MOTOROLA MC1489ML1, MC1489DR2, MC1489M, MC1489AMEL, MC1489AML1 Datasheet

Order this document by MC1489/D

Quad Line Receivers

The MC1489 monolithic quad line receivers are designed to interface data terminal equipment with data communications equipment in conformance with the specifications of EIA Standard No. EIA±232D.

•Input Resistance ± 3.0 k to 7.0 kΩ

•Input Signal Range ± ± 30 V

•Input Threshold Hysteresis Built In

•Response Control

a)Logic Threshold Shifting

b)Input Noise Filtering

ORDERING INFORMATION

		Operating
	Device	Temperature Range	Package
	MC1489P, AP	TA = 0 to + 75°C	Plastic
	MC1489D, AD		SO±14

Simplified Application

Line Driver

Interconnecting

Line Receiver

MC1488

Cable

MC1489

	MDTL Logic Input	Interconnecting	MDTL Logic Output
		Cable

MC1489, A

QUAD MDTL

LINE RECEIVERS

EIA±232D

SEMICONDUCTOR

TECHNICAL DATA

P SUFFIX

PLASTIC PACKAGE

CASE 646

D SUFFIX

PLASTIC PACKAGE

CASE 751A (SO±14)

PIN CONNECTIONS

	Input A	1	14	VCC
	Response	2	13	Input D
	Control A
	Output A	3	12	Response
				Control D
	Input B	4	11	Output D
	Response	5	10	Input C
	Control B
	Output B	6	9	Response
				Control C
	Ground	7	8	Output C

Representative Schematic Diagram

(1/4 of Circuit Shown)

				14
				VCC
		9.0 k	5.0 k	1.7 k
Response Control 2		RF
				3 Output
Input 1	3.8 k
MC1489	MC1489A	10 k
RF 6.7 kΩ	1.6 kΩ			7 GND

Motorola, Inc. 1996

Rev 5

MC1489, A

MAXIMUM RATINGS (TA = + 25°C, unless otherwise noted)

Rating	Symbol	Value	Unit
Power Supply Voltage	VCC	10	Vdc
Input Voltage Range	VIR	± 30	Vdc
Output Load Current	IL	20	mA
Power Dissipation (Package Limitation, SO±14
and Plastic Dual In±Line Package)	PD	1000	mW
Derate above TA = + 25°C	1/θJA	6.7	mW/°C
Operating Ambient Temperature Range	TA	0 to + 75	°C
Storage Temperature Range	Tstg	± 65 to + 175	°C

ELECTRICAL CHARACTERISTICS (Response control pin is open.) (VCC = + 5.0 Vdc ± 10%, TA = 0 to + 75°C, unless otherwise noted)

Characteristics				Symbol	Min	Typ	Max	Unit
Positive Input Current			(VIH = + 25 Vdc)	IIH	3.6	±	8.3	mA
			(VIH = + 3.0 Vdc)		0.43	±	±
Negative Input Current			(VIH = ± 25 Vdc)	IIL	± 3.6	±	± 8.3	mA
			(VIH = ± 3.0 Vdc)		± 0.43	±	±
Input Turn±On Threshold Voltage				VIH				Vdc
(TA = + 25°C, VOL p 0.45 V)			MC1489		1.0	±	1.5
			MC1489A		1.75	1.95	2.25
Input Turn±Off Threshold Voltage				VIL				Vdc
(TA = + 25°C, VOH q 2.5 V, IL = ± 0.5 mA)			MC1489		0.75	±	1.25
			MC1489A		0.75	0.8	1.25
Output Voltage High	(VIH = 0.75 V, IL = ± 0.5 mA)			VOH	2.5	4.0	5.0	Vdc
	(Input Open Circuit, IL = ± 0.5 mA)				2.5	4.0	5.0
Output Voltage Low	(VIL = 3.0 V, IL = 10 mA)			VOL	±	0.2	0.45	Vdc
Output Short±Circuit Current				IOS	±	± 3.0	± 4.0	mA
Power Supply Current (All Gates ªon,º I = 0 mA, V		IH	= + 5.0 Vdc)	I	±	16	26	mA
	out			CC
Power Consumption		(VIH = + 5.0 Vdc)		PC	±	80	130	mW
SWITCHING CHARACTERISTICS (VCC = 5.0 Vdc ± 1%, TA = + 25°C, See Figure 1.)
Propagation Delay Time		(RL = 3.9 kΩ)		tPLH	±	25	85	ns
Rise Time		(RL = 3.9 kΩ)		tTLH	±	120	175	ns
Propagation Delay Time		(RL = 390 kΩ)		tPHL	±	25	50	ns
Fall Time		(RL = 390 kΩ)		tTHL	±	10	20	ns

TEST CIRCUITS

Figure 1. Switching Response

		5.0 Vdc
		RL
			All diodes
			1N3064
			or equivalent
Ein			Eo
		3.0 V	CL
	50%	50%
Ein			tTLH and tTHL	Vin
		tPLH	measured
EO			10% ± 90%
tTHL		tTLH
	1.5 V	1.5 V

CL = 15 pF = total parasitic capacitance which includes probe and wiring capacitances

Figure 2. Response Control Node

VR

	R
C
1/4	Response Node
MC1489A	VO

C, capacitor is for noise filtering.

R, resistor is for threshold shifting.

2	MOTOROLA ANALOG IC DEVICE DATA