74FCT162245ATPVG Equivalent & Substitute Parts

Part Overview

The 74FCT162245ATPVG is a non-inverting transceiver logic integrated circuit manufactured by Renesas Electronics Corporation. This device functions as a 16-bit bus transceiver with 2 elements of 8 bits per element, featuring 3-state output capability. The part is packaged in a 48-SSOP surface mount configuration and operates across a 4.5V to 5.5V supply voltage range with an operating temperature range of -40°C to 85°C.

The 74FCT162245ATPVG is classified as obsolete. Identifying equivalent and substitute parts is necessary to support legacy system maintenance, design continuity, and procurement planning when original inventory becomes unavailable.

Key Parameters

Parameter	Value
Manufacturer	Renesas Electronics Corporation
Part Number	74FCT162245ATPVG
Series	74FCT
Logic Type	Transceiver, Non-Inverting
Number of Elements	2
Bits per Element	8
Output Type	3-State
Output Current (High/Low)	24mA / 24mA
Supply Voltage	4.5V ~ 5.5V
Operating Temperature	-40°C ~ 85°C (TA)
Package Type	48-BSSOP (0.295", 7.50mm Width)
Mounting Type	Surface Mount
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	3 (168 Hours)

Substitute Part Grouping Explanation

Substitute parts for the 74FCT162245ATPVG are grouped based on electrical and mechanical compatibility. The primary substitution criteria are:

Electrical Parameters (Must Match):

Logic Type: Transceiver, Non-Inverting
Number of Elements: 2
Bits per Element: 8
Output Type: 3-State
Output Current: 24mA / 24mA (primary criterion)
Supply Voltage: 4.5V ~ 5.5V
Operating Temperature: -40°C ~ 85°C

Mechanical Parameters (Acceptable Variations):

Package Type: 48-BSSOP or 48-TFSOP (both are 48-pin configurations with compatible pinouts)
Mounting Type: Surface Mount (consistent across all substitutes)

Compliance Parameters:

RoHS3 Compliance
REACH Unaffected status

Substitutes are divided into two categories:

Category A - Direct Package Match (48-BSSOP): Parts maintaining the identical 48-BSSOP package footprint as the original 74FCT162245ATPVG.

Category B - Alternative Package (48-TFSOP): Parts using the 48-TFSOP package, which is mechanically compatible but requires PCB layout adjustment due to different package dimensions (0.240" vs 0.295" width).

Parts with output current specifications of 32mA/64mA (such as 74FCT16245TPVCG4 and CY74FCT16245ATPVC) are listed as substitutes but require electrical verification for applications sensitive to output drive capability.

Parameter Comparison

Part Number	Manufacturer	Logic Type	Elements	Bits/Element	Output Current (H/L)	Supply Voltage	Operating Temp	Package	Product Status	MSL
74FCT162245ATPVG	Renesas	Transceiver, Non-Inverting	2	8	24mA / 24mA	4.5V ~ 5.5V	-40°C ~ 85°C	48-BSSOP	Obsolete	3
74FCT162245ATPACT	Texas Instruments	Transceiver, Non-Inverting	2	8	24mA / 24mA	4.5V ~ 5.5V	-40°C ~ 85°C	48-TFSOP	Obsolete	1
74FCT162245ATPVCT	Cypress Semiconductor	Transceiver, Non-Inverting	2	8	24mA / 24mA	4.5V ~ 5.5V	-40°C ~ 85°C	48-BSSOP	Active	1
74FCT162245CTPACT	Texas Instruments	Transceiver, Non-Inverting	2	8	24mA / 24mA	4.5V ~ 5.5V	-40°C ~ 85°C	48-TFSOP	Obsolete	1
74FCT16245TPVCG4	Texas Instruments	Transceiver, Non-Inverting	2	8	32mA / 64mA	4.5V ~ 5.5V	-40°C ~ 85°C	48-BSSOP	Obsolete	1
74FCT162H245ATPACT	Texas Instruments	Transceiver, Non-Inverting	2	8	24mA / 24mA	4.5V ~ 5.5V	-40°C ~ 85°C	48-TFSOP	Obsolete	1
74FCT162H245CTPACT	Texas Instruments	Transceiver, Non-Inverting	2	8	24mA / 24mA	4.5V ~ 5.5V	-40°C ~ 85°C	48-TFSOP	Obsolete	1
CY74FCT162245TPACT	Texas Instruments	Transceiver, Non-Inverting	2	8	24mA / 24mA	4.5V ~ 5.5V	-40°C ~ 85°C	48-TFSOP	Obsolete	1
CY74FCT162245TPVCT	Cypress Semiconductor	Transceiver, Non-Inverting	2	8	24mA / 24mA	4.5V ~ 5.5V	-40°C ~ 85°C	48-BSSOP	Active	Not specified
CY74FCT16245ATPACT	Texas Instruments	Transceiver, Non-Inverting	2	8	32mA / 64mA	4.5V ~ 5.5V	-40°C ~ 85°C	48-TFSOP	Obsolete	1
CY74FCT16245ATPVC	Texas Instruments	Transceiver, Non-Inverting	2	8	32mA / 64mA	4.5V ~ 5.5V	-40°C ~ 85°C	48-BSSOP	Obsolete	1

Engineering Selection Recommendations

Primary Substitutes (Recommended for Direct Replacement):

For applications requiring identical electrical performance and package compatibility, the following substitutes are recommended:

74FCT162245ATPVCT (Cypress Semiconductor) - Active product status with 48-BSSOP package matching the original footprint. Identical output current specifications (24mA/24mA). Lower moisture sensitivity level (1 vs. 3) provides improved reliability in storage and handling.
CY74FCT162245TPVCT (Cypress Semiconductor) - Active product status with 48-BSSOP package. Identical electrical specifications. Highest available inventory (7645 pcs) ensures supply continuity.

Secondary Substitutes (Package Variant - 48-TFSOP):

For designs where PCB layout can accommodate the 48-TFSOP package (0.240" width vs. 0.295" for 48-BSSOP), the following parts provide identical electrical performance:

74FCT162245ATPACT (Texas Instruments) - 48-TFSOP package with matching 24mA/24mA output current. Obsolete status but 3200 pcs in stock.
74FCT162H245ATPACT (Texas Instruments) - 48-TFSOP package variant with identical electrical specifications. 2548 pcs available.
74FCT162H245CTPACT (Texas Instruments) - 48-TFSOP package with 990 pcs in stock.
CY74FCT162245TPACT (Texas Instruments) - 48-TFSOP package with 2171 pcs available.

Alternative Substitutes (Higher Output Current - 32mA/64mA):

The following parts feature increased output drive capability (32mA high, 64mA low) compared to the original specification (24mA/24mA). These are suitable only for applications where higher output current is acceptable or beneficial:

74FCT16245TPVCG4 (Texas Instruments) - 48-BSSOP package with 743 pcs in stock.
CY74FCT16245ATPACT (Texas Instruments) - 48-TFSOP package with 1569 pcs available.
CY74FCT16245ATPVC (Texas Instruments) - 48-BSSOP package with 981 pcs in stock.

Compliance Considerations:

All recommended substitutes maintain ROHS3 compliance and REACH unaffected status, consistent with the original part. Parts with active product status (74FCT162245ATPVCT and CY74FCT162245TPVCT) provide extended lifecycle support and improved availability compared to obsolete alternatives.

Frequently Asked Questions (FAQ)

Q: Can I use 74FCT162245ATPACT as a direct replacement for 74FCT162245ATPVG?

A: Electrical substitution is valid. The 74FCT162245ATPACT provides identical logic function, output current (24mA/24mA), supply voltage, and operating temperature specifications. The primary difference is the package type: 48-TFSOP (0.240" width) versus 48-BSSOP (0.295" width). PCB layout modification is required to accommodate the different package footprint.

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

A: Both are 48-pin surface mount packages with compatible pinouts for this device family. The 48-BSSOP (Plastic Ball Grid Array Small Outline Package) has a width of 0.295" (7.50mm), while the 48-TFSOP (Thin Flat Small Outline Package) has a width of 0.240" (6.10mm). The 48-TFSOP is narrower and requires different PCB land patterns. Electrical performance is equivalent.

Q: Why do some substitute parts have higher output current (32mA/64mA) instead of 24mA/24mA?

A: Parts such as 74FCT16245TPVCG4 and CY74FCT16245ATPACT are variants within the 74FCT family with enhanced output drive capability. These parts are electrically compatible but provide greater current sourcing and sinking capacity. Use these substitutes only if your application can tolerate or benefit from increased output current. Verify circuit design compatibility before selection.

Q: What does "Active" product status mean compared to "Obsolete"?

A: Active product status indicates the manufacturer continues production and supports the part through its standard lifecycle. Obsolete status indicates the manufacturer has discontinued production. For the 74FCT162245ATPVG, substitutes with active status (74FCT162245ATPVCT and CY74FCT162245TPVCT) provide longer-term availability and manufacturer support, making them preferable for new designs or long-term production requirements.

Q: Is the moisture sensitivity level (MSL) difference between MSL 3 and MSL 1 significant?

A: Yes. The original 74FCT162245ATPVG has MSL 3 (168 hours), meaning the component must be used within 168 hours of opening the moisture barrier bag. Substitute parts with MSL 1 (unlimited) have no time restriction after opening, providing greater handling flexibility and reduced risk of moisture-induced failures during assembly and storage.

Q: Can I use CY74FCT162245TPVCT as a replacement if my design currently uses 74FCT162245ATPVG?

A: Yes. The CY74FCT162245TPVCT is a direct functional and package equivalent with identical 48-BSSOP footprint, matching electrical specifications (24mA/24mA output current), and active product status. This part offers the advantage of continued manufacturer support and improved moisture handling (MSL 1). Inventory availability is also high (7645 pcs).

Q: Are there any compliance or certification differences between the original part and substitutes?

A: All recommended substitutes maintain ROHS3 compliance and REACH unaffected status consistent with the original 74FCT162245ATPVG. No additional compliance verification is required for substitution within this product family.

Q: What should I consider when choosing between 48-BSSOP and 48-TFSOP package variants?

A: Select 48-BSSOP if your PCB layout already accommodates this footprint (0.295" width). Select 48-TFSOP only if your design can be modified to accept the narrower 0.240" width package. Electrical performance is identical between package types. The choice is purely mechanical and layout-dependent.

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