74HC573 PHILIPS

Document overview

PIN NO.	SYMBOL	NAME AND FUNCTION
2, 3, 4, 5, 6, 7, 8, 9 11 1 10 19, 18, 17, 16, 15, 14, 13, 12 20	D to D 0 7 LE OE GND Q to Q 0 7 V CC	data inputs latch enable input (active HIGH) 3-state output enable input (active LOW) ground (0 V) 3-state latch outputs positive supply voltage

OPERATING MODES	INPUTS			INTERNAL LATCHES	OUTPUTS
OPERATING MODES	OE	LE	D N	INTERNAL LATCHES	Q to Q 0 7
enable and read register (transparent mode)	L L	H H	L H	L H	L H
latch and read register	L L	L L	l h	L H	L H
latch register and disable outputs	H H	L L	l h	L H	Z Z

SYMBOL	PARAMETER	T (°C) amb							UNIT	TEST CONDITIONS
		74HCT								V CC (V)	WAVEFORMS
		+25			−40 to +85		−40 to +125
		min.	typ.	max.	min.	max.	min.	max.
t / t PHL PLH	propagation delay D to Q n n		20	35		44		53	ns	4.5	Fig.6
t / t PHL PLH	propagation delay LE to Q n		18	35		44		53	ns	4.5	Fig.7
t / t PZH PZL	3-state output enable time OE to Q n		17	30		38		45	ns	4.5	Fig.8
t / t PHZ PLZ	3-state output disable time OE to Q n		18	30		38		45	ns	4.5	Fig.8
t / t THL TLH	output transition time		5	12		15		18	ns	4.5	Fig.6
t W	enable pulse width HIGH	16	5		20		24		ns	4.5	Fig.7
t su	set-up time D to LE n	13	7		16		20		ns	4.5	Fig.9
t h	hold time D to LE n	9	4		11		14		ns	4.5	Fig.9