74x00

74x00 Logic Gate

Quad 2-Input NAND gate
Attributes
Pins	14
Inputs	4x 2 bits
Outputs	4x 1 bits
Mounting Type	Through Hole, Surface Mount
Packages	PDIP-14, SSOP-14, SOIC-14, CFP-14, LCCC-20, SO-14, SO-8

The 74x00 (and its military grade equivalent 54x00) is a Quad 2-Input NAND gate and one of the most important components in digital electronics.

Variants

LS (High-speed TTL)

Pin Functions

Pin					I/O	Description
Name	CDIP, CFP, SOIC, PDIP, SO, SSOP	SO	CFP	LCCC
1A	1	1	1	2	I	Gate 1 input
1B	2	2	2	3	I	Gate 1 input
1Y	3	3	3	4	O	Gate 1 output
2A	4	6	6	6	I	Gate 2 input
2B	5	7	7	8	I	Gate 2 input
2Y	6	5	5	9	O	Gate 2 output
3A	10	—N/a	9	13	I	Gate 3 input
3B	9	—N/a	10	14	I	Gate 3 input
3Y	8	—N/a	8	12	O	Gate 3 output
4A	13	—N/a	12	18	I	Gate 4 input
4B	12	—N/a	13	19	I	Gate 4 input
4Y	11	—N/a	14	16	O	Gate 4 output
GND	7	4	11	10	—N/a	Ground
NC	—N/a	—N/a	—N/a	1, 5, 7, 11, 15, 17	—N/a	No connect
VCC	14	8	4	20	—N/a	Power supply

Specifications

Absolute Maximum Ratings

	Min	Max	Unit
Supply voltage, VCC	7		V
Input voltage	7		V

Recommended Operating Conditions

			Min	Nom	Max	Unit
VCC	Supply voltage		4.5	5	5.5	V
VIH	High-level input voltage		2			V
VIL	Low-level input voltage	74LS00	0.8			V
		54LS00	0.7
IOH	High-level output current		-0.7			mA
IOL	Low-level output current	74LS00	8			mA
		54LS00	4
TA	Operating free-air temperature	74LS00	-55		125	°C
		54LS00	0		70