74574

Octal D-type flip-flop; positive-edge trigger; 3-state; non-inverting


OE	1 •	20	Vcc
D₀	2	19	Q₀
D₁	3	18	Q₁
D₂	4	17	Q₂
D₃	5	16	Q₃
D₄	6	15	Q₄
D₅	7	14	Q₅
D₆	8	13	Q₆
D₇	9	12	Q₇
GND	10	11	CP

Pin	Symbol	Description
1	OE	output enable (active low)
2	D₀	data input
3	D₁	data input
4	D₂	data input
5	D₃	data input
6	D₄	data input
7	D₅	data input
8	D₆	data input
9	D₇	data input
10	GND	ground
11	CP	clock input (low-to-high, edge-triggered)
12	Q₇	flip-flop output
13	Q₆	flip-flop output
14	Q₅	flip-flop output
15	Q₄	flip-flop output
16	Q₃	flip-flop output
17	Q₂	flip-flop output
18	Q₁	flip-flop output
19	Q₀	flip-flop output
20	Vcc	supply voltage

Specifications

(typical values under recommended operating conditions, unless specified)

Parameter	Value	Unit
Propagation delay, CP to Q_n	14 (74HC) 15 (74HCT)	ns
Maximum clock frequency	123 (74HC) 76 (74HCT)	MHz

Note: Data is maintained by an independent source and accuracy is not guaranteed. Check with the manufacturer's datasheet for up-to-date information.