel Conversion: Converts serial input data to parallel output.
2. 8-Bit Shift Register: Integrates an 8-bit register with output latches for parallel data storage.
3. High-Speed Operation: Offers fast switching speeds suitable for high-frequency applications.
4. Low Power Consumption: Utilizes CMOS technology for efficient power usage.
5. 3-State Outputs: Provides tri-state output capabilities, enabling direct bus line driving.
6. Wide Supply Voltage: Operates over a voltage range of 2V to 6V, enhancing application flexibility.
7. Data Latching: Includes separate serial and latch clocks to manage data shifting and latching independently.
8. Cascade Capability: Multiple SN74HC595PW devices can be cascaded for extended data width.
9. Compact Package: Available in a TSSOP package, suitable for space-constrained designs.
10. High Noise Immunity: Ensures reliable performance in noisy environments.
These features make it ideal for use in applications requiring data display, LED driving, and microcontroller interfacing.
Pinout
1. Q1 to Q7 (Pins 15, 1-7): Parallel output pins.
2. GND (Pin 8): Ground.
3. VCC (Pin 16): Power supply.
4. DS (Pin 14): Serial data input.
5. STCP (Pin 12): Storage register clock input (latch pin).
6. SHCP (Pin 11): Shift register clock input.
7. OE (Pin 13): Output enable (active low).
8. MR (Pin 10): Master reset (active low).
9. Q7' (Pin 9): Serial data output for cascading multiple shift registers.
The SN74HC595PW allows a microcontroller to control a larger number of outputs using fewer pins by shifting data into the IC serially and then latching it to the outputs. This makes it useful in applications like LED displays, where numerous outputs need to be controlled.