CD54HC245F3A中文资料德州仪器数据手册PDF规格书

1 Features

• Buffered inputs

• Three-state outputs

• Bus line driving capability

• Typical propagation delay (A to B, B to A) 9ns at

VCC = 5V, CL = 15pF, TA = 25°C

• Fanout (over temperature range)

– Bus driver outputs :15 LSTTL loads

• Wide operating temperature range : -55°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 (Max), VIH = 2 V (Min)

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

2 Description

The CDx4HC(T)245 is an octal bus transceiver with

3-state outputs. All eight channels are controlled by

the direction (DIR) pin and output enable (OE) pin.