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Home Products Integrated Circuits (ICs)Logic - Buffers, Drivers, Receivers, Transceivers~~CY74FCT16245TPVCT~~

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CY74FCT16245TPVCT - Texas Instruments

Name: Texas Instruments CY74FCT16245TPVCT
Brand: Texas Instruments
SKU: CY74FCT16245TPVCT
Price: 1.82 USD
Availability: InStock
Rating: 5 (4 reviews)

Manufacturer Part Number: CY74FCT16245TPVCT

Manufacturer: Texas Instruments

Allelco Part Number: 98D-CY74FCT16245TPVCT

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 38,851 pcs available, New & Original

Parts Description: IC TXRX NON-INVERT 5.5V 48SSOP

Package: 48-SSOP

Data sheet: CY74FCT16245TPV.pdf

PCN Obsolescence/ EOL
Mult Dev EOL 22/Dec/2022.pdf

HTML Datasheet
CY74FCT162(H)245T.pdf

RoHs Status: ROHS3 Compliant

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Specifications

CY74FCT16245TPVCT Tech Specifications
Texas Instruments - CY74FCT16245TPVCT technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - CY74FCT16245TPVCT

Product Attribute	Attribute Value
Manufacturer	Texas Instruments
Voltage - Supply	4.5V ~ 5.5V
Supplier Device Package	48-SSOP
Series	74FCT
Package / Case	48-BSSOP (0.295", 7.50mm Width)
Package	Tape & Reel (TR)
Output Type	3-State
Operating Temperature	-40°C ~ 85°C (TA)

Product Attribute	Attribute Value
Number of Elements	2
Number of Bits per Element	8
Mounting Type	Surface Mount
Logic Type	Transceiver, Non-Inverting
Input Type	-
Current - Output High, Low	32mA, 64mA
Base Product Number	74FCT16245

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected
ECCN	EAR99
HTSUS	8542.39.0001

Frequently Asked Questions(FAQ)

How does the CY74FCT16245TPVCT handle signal direction control in a bidirectional bus interface, and what are the timing implications for high-speed systems?: The CY74FCT16245TPVCT implements a dual-direction data flow using independent input and output buffers with tri-state outputs controlled by the DIR pin. When DIR is asserted high, data flows from A to B ports; when low, it reverses to B to A. The propagation delay through each element is typically 3.2 ns at VCC = 5.0 V and 25°C, which limits maximum toggle rates to approximately 156 MHz under ideal conditions. In practical system design, this translates to a recommended maximum clock frequency of 125 MHz when accounting for setup and hold margins. The device’s 64 mA sink current capability on low-level outputs supports driving moderate fan-out loads without requiring external buffering.

What supply voltage range and noise margin characteristics make the CY74FCT16245TPVCT suitable for mixed-voltage environments in industrial applications?: The CY74FCT16245TPVCT operates reliably across 4.5 V to 5.5 V, ensuring compatibility with standard TTL logic families while maintaining robust noise immunity. At 5.0 V supply, the typical high-level output voltage (VOH) is 2.8 V with 32 mA sourcing capability, while VOL reaches 0.4 V when sinking 64 mA. This results in a differential noise margin of ~2.4 V, which exceeds the 2.0 V required for reliable operation in electrically noisy industrial settings such as motor control or power distribution systems where EMI may induce transient fluctuations.

Can the CY74FCT16245TPVCT be used in hot-swapping scenarios without risking latch-up or excessive inrush current?: Yes, but only under controlled conditions. The device includes ESD protection diodes rated at ±2 kV HBM, which help mitigate static discharge risks during handling. However, hot insertion into live backplanes can still cause momentary voltage overshoot if the input signals transition before VCC stabilizes. To prevent latch-up—especially near the upper voltage limit of 5.5 V—it is critical that all inputs remain within the –0.5 V to VCC + 0.5 V range until VCC reaches a stable level above 4.5 V. Adding series resistors (typically 22 Ω) on I/O lines reduces peak transient currents below 100 mA, aligning with JEDEC JESD78 Class II latch-up test criteria.

How does the 3-state output configuration of the CY74FCT16245TPVCT impact bus contention risk in multi-master systems?: The tri-state outputs allow multiple transceivers to share a common data bus by enabling only one driver at a time via OE (output enable) control. Each OE pin independently controls its respective 8-bit bank, reducing cross-channel interference. Bus contention is avoided as long as OE signals are mutually exclusive during simultaneous assertion attempts. The output disable time is typically 2.1 ns, ensuring clean transitions when switching between active and high-impedance states. For synchronous systems, synchronizing OE changes with the clock minimizes glitches during mode transitions and enhances system reliability.

What thermal considerations should be evaluated when operating the CY74FCT16245TPVCT in compact enclosures with limited airflow?: Operating the CY74FCT16245TPVCT at full load (16 bits × 64 mA = 1.024 A total sink current) generates approximately 1.2 W of power dissipation in a 48-SSOP package with θJA ≈ 65°C/W. Under natural convection, this could raise junction temperature by over 78°C above ambient, potentially exceeding the 150°C maximum rating even at TA = 85°C. Therefore, sustained high-output loading requires careful PCB layout with thermal vias or copper pours to lower effective θJA. In sealed or stacked designs, derating output current to ≤40 mA per pin reduces power loss and improves long-term thermal stability.

How does the CY74FCT16245TPVCT compare to CMOS-based alternatives like the SN74LVC16T245DGGR in terms of power consumption and drive strength?: Unlike CMOS devices such as the SN74LVC16T245DGGR, which consume microamps of quiescent current due to floating-gate transistors, the CY74FCT16245TPVCT uses bipolar FET-enhanced TTL logic resulting in higher standby power (~10 mA typical). However, it delivers superior short-circuit current handling—up to 64 mA sinking vs. ~32 mA in LVC variants—making it preferable for driving legacy TTL loads or capacitive lines with fast rise times. While LVC offers wider 1.65–5.5 V operation and lower propagation delay (≈2.5 ns), the FCT family provides better noise margins and faster slew rates under heavy loads, justifying its use in mixed-technology environments where compatibility with older logic families is essential.

Is it possible to cascade multiple CY74FCT16245TPVCT units to create a wider bus transceiver without introducing significant skew?: Cascading two or more CY74FCT16245TPVCT units to form a 32-bit or wider bus is feasible, provided matched trace lengths are maintained on corresponding signal paths. Since each element has consistent propagation delay (tPLH/tPHL ≈ 3.2 ns), channel-to-channel skew remains below 0.5 ns if routed symmetrically on multilayer PCBs. However, cumulative jitter increases with distance, so clock recovery circuits must account for worst-case skew accumulation. Additionally, enable/direction signals should originate from a single source to avoid asynchronous switching that could lead to transient bus contention during direction changes.

What role does the OE pin play in preventing data corruption during microcontroller reset sequences involving the CY74FCT16245TPVCT?: During microcontroller reset, GPIO pins often default to high-impedance states, leaving OE unconnected. Without pull-down resistors, OE may float high, activating unintended transceiver banks and causing bus contention if other drivers are active. Connecting OE to a known state (e.g., pulled low via 10 kΩ resistor) ensures outputs remain disabled until firmware initializes the bus protocol. This practice prevents glitch-induced data corruption during boot-up and aligns with recommended startup sequencing guidelines for bus interfaces in embedded systems using the CY74FCT16245TPVCT.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments CY74FCT16245TPVCT

Product Attribute
Part Number	CY74FCT16245CTPVCT	CY74FCT16245ETPVCT	CY74FCT16245CTPACT	CY74FCT16245CTPVC
Manufacturer	Texas Instruments	Cypress Semiconductor Corp	Texas Instruments	Texas Instruments
Series	-	-	-	-
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Voltage - Supply	-	-	-	-
Input Type	-	-	-	Differential
Supplier Device Package	-	196-NFBGA (12x12)	16-PDIP	64-VQFN (9x9)
Mounting Type	-	Surface Mount	Through Hole	Surface Mount
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Number of Bits per Element	-	-	-	-
Current - Output High, Low	-	-	-	-
Base Product Number	-	DAC34H84	MAX500	ADS62P42
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Number of Elements	-	-	-	-
Output Type	-	Current - Unbuffered	Voltage - Buffered	-
Logic Type	-	-	-	-

CY74FCT16245TPVCT Datasheet PDF

Download CY74FCT16245TPVCT pdf datasheets and Texas Instruments documentation for CY74FCT16245TPVCT - Texas Instruments.

PCN Obsolescence/ EOL: Mult Dev EOL 22/Dec/2022.pdf
HTML Datasheet: CY74FCT162(H)245T.pdf

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Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
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