CD74HC595MT Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
Texas Instruments CD74HC595MT is an 8-bit serial-in, parallel-out shift register with 3-state output latches clocked at up to 25 MHz from a 2 V to 6 V supply. It supports daisy-chaining for expanding GPIO output lines using only 3 microcontroller pins. Available from stock worldwide in a 16-pin SOIC package.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- CD74HC595MT Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.4158(MOQ 1)
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of CD74HC595MT?
- 8-bit serial-to-parallel conversion expands microcontroller output pins using only 3 SPI-compatible control signals
- 3-state output latches allow multiple devices to share a common parallel bus without signal contention
- Daisy-chain serial output enables cascading of multiple CD74HC595MT devices to drive 16, 24, or more outputs from a single port
- Up to 25 MHz clock frequency supports fast LED matrix refresh and high-speed parallel port expansion applications
What is CD74HC595MT used for?
The CD74HC595MT is extensively used in LED matrix displays, 7-segment display drivers, and relay driver boards where GPIO expansion from a microcontroller or FPGA is required. Its SPI-compatible serial interface allows a single master to control many cascaded shift registers with minimal wiring. The 3-state outputs and output-enable pin make it straightforward to share parallel bus lines with other devices on the same PCB.
What are the specifications of CD74HC595MT?
| YTEOL | 0 |
| Count Direction | RIGHT |
| Family | HC |
| 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 | 25000000Hz |
| Max I(ol) | 0.0078A |
| Number of Bits | 8 |
| Number of Functions | 1 |
| Output Characteristics | 3-STATE |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP16,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 0.16mA |
| Prop. Delay@Nom-Sup | 41ns |
| Propagation Delay (tpd) | 240ns |
| Qualification Status | Not Qualified |
| Schmitt Trigger | NO |
| Supply Voltage-Max (Vsup) | 6V |
| Supply Voltage-Min (Vsup) | 2V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | MILITARY |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Trigger Type | POSITIVE EDGE |
| fmax-Min | 24MHz |
| 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 | Mexico |
Where can I find the CD74HC595MT datasheet?
CD74HC595MT Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for CD74HC595MT?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many CD74HC595MT devices can be cascaded and how many output bits does each add to the chain?
Each CD74HC595MT adds 8 parallel outputs and passes serial data through its QH' pin to the next device's data input. Designers commonly cascade 2 to 8 devices from a single microcontroller SPI port, providing 16 to 64 output bits with only 3 control signals: clock, data, and latch. The maximum chain length is limited by total clock frequency and signal integrity.
At what clock frequency does CD74HC595MT operate and is it compatible with standard SPI speeds from a microcontroller?
The CD74HC595MT clocks at up to 25 MHz at 4.5 V supply, making it fully compatible with most microcontroller SPI peripherals operating at 1 MHz to 20 MHz. At 5 MHz clock speed, a single 8-bit transfer completes in 1.6 µs, allowing refresh of an 8-output display row within one SPI transaction.
How does the 3-state output enable on CD74HC595MT help in bus-sharing designs?
The active-low output-enable pin tri-states all 8 parallel outputs simultaneously when deasserted. This allows multiple CD74HC595MT devices or other parallel-output ICs to share the same 8-wire bus, with only one device driving at a time. The stored latch value is preserved during tri-state, so output data is not lost when the bus is released.
What supply voltage range does CD74HC595MT accept and does it operate correctly alongside 3.3 V and 5 V logic?
CD74HC595MT operates from 2 V to 6 V, spanning 3.3 V and 5 V systems. At 3.3 V supply the outputs drive 3.3 V CMOS levels with 7.8 mA sink current per output, sufficient for driving LEDs through current-limiting resistors. Level-shifting between a 3.3 V MCU and 5 V load drivers is straightforward since the VCC rail controls the output swing.
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Why Buy from FindMyChip
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.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.1000 | $1.10 |
| 1000+ | $0.5566 | $556.60 |
| 2500+ | $0.5279 | $1319.63 |
| 6250+ | $0.5116 | $3197.44 |
| 10000+ | $0.4962 | $4962.00 |
| 100000+ | $0.4158 | $41580.00 |
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