CY74FCT162245TPVCT Equivalent & Substitute Parts

Part Overview

The CY74FCT162245TPVCT is a non-inverting transceiver logic IC manufactured by Texas Instruments, featuring 2 elements with 8 bits per element and 3-state output capability in a 48-SSOP package. This part operates at 4.5V to 5.5V supply voltage with output currents of 24mA (high and low). The device is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity.

Key Parameters

Parameter	Value
Manufacturer Part Number	CY74FCT162245TPVCT
Manufacturer	Texas Instruments
Logic Type	Transceiver, Non-Inverting
Number of Elements	2
Number of Bits per Element	8
Output Type	3-State
Current - Output High, Low	24mA, 24mA
Voltage - Supply	4.5V ~ 5.5V
Operating Temperature	-40°C ~ 85°C (TA)
Package / Case	48-BSSOP (0.295", 7.50mm Width)
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the CY74FCT162245TPVCT is determined by the following critical parameters:

Functional Equivalence Requirements:

Logic type: Transceiver, Non-Inverting
Number of elements: 2
Number of bits per element: 8
Output type: 3-State
Operating temperature range: -40°C ~ 85°C (TA)

Electrical Compatibility Requirements:

Voltage supply range: 4.5V ~ 5.5V (or compatible subset)
Output current capability: 24mA minimum (high and low)
Package / Case: 48-BSSOP or 48-TFSOP (mechanically compatible)

Compliance Requirements:

RoHS3 compliance
MSL rating: 1 (Unlimited) or equivalent

Substitute parts are grouped into two categories: MFR Recommended substitutes (manufacturer-endorsed alternatives) and Parametric Equivalents (parts meeting all functional and electrical specifications).

Parameter Comparison

Part Number	Manufacturer	Logic Type	Elements / Bits	Output Type	Current (mA)	Voltage (V)	Temp Range (°C)	Package	Status
CY74FCT162245TPVCT	Texas Instruments	Transceiver, Non-Inverting	2 / 8	3-State	24, 24	4.5 ~ 5.5	-40 ~ 85	48-BSSOP	Obsolete
SN74LVCR162245DLR	Texas Instruments	Transceiver, Non-Inverting	2 / 8	3-State	12, 12	2.7 ~ 3.6	-40 ~ 85	48-BSSOP	Active
74ACT16245DLR	Texas Instruments	Transceiver, Non-Inverting	2 / 8	3-State	24, 24	4.5 ~ 5.5	-40 ~ 85	48-BSSOP	Active
74ACT16623DLR	Texas Instruments	Transceiver, Non-Inverting	2 / 8	3-State	24, 24	4.5 ~ 5.5	-40 ~ 85	48-BSSOP	Obsolete
74FCT162245ATPVCT	Cypress Semiconductor Corp	Transceiver, Non-Inverting	2 / 8	3-State	24, 24	4.5 ~ 5.5	-40 ~ 85	48-BSSOP	Active
74FCT162245ATPAG	Renesas Electronics Corporation	Transceiver, Non-Inverting	2 / 8	3-State	24, 24	4.5 ~ 5.5	-40 ~ 85	48-TFSOP	Obsolete
74FCT162245ATPVG	Renesas Electronics Corporation	Transceiver, Non-Inverting	2 / 8	3-State	24, 24	4.5 ~ 5.5	-40 ~ 85	48-BSSOP	Obsolete
74FCT162245CTPAG	IDT, Integrated Device Technology Inc	Transceiver, Non-Inverting	2 / 8	3-State	24, 24	4.5 ~ 5.5	-40 ~ 85	48-TFSOP	Active
74FCT162245CTPAG8	IDT, Integrated Device Technology Inc	Transceiver, Non-Inverting	2 / 8	3-State	24, 24	4.5 ~ 5.5	-40 ~ 85	48-TFSOP	Active
74FCT16245ATPAG	IDT, Integrated Device Technology Inc	Transceiver, Non-Inverting	2 / 8	3-State	32, 64	4.5 ~ 5.5	-40 ~ 85	48-TFSOP	Active
74FCT16245ATPAG8	Renesas Electronics Corporation	Transceiver, Non-Inverting	2 / 8	3-State	32, 64	4.5 ~ 5.5	-40 ~ 85	48-TFSOP	Active

Engineering Selection Recommendations

Primary Recommendation - Direct Replacement (Active Status): The 74FCT162245ATPVCT (Cypress Semiconductor Corp) is the preferred direct substitute. It maintains identical electrical specifications (24mA output current, 4.5V ~ 5.5V supply), the same 48-BSSOP package footprint, and active product status with ROHS3 compliance and MSL 1 rating.

Alternative - Voltage-Compatible Substitute (Active Status): The 74ACT16245DLR (Texas Instruments) provides parametric equivalence with identical output current (24mA), voltage range (4.5V ~ 5.5V), and operating temperature. This part is active and ROHS3 compliant. Package is 48-BSSOP, matching the original footprint.

Lower-Power Alternative (Active Status, Different Voltage Range): The SN74LVCR162245DLR (Texas Instruments) is an active substitute with reduced output current (12mA) and operates at 2.7V ~ 3.6V. This part is suitable only if the application can accommodate lower supply voltage and reduced output drive capability.

Higher-Current Alternatives (Active Status, Different Package): The 74FCT16245ATPAG and 74FCT16245ATPAG8 provide higher output current capability (32mA high, 64mA low) but use the 48-TFSOP package (0.240" width) instead of 48-BSSOP (0.295" width). These are suitable only if PCB layout can accommodate the different package footprint.

Active Substitutes with Package Variation: The 74FCT162245CTPAG and 74FCT162245CTPAG8 (IDT) maintain identical electrical specifications but use 48-TFSOP packaging. Both are active products with ROHS3 compliance.

Frequently Asked Questions (FAQ)

Q: Can I use SN74LVCR162245DLR as a direct replacement? A: No. While functionally equivalent, the SN74LVCR162245DLR operates at 2.7V ~ 3.6V supply voltage, which is incompatible with the original 4.5V ~ 5.5V specification. Use only if your circuit design supports 3.6V maximum supply voltage.

Q: What is the difference between 48-BSSOP and 48-TFSOP packages? A: Both are 48-pin surface mount packages but differ in width: 48-BSSOP is 0.295" (7.50mm) wide, while 48-TFSOP is 0.240" (6.10mm) wide. PCB footprints are not interchangeable without layout modification.

Q: Why do 74FCT16245ATPAG and 74FCT16245ATPAG8 have higher output current? A: These parts use a different base design (74FCT16245 vs. 74FCT162245) with enhanced output drive capability (32mA high, 64mA low). They are compatible electrically but provide greater current capacity.

Q: Is 74ACT16623DLR a suitable substitute? A: 74ACT16623DLR meets all electrical and functional specifications but is classified as obsolete. It is not recommended for new designs. Use 74ACT16245DLR (active status) instead.

Q: What does MSL 1 (Unlimited) mean for moisture sensitivity? A: MSL 1 indicates the component has unlimited shelf life without moisture baking requirements. All recommended substitutes maintain this rating or equivalent, ensuring consistent handling procedures.

Q: Can I use 74FCT162245ATPVG as a replacement? A: 74FCT162245ATPVG is electrically compatible but is obsolete and has MSL 3 (168 Hours) moisture sensitivity, requiring moisture baking before reflow. Use active alternatives instead.

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