M74HC259B1R集成电路（IC）的锁存器规格书PDF中文资料

M74HC259B1R属于集成电路（IC）的锁存器。由意法半导体集团制造生产的M74HC259B1R锁存器锁存器是类似于触发器的基本数字存储设备，但是不同之处在于，在锁存使能（或类似命名）信号处于有效逻辑状态的任何时间，保持的逻辑状态都可以改变。“透明”锁存器还允许设备输出在锁存使能信号有效时反映输入的当前状态，而相反的是，状态仅在保持状态已固定时改变。

Description

The M54HCxxx and M54HCTxxx series are composed of over 90 types of high speed CMOS functions specifically designed to meet the radiation requirements of the aerospace industry. It includes a large set of gates, Flip-Flops, Multiplexers, Counters, Bus interface and several other functions. The radiation hardness, the single event latch-up (SEL) immunity and the housing in hermetic packages of all types of both series make them ideally suited for use in the most difficult environmental conditions.

Features

■ 2 to 6 V operating voltage

■ Low power DC dissipation: 1 µA max at 25°C

■ High speed tPD = 8 ns typ at 25°C

■ Symmetrical outputs characteristics

■ High noise immunity: 28 of min VCC

■ Hermetic packages

■ Rad-hard 50 krad (Si)

■ SEL immune up to 110 MeV/mg/cm²

■ ESCC qualified

■ Same die and electrical specification for engineering and flight models

■ The complete specification of each type is available from the ESCC web site: https://escies.org using its ESCC part number.

ST guarantees full compliance of qualified parts with these ESCC specifications