Noninverting 3-State Buffer

The MC74VHC1G125 / MC74VHC1GT125 is a single non−inverting 3−state buffer in tiny footprint packages. The MC74VHC1G125 has CMOS−level input thresholds while the MC74VHC1GT125 has TTL−level input thresholds.

The internal circuit is composed of three stages, including a buffered 3−state output which provides high noise immunity and stable output. The input structures provide protection when voltages up to 5.5 V are applied, regardless of the supply voltage. This allows the device to be used to interface 5 V circuits to 3 V circuits. The output structures also provide protection when VCC = 0 V and when the output voltage exceeds VCC. These input and output structures help prevent device destruction caused by supply voltage − input/output voltage mismatch, battery backup, hot insertion, etc.

Features

• Designed for 2.0 V to 5.5 V VCC Operation

• 3.5 ns tPD at 5 V (typ)

• Inputs/Outputs Over−Voltage Tolerant up to 5.5 V

• IOFF Supports Partial Power Down Protection

• Source/Sink 8 mA at 3.0 V

• Available in SC−88A, SC−74A, TSOP−5, SOT−553, SOT−953 and UDFN6 Packages

• Chip Complexity < 100 FETs

• NLV Prefix for Automotive and Other Applications Requiring

Unique Site and Control Change Requirements; AEC−Q100

Qualified and PPAP Capable

• These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS Compliant