SN74AHC594PWIn StockTexas Instruments
SN74AHC594PW is an 8-bit serial-in, parallel-out shift register with output latches in a 16-pin TSSOP package. It operates at up to 95 MHz with 3.3V/5V supply, offering registered parallel output and unregistered serial output. From $0.557, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- SN74AHC594PW Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.5570(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8-bit serial-in, parallel-out shift register with registered parallel output and unregistered serial output for flexible data control
- High-speed AHC family logic operating at up to 95 MHz max frequency with 50 pF load capacitance
- Wide supply voltage range compatible with 3.3V and 5V systems, featuring 16-pin TSSOP (PDSO-G16) compact package
- Low output sink current of 8 mA (max I(ol)) suitable for driving standard logic loads
Applications
The SN74AHC594PW is widely used in LED display driving, port expansion, and serial-to-parallel data conversion in embedded systems. It is ideal for microcontroller I/O expansion in industrial control panels, consumer electronics, and communication equipment where space-efficient 16-pin TSSOP packaging is required. Its high-speed AHC logic family makes it suitable for data buffering and register applications in battery-powered and mixed-voltage designs.
Specifications
| YTEOL | 0 |
| Additional Feature | PARALLEL OUTPUT IS REGISTERED; UNREGISTERED SERIAL OUTPUT AVAILABLE |
| Count Direction | RIGHT |
| Family | AHC/VHC/H/U/V |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | SERIAL IN PARALLEL OUT |
| Max Frequency@Nom-Sup | 95000000Hz |
| Max I(ol) | 0.008A |
| Number of Bits | 8 |
| Number of Functions | 1 |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP16,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 0.04mA |
| Propagation Delay (tpd) | 13.9ns |
| Qualification Status | Not Qualified |
| Schmitt Trigger | NO |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 2V |
| Supply Voltage-Nom (Vsup) | 3.3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Trigger Type | POSITIVE EDGE |
| fmax-Min | 115MHz |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for SN74AHC594PW:
8-Bit, Right Direction, True Output, CMOS, PDSO16
Frequently Asked Questions
What is the maximum operating frequency of the SN74AHC594PW?
The SN74AHC594PW operates at a maximum clock frequency of 95 MHz (95,000,000 Hz) at nominal supply voltage with a 50 pF load capacitance, making it suitable for high-speed serial data shifting applications in modern digital systems.
What are the typical applications for the SN74AHC594PW shift register?
The SN74AHC594PW is commonly used in LED matrix driving, microcontroller I/O port expansion, serial-to-parallel data conversion, display controllers, and industrial automation systems. Its registered parallel output and unregistered serial output capability allow flexible daisy-chaining for expanding digital outputs in embedded designs.
What package type does the SN74AHC594PW use and what are its pin dimensions?
The SN74AHC594PW comes in a 16-pin TSSOP (PDSO-G16) small outline package, which is a compact surface-mount package ideal for space-constrained PCB designs. The PW suffix in the part number specifically denotes the TSSOP-16 package variant from Texas Instruments.
Is the SN74AHC594PW compatible with both 3.3V and 5V logic systems?
Yes, the SN74AHC594PW belongs to the AHC (Advanced High-Speed CMOS) logic family, which supports a wide supply voltage range and is compatible with both 3.3V and 5V logic levels. This makes it suitable for mixed-voltage designs and interfacing between different logic families in modern electronic systems.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.2593 | $1.26 |
| 5+ | $1.1585 | $5.79 |
| 23+ | $1.0074 | $23.17 |
| 25+ | $0.6980 | $17.45 |
| 100+ | $0.6380 | $63.80 |
| 250+ | $0.5570 | $139.25 |
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