Key facts
- Brand
- STMicroelectronics
- Model
- M54HC7245
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-05-07
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ST M54HC7245/7640/7643/7645 M74HC7245/7640/7643/7645 handbook
The SGS‑Thomson M54HC7245/7640/7643/7645 series are octal bus transceivers offering both non‑inverting (HC7645) and inverting (HC7640, HC7643) functions. They feature high‑speed operation (typical propagation delay 12 ns at 5 V), low power dissipation and the ability to drive up to 15 LSTTL loads.
The document provides absolute maximum ratings, recommended operating conditions, DC and AC electrical characteristics, as well as detailed mechanical dimensions for plastic, ceramic, S‑type and PLCC packages. Legal disclaimer and company information conclude the handbook.
STMicroelectronics M54HC7245 specifications
| Typical propagation delay (tpp) | 12 ns at Vcc = 5 V |
|---|---|
| Maximum power dissipation | 500 mW |
| Absolute maximum supply voltage | -0.5 V to +7 V |
| Output drive capability | 15 LSTTL loads |
Source: ST M54HC7245/7640/7643/7645 M74HC7245/7640/7643/7645 handbook
All STMicroelectronics M54HC7245 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the typical propagation delay of the HC7645?
The typical propagation delay is 12 ns when powered at 5 V.
From: ST M54HC7245/7640/7643/7645 M74HC7245/7640/7643/7645 handbook
What is the maximum power dissipation rating?
The device can dissipate up to 500 mW.
From: ST M54HC7245/7640/7643/7645 M74HC7245/7640/7643/7645 handbook
What is the typical propagation delay of the HC7645?
The typical propagation delay is 12 ns when powered at 5 V.
From: SGS-Thomson M54HC7245/7640/7643/7645 & M74HC7245/7640/7643/7645 Datasheet
How many LSTTL loads can the device drive?
It can drive up to 15 LSTTL loads.
From: SGS-Thomson M54HC7245/7640/7643/7645 & M74HC7245/7640/7643/7645 Datasheet