CY74FCT480BTQCTE4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
CY74FCT480BTQCTE4 is a dual 8-bit parity generator/checker by Texas Instruments in the FCT logic family with open-drain outputs. Key specs: 2 independent 8-bit parity functions, 50 pF load capacitance, 24-pin SOIC package. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 24
- Lifecycle
- OBSOLETE
- Datasheet
- CY74FCT480BTQCTE4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of CY74FCT480BTQCTE4?
- Dual independent 8-bit parity generator/checker functions enable simultaneous parity checking of two separate data bytes
- Open-drain inverted outputs allow multiple parity checkers to wire-OR onto a shared error line without external gates
- FCT-family high-speed logic achieves fast propagation delay at 50 pF load, suitable for high-throughput bus interfaces
- 24-pin SOIC (R-PDSO-G24) package provides compact SMT footprint for embedded error-detection circuitry on dense PCBs
- Separate odd/even parity selection per 8-bit group supports both odd and even parity schemes in mixed-protocol systems
What is CY74FCT480BTQCTE4 used for?
The CY74FCT480BTQCTE4 is used in memory bus integrity circuits, UART error detection add-ons, and industrial communication boards where hardware parity generation and checking over 8-bit data bytes is required. Its dual independent 8-bit function blocks allow a single IC to protect two separate byte-wide data buses or to handle both transmit parity generation and receive parity checking simultaneously. Open-drain outputs make it straightforward to combine multiple parity checker outputs onto a single active-low error interrupt line in fault-tolerant industrial controllers and networking equipment.
What are the specifications of CY74FCT480BTQCTE4?
| Pbfree Code | No |
| YTEOL | 0 |
| Family | FCT |
| JESD-30 Code | R-PDSO-G24 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | PARITY GENERATOR/CHECKER |
| Number of Bits | 8 |
| Number of Functions | 2 |
| Output Characteristics | OPEN-DRAIN |
| Output Polarity | INVERTED |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SSOP24,.24 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, SHRINK PITCH |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| Power Supply Current-Max (ICC) | 21mA |
| Propagation Delay (tpd) | 6.1ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.25V |
| Supply Voltage-Min (Vsup) | 4.75V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.635mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8542.39.00.60 |
Where can I find the CY74FCT480BTQCTE4 datasheet?
CY74FCT480BTQCTE4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for CY74FCT480BTQCTE4?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How many data bits does each parity function in the CY74FCT480BTQCTE4 check, and how many functions are included?
Each of the 2 independent parity generator/checker functions in the CY74FCT480BTQCTE4 processes 8 data bits, providing a 1-bit odd or even parity output per byte. Having 2 functions in one 24-pin package allows simultaneous hardware parity detection on both the high byte and the low byte of a 16-bit data bus without a second IC.
Why do the open-drain outputs of CY74FCT480BTQCTE4 simplify fault-detection bus design?
Open-drain inverted outputs allow multiple CY74FCT480BTQCTE4 devices to share a single wired-AND (active-low) error bus. If any checker detects a parity error, its output pulls the shared line low, signaling a fault to a microcontroller interrupt pin without external OR gates. This topology scales easily to 4, 8, or more byte-wide parity checkers monitoring a wide data bus—common in ECC memory controllers and fault-tolerant industrial data links.
What load capacitance is the CY74FCT480BTQCTE4 rated for, and how does the FCT family speed compare to standard HC logic?
The device is characterized at 50 pF load capacitance. FCT (Fast CMOS TTL-compatible) logic typically achieves propagation delays of 5–8 ns at 50 pF, which is approximately 3–4 times faster than 74HC logic at the same capacitive load. This speed makes CY74FCT480BTQCTE4 suitable for high-throughput bus cycles where parity must be generated or checked within a bus cycle time of 20 ns or less.
Is the CY74FCT480BTQCTE4 RoHS-compliant, and how does that affect procurement for new designs?
The CY74FCT480BTQCTE4 carries a Pb-free code of 'No' (JESD-609 code not e3/e4), indicating it is not fully RoHS-compliant in this variant. For new designs subject to RoHS directives (EU Directive 2011/65/EU and amendments), engineers should verify an available Pb-free alternative or a distributor-confirmed RoHS-exempt exemption before committing to volume production to avoid regulatory issues.
Related Guides
STM32H725IGT3 Selection Guide: Memory, Package, Temperature, and Supply
Choose the right STM32H725 variant by comparing Flash, package, pin count, temperature grade, connectivity, and production requirements.
Aug 1, 2026
STM32H725IGT3 High-Performance MCU Design Guide
Design STM32H725IGT3 systems for reliable 550 MHz operation with practical power, clock, cache, DMA, PCB, ADC, and recovery guidance.
Jul 31, 2026
150141VS73100 Violet SMD LED Selection Guide: Color, Drive, and Sourcing
Select the 150141VS73100 by wavelength, brightness, drive current, 3528 fit, reliability, and traceable sourcing requirements.
Jul 31, 2026
STEF05SGR 5 V eFuse Protection Design Guide
Design a reliable 5 V STEF05SGR eFuse stage with current-limit math, capacitor sizing, thermal analysis, fault recovery, and PCB layout guidance.
Jul 30, 2026
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
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“We've been using FindMyChip for 2 years. Pricing is consistently 20-30% below Mouser/DigiKey for volume orders.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit