74x00: Difference between revisions

74x00 Logic Gate
Quad 2-Input NAND gate
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
	v; t; e;

← Older edit Newer edit →

VisualWikitext

Revision as of 00:47, 19 January 2026

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.

Pin Functions

Pin					I/O	Description
Name	CDIP, CFP, SOIC, PDIP, SO, SSOP	SO	CFP	LCCC	I/O	Description
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
V_CC	14	8	4	20	N/a	Power supply

Variant Specifications

AC (Advanced CMOS)

Absolute Maximum Ratings
			Min	Max	Unit
V_CC	Supply voltage		-0.5	7	V
I_IK	Input current clamp	V_I < 0 V or V_I > V_CC	±20		mA
I_OK	Output current clamp	V_O < 0 V or V_O > V_CC	±20		mA
I_O	Continuous output current	V_O < 0 V or V_O > V_CC	±50		mA
	Continuous current through V_CC or GND		±200		mA

Recommended Operating Conditions
			54AC00		74AC00		Unit
			Min	Max	Min	Max	Unit
V_CC	Supply voltage		2	6	2	6	V
V_IH	High-level input voltage	V_CC = 3 V	2.1		2.1		V
		V_CC = 4.5 V	3.15		1.15
		V_CC = 5.5 V	3.85		1.85
V_IL	Low-level input voltage	V_CC = 3 V		0.9		0.9	V
		V_CC = 4.5 V		1.35		1.35
		V_CC = 5.5 V		1.65		1.65
V_I	Input voltage		0	V_CC	0	V_CC	V
V_O	Output voltage		0	V_CC	0	V_CC	V
I_OH	High-level output current	V_CC = 3 V		-12		-12	mA
		V_CC = 4.5 V		-24		-24
		V_CC = 5.5 V		-24		-24
I_OL	Low-level output current	V_CC = 3 V		12		12	mA
		V_CC = 4.5 V		24		24
		V_CC = 5.5 V		24		24
Δt/Δv	Input transition rise or fall rate		8		8		ns/V
T_A	Operating free-air temperature		-55	125	-40	85	°C

AHC (Advanced high-speed CMOS)

AHCT (Advanced high-speed CMOS schottky)

ALS (Advanced low-power schottky TTL)

AS (Advanced schottky TTL)

HC (High-speed CMOS)

Absolute Maximum Ratings
			Min	Max	Unit
V_CC	Supply voltage		-0.5	7	V
I_IK	Input current clamp	V_I < -0.5 V or V_I > V_CC + 0.5 V	±20		mA
I_OK	Output current clamp	V_O < -0.5 V or V_O > V_CC + 0.5 V	±20		mA
I_O	Continuous output current	V_O < -0.5 V or V_O > V_CC + 0.5 V	±25		mA
	Continuous current through V_CC or GND		±50		mA

Recommended Operating Conditions
			Min	Nom	Max	Unit
V_CC	Supply voltage		2	5	6	V
V_IH	High-level input voltage	V_CC = 2 V	1.5			V
		V_CC = 4.5 V	3.15
		V_CC = 6 V	4.2
V_IL	Low-level input voltage	V_CC = 2 V	0.5			V
		V_CC = 4.5 V	1.35
		V_CC = 6 V	1.8
V_I	Input voltage		0		V_CC	V
V_O	Output voltage		0		V_CC	V
Δt/Δv	Input transition rise or fall rate		500			ns/V
			111
			67
T_A	Operating free-air temperature	74LS00	-55		125	°C
T_A	Operating free-air temperature	54LS00	0		70	°C

HCT (High-speed CMOS, TTL compatible)

Absolute Maximum Ratings
			Min	Max	Unit
V_CC	Supply voltage		-0.5	7	V
I_IK	Input current clamp	V_I < -0.5 V or V_I > V_CC + 0.5 V	±20		mA
I_OK	Output current clamp	V_O < -0.5 V or V_O > V_CC + 0.5 V	±20		mA
I_O	Continuous output current	V_O < -0.5 V or V_O > V_CC + 0.5 V	±25		mA
	Continuous current through V_CC or GND		±50		mA

Recommended Operating Conditions
			Min	Max	Unit
V_CC	Supply voltage		4.5	5.5	V
V_IH	High-level input voltage		2		V
V_IL	Low-level input voltage		0.8		V
V_I	Input voltage		0	V_CC	V
V_O	Output voltage		0	V_CC	V
T_A	Operating free-air temperature	74LS00	-55	125	°C
T_A	Operating free-air temperature	54LS00	0	70	°C

LS (High-speed TTL)

Absolute Maximum Ratings
	Min	Max	Unit
Supply voltage, V_CC	7		V
Input voltage	7		V

Recommended Operating Conditions
			Min	Nom	Max	Unit
V_CC	Supply voltage		4.5	5	5.5	V
V_IH	High-level input voltage		2			V
V_IL	Low-level input voltage	74LS00	0.8			V
V_IL	Low-level input voltage	54LS00	0.7			V
I_OH	High-level output current		-0.7			mA
I_OL	Low-level output current	74LS00	8			mA
I_OL	Low-level output current	54LS00	4			mA
T_A	Operating free-air temperature	74LS00	-55		125	°C
T_A	Operating free-air temperature	54LS00	0		70	°C

@@ Line 1: / Line 1: @@
 {{Infobox
-|name=74x00
+|name={{{name|{{PAGENAME}}}}}
-|title=74x00 Logic Gate
+|title={{{name|{{PAGENAME}}}}} Logic Gate
 |above=Quad 2-Input [[NAND gate]]
 |image=[[File:PDIP14.jpg|200px]]
 |caption
-| header1 = Attributes
 | label2 = Pins
 | data2 = 14
@@ Line 16: / Line 16: @@
 | label6 = Packages
 | data6 = [[PDIP-14]], [[SSOP-14]], [[SOIC-14]], [[CFP-14]], [[LCCC-20]], [[SO-14]], [[SO-8]]
-| header2 = Test
-| image2 =
 }}
+{{Sidebar
+| title = Pinout Diagram
+| image = [[File:7400.svg|200px]]
+}}
 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.

74x00: Difference between revisions

Revision as of 00:47, 19 January 2026

Pin Functions

Variant Specifications

AC (Advanced CMOS)

AHC (Advanced high-speed CMOS)

AHCT (Advanced high-speed CMOS schottky)

ALS (Advanced low-power schottky TTL)

AS (Advanced schottky TTL)

HC (High-speed CMOS)

HCT (High-speed CMOS, TTL compatible)

LS (High-speed TTL)

LV (Low voltage TTL)

F (Very high-speed TTL)

C (CMOS, 4000-series compliant)

S (Schottky TTL)

See also