74FCT162245ATPAG Equivalent & Substitute Parts

Part Overview

The 74FCT162245ATPAG is a non-inverting transceiver logic IC manufactured by Renesas Electronics Corporation, featuring 2 elements with 8 bits per element and 3-state output capability in a 48-TSSOP package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. The part operates within a 4.5V to 5.5V supply voltage range with output drive capability of 24mA for both high and low states, suitable for bus transceiver applications requiring bidirectional signal buffering.

Key Parameters

Parameter	Value
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)
Mounting Type	Surface Mount
Package / Case	48-TFSOP (0.240", 6.10mm Width)
Series	74FCT
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the 74FCT162245ATPAG is determined by strict equivalence across the following critical parameters: logic type (non-inverting transceiver), element count (2), bits per element (8), output type (3-state), output drive current (24mA / 24mA), supply voltage range (4.5V ~ 5.5V), operating temperature range (-40°C ~ 85°C), and mounting type (surface mount). Package variations are permitted within the 74FCT series when mechanical and electrical compatibility is maintained. Substitute parts are grouped into two categories: parametric equivalents with identical electrical specifications and manufacturer-recommended alternatives that maintain functional compatibility while potentially differing in packaging format or base product designation.

Parameter Comparison

Part Number	Manufacturer	Logic Type	Elements / Bits	Output Current (mA)	Supply Voltage	Temp Range (°C)	Package	Product Status
74FCT162245ATPAG	Renesas Electronics	Transceiver, Non-Inverting	2 / 8	24 / 24	4.5V ~ 5.5V	-40 ~ 85	48-TFSOP	Obsolete
74FCT162245CTPAG	IDT	Transceiver, Non-Inverting	2 / 8	24 / 24	4.5V ~ 5.5V	-40 ~ 85	48-TFSOP	Active
74FCT162245ATPACT	Texas Instruments	Transceiver, Non-Inverting	2 / 8	24 / 24	4.5V ~ 5.5V	-40 ~ 85	48-TFSOP	Obsolete
74FCT162245ATPVCT	Cypress Semiconductor	Transceiver, Non-Inverting	2 / 8	24 / 24	4.5V ~ 5.5V	-40 ~ 85	48-BSSOP	Active
74FCT162245CTPACT	Texas Instruments	Transceiver, Non-Inverting	2 / 8	24 / 24	4.5V ~ 5.5V	-40 ~ 85	48-TFSOP	Obsolete
74FCT16245TPVCG4	Texas Instruments	Transceiver, Non-Inverting	2 / 8	32 / 64	4.5V ~ 5.5V	-40 ~ 85	48-BSSOP	Obsolete
74FCT162H245ATPACT	Texas Instruments	Transceiver, Non-Inverting	2 / 8	24 / 24	4.5V ~ 5.5V	-40 ~ 85	48-TFSOP	Obsolete
74FCT162H245ATPVC	Texas Instruments	Transceiver, Non-Inverting	2 / 8	24 / 24	4.5V ~ 5.5V	-40 ~ 85	48-BSSOP	Obsolete
74FCT162H245CTPACT	Texas Instruments	Transceiver, Non-Inverting	2 / 8	24 / 24	4.5V ~ 5.5V	-40 ~ 85	48-TFSOP	Obsolete
74FCT162H245CTPVC	Cypress Semiconductor	Transceiver, Non-Inverting	2 / 8	24 / 24	4.5V ~ 5.5V	-40 ~ 85	48-BSSOP	Active
CY74FCT162245ATPVC	Cypress Semiconductor	Transceiver, Non-Inverting	2 / 8	24 / 24	4.5V ~ 5.5V	-40 ~ 85	48-BSSOP	Active

Engineering Selection Recommendations

For new designs and ongoing procurement, 74FCT162245CTPAG (IDT) is the primary parametric equivalent, offering identical electrical specifications with active product status and ROHS3 compliance. This part maintains the 48-TFSOP package format of the original 74FCT162245ATPAG.

For applications where 48-BSSOP packaging is acceptable, 74FCT162H245CTPVC (Cypress Semiconductor) and CY74FCT162245ATPVC (Cypress Semiconductor) provide active product status with full electrical compatibility. Both Cypress parts are currently in production and carry ROHS3 compliance.

Texas Instruments alternatives (74FCT162245ATPACT, 74FCT162245CTPACT, 74FCT162H245ATPACT, 74FCT162H245CTPACT) maintain electrical equivalence but are classified as obsolete. These parts should be considered only when existing inventory is available or when design constraints require Texas Instruments sourcing.

The part 74FCT16245TPVCG4 exhibits higher output drive current (32mA / 64mA) and should not be used as a direct substitute unless the application specifically requires increased drive capability.

Frequently Asked Questions (FAQ)

Q: Can I substitute 74FCT162245CTPAG for 74FCT162ATPAG in my design?

A: Yes. The 74FCT162245CTPAG is a parametric equivalent with identical logic type, element count, bit width, output type, drive current, supply voltage, and operating temperature range. Both use the 48-TFSOP package. The primary advantage is that 74FCT162245CTPAG maintains active product status.

Q: What is the difference between 48-TFSOP and 48-BSSOP packages?

A: Both are surface-mount packages with 48 pins. The 48-TFSOP (Thin Fine-Pitch Small Outline Package) has a 0.240" width with 6.10mm body width. The 48-BSSOP (Broad Small Outline Package) has a 0.295" width with 7.50mm body width. Electrical performance is identical; package selection depends on PCB layout constraints and assembly capabilities.

Q: Why is 74FCT16245TPVCG4 not recommended as a direct substitute?

A: While 74FCT16245TPVCG4 maintains the same logic architecture and package family, it specifies higher output drive current (32mA / 64mA versus 24mA / 24mA). This difference may cause signal integrity issues in designs optimized for the lower drive specification of the original part.

Q: Are all substitute parts ROHS3 compliant?

A: The active-status parts (74FCT162245CTPAG, 74FCT162245ATPVCT, 74FCT162H245CTPVC, CY74FCT162245ATPVC) are ROHS3 compliant. Obsolete parts from Texas Instruments carry ROHS3 compliance. Verify compliance documentation for your specific procurement source.

Q: Can I use Cypress Semiconductor parts in place of the original Renesas part?

A: Yes. Cypress Semiconductor 74FCT162H245CTPVC and CY74FCT162245ATPVC are electrically equivalent with active product status. The primary difference is package format (48-BSSOP instead of 48-TFSOP), which requires PCB layout verification for pin-to-pin compatibility.

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