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MC74VHCT125AM
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Product Detailed Parameters
- Description：IC BUF NON-INVERT 5.5V SOEIAJ-14
- Series：74VHCT
- Mfr：onsemi
- Package：Tube
- Logic Type：Buffer, Non-Inverting
- Number of Elements：4
- Number of Bits per Element：1
- Input Type：-
- Output Type：3-State
- Current - Output High, Low：8mA, 8mA
- Voltage - Supply：2V ~ 5.5V
- Operating Temperature：-55°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：14-SOIC (0.209", 5.30mm Width)
- Supplier Device Package：SOEIAJ-14
- Grade：-
- Qualification：-
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Overview
The MC74VHCT125AM is a quad buffer and line driver from the VHCT logic family, manufactured by onsemi. It features four independent non-inverting buffers with three-state outputs housed in a 14-TSSOP package. The device operates within a supply voltage range of 2.0 V to 5.5 V. It provides an output drive capability of 8 mA for both high and low states. The component supports a wide operating temperature range from -55°C to 125°C.
Feature Summary
- Provides four independent non-inverting buffer channels with three-state output control
- Compatible with standard CMOS and LSTTL input logic levels
- Designed for bus-oriented systems including memory address and clock drivers
Applications
- Three-state memory address drivers
- Clock signal distribution in bus-oriented systems
- General-purpose buffering for CMOS and TTL interfaces
Procurement Notes
Verify the specific suffix 'AM' against the official onsemi datasheet to confirm package type and tape/reel specifications. Confirm current product status as some variants may be discontinued or subject to limited availability. Ensure the selected packaging matches the intended surface-mount assembly requirements.
Selection Notes
Select this component when interfacing between different logic families requiring LSTTL-compatible inputs. The VHCT series offers performance similar to LS logic but with CMOS input characteristics. Verify that the 8 mA drive current meets the load requirements of the destination circuitry before finalizing the design.
Part Context
This part belongs to the MC74VHCT125 family of quad buffers. It shares functional similarities with the MC74HC125A and MC74HCT125A but utilizes VHCT technology for improved speed and compatibility. The device is designed to replace older LS-type buffers while offering lower power consumption and higher noise immunity typical of CMOS devices.
Replacement Considerations
Check for direct pin-compatible alternatives such as MC74VHCT125ADTRG or MC74VHCT125A. Verify that substitute parts maintain the same 2V-5.5V operating range and 8mA drive capability. Ensure any replacement maintains the non-inverting logic function and three-state output configuration.
