HD74HC670数据手册HITACHI中文资料规格书

描述 Description

The HD74HC670, 16-bit register file is organized as 4 words of 4 bits each and separate on-chip decoding is provided for addressing the four word locations to either write-in or retrieve data.

特性 Features

•  High Speed Operation: tpd(Read Select to Q) = 21 ns typ (CL= 50 pF)
•  High Output Current: Fanout of 15 LSTTL Loads
•  Wide Operating Voltage: VCC= 2 to 6 V
•  Low Input Current: 1 µA max
•  Low Quiescent Supply Current: ICC(static) = 4 µA max (Ta = 25°C)