MOTOROLA MC1488M, MC1488MEL, MC1488ML1, MC1488DR2 Datasheet



SEMICONDUCTOR

TECHNICAL DATA

QUAD MDTL LINE DRIVER

EIA–232D

PIN CONNECTIONS

Order this document by MC1488/D

P SUFFIX

PLASTIC PACKAGE

CASE 646

D SUFFIX

PLASTIC PACKAGE

CASE 751A

(SO–14)

2

Output C

Input C2

Input C1

Output D

Input D2

V

CC

14

Input D1

V

EE

Input A

Output A

Input B1

Input B2

Gnd

Output B

8

9

10

11

12

13

7

5

3

4

1

6

1

MOTOROLA ANALOG IC DEVICE DATA

  

The MC1488 is a monolithic quad line driver designed to interface data
terminal equipment with data communications equipment in conformance
with the specifications of EIA Standard No. EIA–232D.

Features:

• Current Limited Output

±10 mA typical

• Power–Off Source Impedance

300 Ω mininum

• Simple Slew Rate Control with External Capacitor

• Flexible Operating Supply Range

• Compatible with All Motorola MDTL and MTTL Logic Families

ORDERING INFORMATION

Device

Operating

Temperature Range

Package

MC1488P

°

Plastic

MC1488D

T

A

=

0 to

+

75°C

SO–14

Circuit Schematic

(1/4 of Circuit Shown)

GND 7

3.6 k

Pins 4, 9, 12 or 2

Input

Pins 5, 10, 13

Input

8.2 k

VCC 14

7.0 k 70

6.2 k

70

Output

300

10 k

VEE 1

Pins 6, 8, 11 or 3

MDTL Logic Output

Interconnecting

Cable

Interconnecting

Cable

MDTL Logic Input

Line Receiver

MC1489

Simplified Application

Line Driver

MC1488

 Motorola, Inc. 1996 Rev 3

MC1488

2

MOTOROLA ANALOG IC DEVICE DATA

MAXIMUM RATINGS (T

A

= +25°C, unless otherwise noted.)

Rating Symbol Value Unit

Power Supply Voltage V

CC

V

EE

+ 15
– 15

Vdc

Input Voltage Range V

IR

– 15 p VIR

p

7.0

Vdc

Output Signal Voltage V

O

±15 Vdc

Power Derating (Package Limitation, SO–14

and Plastic Dual–In–Line Package)
Derate above TA = + 25°C

P

D

1/R

θJA

1000

6.7

mW

mW/°C

Operating Ambient Temperature Range T

A

0 to + 75 °C

Storage Temperature Range T

stg

– 65 to + 175 °C

ELECTRICAL CHARACTERISTICS (V

CC

= + 9.0 ± 1% Vdc, VEE = –9.0 ± 1% Vdc, TA = 0 to 75°C, unless otherwise noted.)

Characteristic

Symbol Min Typ Max Unit

Input Current – Low Logic State (VIL = 0) I

IL

– 1.0 1.6 mA

Input Current – High Logic State (VIH = 5.0 V) I

IH

– – 10 µA

Output Voltage – High Logic State

(VIL = 0.8 Vdc, RL = 3.0 kΩ, VCC = + 9.0 Vdc, VEE = – 9.0 Vdc)
(VIL = 0.8 Vdc, RL = 3.0 kΩ, VCC = + 13.2 Vdc, VEE = – 13.2 Vdc)

V

OH

+ 6.0
+ 9.0

+7.0

+10.5

–
–

Vdc

Output Voltage – Low Logic State

(VIH = 1.9 Vdc, RL = 3.0 kΩ, VCC = + 9.0 Vdc, VEE = – 9.0 Vdc)
(VIH = 1.9 Vdc, RL = 3.0 kΩ, VCC = + 13.2 Vdc, VEE = – 13.2 Vdc)

V

OL

– 6.0
– 9.0

– 7.0

– 10.5

–
–

Vdc

Positive Output Short–Circuit Current, Note 1 I

OS+

+ 6.0 + 10 + 12 mA

Negative Output Short–Circuit Current, Note 1 I

OS–

– 6.0 – 10 – 12 mA

Output Resistance (VCC = VEE = 0, VO = ± 2.0 V) r

o

300 – – Ohms

Positive Supply Current (RI = ∞)

(VIH = 1.9 Vdc, VCC = + 9.0 Vdc)
(VIL = 0.8 Vdc, VCC = + 9.0 Vdc)
(VIH = 1.9 Vdc, VCC = + 12 Vdc)
(VIL = 0.8 Vdc, VCC = + 12 Vdc)
(VIH = 1.9 Vdc, VCC = + 15 Vdc)
(VIL = 0.8 Vdc, VCC = + 15 Vdc)

I

CC

–
–
–
–
–
–

+ 15
+ 4.5
+ 19
+ 5.5

–
–

+ 20

+ 6.0

+ 25

+ 7.0

+ 34
+ 12

mA

Negative Supply Current (RL = ∞)

(VIH = 1.9 Vdc, VEE = – 9.0 Vdc)
(VIL = 0.8 Vdc, VEE = – 9.0 Vdc)
(VIH = 1.9 Vdc, VEE = – 12 Vdc)
(VIL = 0.8 Vdc, VEE = – 12 Vdc)
(VIH = 1.9 Vdc, VEE = – 15 Vdc)
(VIL = 0.8 Vdc, VEE = – 15 Vdc)

I

EE

–
–
–
–
–
–

– 13

–

– 18

–
–
–

– 17

– 500

– 23

– 500

– 34

– 2.5

mA

µA

mA

µA
mA
mA

Power Consumption

(VCC = 9.0 Vdc, VEE = – 9.0 Vdc)
(VCC = 12 Vdc, VEE = – 12 Vdc)

P

C

–
–

–
–

333
576

mW

SWITCHING CHARACTERISTICS (V

CC

= +9.0 ± 1% Vdc, VEE = –9.0 ± 1% Vdc, TA = +25°C.)

Propagation Delay Time (zI = 3.0 k and 15 pF) t

PLH

– 275 350 ns

Fall Time (zI = 3.0 k and 15 pF) t

THL

– 45 75 ns

Propagation Delay Time (zI = 3.0 k and 15 pF) t

PHL

– 110 175 ns

Rise Time (zI = 3.0 k and 15 pF) t

TLH

– 55 100 ns

NOTE: 1. Maximum Package Power Dissipation may be exceeded if all outputs are shorted simultaneously.

MC1488

3

MOTOROLA ANALOG IC DEVICE DATA

CHARACTERISTIC DEFINITIONS

Figure 1. Input Current Figure 2. Output Voltage

Figure 3. Output Short–Circuit Current Figure 4. Output Resistance (Power Off)

Figure 5. Power Supply Currents Figure 6. Switching Response

10

13

9

4

12

5

1

2

14

9.0 V

5.0 V

I

IH

I

IL

–9.0 V

7

1.9 V

7

V

OL

9.0 V

V

OH

0.8 V
V

OL

3.0 k

V

OH

14 1

–9.0 V

2

4

9

12

3

6

8

11

9

2

14

4
5

I

OS+

1

11

6

8

13

9

4

12

3

1

±

6.6 mA Max

3

7

8

6

11

0.8 V

2

1.9 V

14

V

EE

V

CC

7

10

12

I

OS

±

V

O

±

2.0 Vdc

I

OS–

t

THL

and t

TLH

Measured 10% to 90%

V

O

15 pF3.0 k

50%

t

PHL

t

PLH

t

TLH

t

THL

e

in

0 V

3.0 V

1.5 V

e

in

V

O

I

CC

V

IL

2

V

CC

1

14

7

12

4

9

I

EE

V

EE

1.9 V

V

IH

0.8 V