74245 Octal 3-state Bus Transceivers with Schumitt Triggers

Pin Arrangement

DIR = L : B -> A
DIR = H : A -> B

Electrical Characteristics

Propagation Delay

Input	Output	N	LS	ALS	ALS 1000	F	S	AS	AS 1000	HC	HCT	Unit [max]
-	L->H	-	12	10	13	6.5	-	6	-	22	29	nS
	Z->H	-	40	20	25	8	-	8	-	56	38	nS
	Z->L	-	40	20	29	11	-	8	-	56	38	nS
	H->Z	-	25	10	18	7.5	-	4.5	-	52	38	nS
	L->Z	-	25	15	21	6	-	5	-	52	38	nS




Input Characteristics

		N	LS	ALS	ALS 1000	F	S	AS	AS 1000	Unit
G'	High	-	20	20	20	20	-	20	-	uA
	Low	-	0.2	0.1	0.1	1.6	-	0.1	-	mA
DIR	High	-	20	20	20	20	-	20	-	uA
	Low	-	0.2	0.1	0.1	1.2	-	0.2	-	mA
A,B	High	-	20	20	20	70	-	50	-	uA
	Low	-	0.2	0.1	0.1	1	-	0.75	-	mA




Output Characteristics

		N	LS	ALS	ALS 1000	F	S	AS	AS 1000	HC	HCT	Unit
A, B	High	-	15	15	15	1	-	15	-	6	6	mA
	Low	-	24	24	16	20	-	48	-	6	6	mA
A, B	High@High-Z	-	100	-	-	-	-	-	-	5	5	uA
	Low@High-Z	-	100	-	-	-	-	-	-	5	5	uA

Reference

입력은 PNP 트랜지스터.