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1 Features

? Qualified for automotive applications

? Buffered inputs

? High current bus driver outputs

? Typical propagation delay tPLH, tPHL = 8 ns at VCC

= 5 V, CL = 15 pF, TA = 25°C

? Fanout (over temperature range)

– Standard outputs – 10 LSTTL loads

– Bus driver outputs – 15 LSTTL loads

? Wide operating temperature range: –40°C to

125°C

? Balanced propagation delay and transition times

? Significant power reduction compared to LSTTL

logic ICs

? HC types

– 2 V to 6 V operation

– High noise immunity: NIL = 30%, NIH = 30% of

VCC at VCC = 5 V

? HCT types

– 4.5 V to 5.5 V operation

– Direct LSTTL input logic compatibility, VIL= 0.8

V (maximum), VIH = 2 V (minimum)

– CMOS input compatibility, Il ≤ 1 μA at VOL, VOH

2 Description

The CD74HC365-Q1, CD74HC366-Q1, and

CD74HCT365-Q1 silicon gate CMOS three state

buffers are general purpose high-speed non-inverting

and inverting buffers. They have high drive current

outputs which enable high speed operation even

when driving large bus capacitances. These circuits

possess the low power dissipation of CMOS circuitry,

yet have speeds comparable to low power Schottky

TTL circuits. Both circuits are capable of driving up to

15 low power Schottky inputs.