Motorola SN54LS38J, SN74LS38N, SN74LS38D Datasheet

SN54/74LS38

QUAD 2-INPUT NAND BUFFER

VCC
14	13	12	11	10	9	8

1 2 3 4 5 6 7 GND

OPEN COLLECTOR OUTPUTS

GUARANTEED OPERATING RANGES

QUAD 2-INPUT NAND BUFFER

LOW POWER SCHOTTKY

			J SUFFIX
			CERAMIC
			CASE 632-08
14	1
			N SUFFIX
			PLASTIC
14			CASE 646-06
	1
			D SUFFIX
	14		SOIC
			CASE 751A-02
		1

ORDERING INFORMATION

SN54LSXXJ Ceramic

SN74LSXXN Plastic

SN74LSXXD SOIC

Symbol	Parameter		Min	Typ	Max	Unit
VCC	Supply Voltage	54	4.5	5.0	5.5	V
		74	4.75	5.0	5.25
TA	Operating Ambient Temperature Range	54	± 55	25	125	°C
		74	0	25	70
VOH	Output Voltage Ð High	54, 74			5.5	V
IOL	Output Current Ð Low	54			12	mA
		74			24

FAST AND LS TTL DATA

5-95

SN54/74LS38

DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)

				Limits
Symbol	Parameter		Min	Typ	Max	Unit	Test Conditions
VIH	Input HIGH Voltage		2.0			V	Guaranteed Input HIGH Voltage for
							All Inputs
VIL	Input LOW Voltage	54			0.7	V	Guaranteed Input LOW Voltage for
		74			0.8		All Inputs
VIK	Input Clamp Diode Voltage			± 0.65	± 1.5	V	VCC = MIN, IIN = ±18 mA
IOH	Output HIGH Current	54, 74			250	μA	VCC = MIN, VOH = MAX
		54, 74		0.25	0.4	V	I = 12 mA	VCC = VCC MIN,
VOL	Output LOW Voltage						OL	VIN = VIL or VIH
		74		0.35	0.5	V	IOL = 24 mA
								per Truth Table
IIH	Input HIGH Current				20	μA	VCC = MAX, VIN = 2.4 V
					0.1	mA	VCC = MAX, VIN = 7.0 V
IIL	Input LOW Current				± 0.4	mA	VCC = MAX, VIN = 0.4 V
	Power Supply Current
ICC	Total, Output HIGH				2.0	mA	VCC = MAX
	Total, Output LOW				12

AC CHARACTERISTICS (TA = 25°C)

			Limits
Symbol	Parameter	Min	Typ	Max	Unit	Test Conditions
tPLH	Turn-Off Delay, Input to Output		20	32	ns	VCC = 5.0 V, RL = 667 Ω
tPHL	Turn-On Delay, Input to Output		18	28	ns	CL = 45 pF

FAST AND LS TTL DATA

5-96