54F379 is a 4-bit register with buffered common Enable input, true and complement outputs, guaranteed 4000V minimum ESD protection, produced by National Semiconductor Corporation.
The 54F/74F379 is a 4‑bit quad parallel register featuring edge‑triggered D‑type flip‑flops, a common enable input, and true/complement outputs. It is offered in multiple packages such as 16‑lead molded dual‑inline (N16E) and 16‑lead ceramic dual‑inline (J16A).
The document provides absolute maximum ratings, recommended operating conditions, electrical characteristics, and physical dimensions, along with ordering information and a life‑support policy disclaimer.
| Maximum ESD Protection | 4000 V |
|---|---|
| Supply Voltage (Commercial) | 4.5 V to 5.5 V |
| Maximum Clock Frequency | 100 MHz |
| Input HIGH Voltage (VIH) | 2.0 V |
| Package Types | 16‑Lead (0.300×Wide) Molded Dual‑Inline (N16E), 16‑Lead Ceramic Dual‑Inline (J16A), etc. |
The device provides a minimum ESD protection rating of 4000 V.
Commercial devices are specified to operate with a supply voltage between 4.5 V and 5.5 V.
The maximum clock frequency is 100 MHz.