Truth Table

INPUTS			ACTION	Effect
CK0	CK1	CL		Pin 1, 9	Pin 2, 10
LH	1	0	Count Up	CLK0	CK EN
LH	0	0	Hold
HL	x	0	Hold
0	HL	0	Count Up	CK EN	CLK1
1	HL	0	Hold
x	LH	0	Hold
x	x	1	Reset	-	-

Electrical Characteristics

Operating Range

VDD	B	UB	H	74HC	Unit
Min	3	3	-	2	V
Max	18	18	-	6	V




Timming

		4001B
Output		VDD = 5V		VDD = 15V		Unit
		typ	max	typ	max
Rising Time		180	360	65	130	nS
Falling Time		100	200	40	80	nS
Propagation Delay	CKQ	280	560	80	160	nS
	CLQ	330	660	90	180	nS
Clock Frequency		1.5	2.5	4	8	MHz