Datasheet SL75232D, SL75232N Datasheet (SLS)

SL75232

System Logic
Semiconductor

SLS

Line Driver / Receiver

Description

The SL75232N, SL75232D are monolithic device
containing 3 independent drives and 5 receivers. These are
designed to interface between date terminal equipment and
date communication equipment as designed by EIA-232-D.

Features

• Meets standard EIA-232-D (Revision of RS-232-C)

• Drivers

- Current Limited Output 10 mA Typical

- Power-off Output Impedance 300 Ω Min

- Slew Rate Control by Load Capacitor

- Flexible Supply Voltage Range

- Input Compatible with Most TTL and DTL Circuits

• Receivers

- Input Resistance 3 kΩ to 7 kΩ

- Input Signal Range ± 30 V

- Built -in Input Hysteresis (Double Threshold)

• 20 DIP/SO20: ÌS-001AD (SL75232N) / ÌS-013AÑ

(SL75232D)

Pin Description

Name Pin No Function Name Pin No Function

V

CC+

1 Driver Section Supply + V

CC-

10 Driver Section Supply ­DA1 16 DY1 5
DA2 15 DY2 6 Driver Output
DA3 13 Driver Input DY3 8

VCC 20 Receiver Section Supply GND 11 Ground
RA1 2 RY1 19
RA2 3 RY2 18
RA3 4 Receiver Input RY3 17 Receiver Output
RA4 7 RY4 14
RA5 9 RY5 12

V

CC-

RA5

DY3

RA4

DY2

DY1

RA3

RA2

RA1

V

CC+

10

9

8

7

6

5

4

3

2

1

11

12

13

14

15

16

17

18

19

20

GND

RY5

DA3

RY4

DA2

DA1

RY3

RY2

RY1

V

CC

Block Diagram

IL75232N, IL75232D

SL75232

System Logic
Semiconductor SLS

Absolute Maximum Ratings

Symbol Parameter Rating Unit

V

CC+

Supply Voltage 15 V

V

CC-

Supply Voltage -15 V

VCC Supply Voltage 10 V

VI (Driver) Input Voltage

-15 ÷ +7

V

VI (Reciver) Input Voltage

± 30

V

VO (Driver) Output Voltage

-15 ÷ +15

V

PT Continuous Power Dissipation (Below 25 oC) 1.0 W

T

STG

Storage Temperature

-65 ÷ +175

o

C

Top Operating Temperature

0 ÷ +75

o

C

Schematic

V

CC-

300

70

6.2 Ê

8.2 Ê

70

7Ê

10Ê

3.6Ê

VCC+

DA

DY

DRIVER

RESEIVER

10 Ê

2 Ê

4 Ê

2 Ê

5 Ê9 Ê

V

CC

DA

DY

SL75232

System Logic
Semiconductor

SLS

Electrical Characteristics
Supply Current

V

CC

= 5V, TA = 25 OC

Symbol Parameter Test Conditions Min Max Unit

I

CC+

Supply Current V

CC+

= 9 V VIN = 1.9V 15 mA

from V

CC+

No Load VIN = 0.8V 4.5

V

CC+

= 12 V VIN = 1.9V 19
No Load VIN = 0.8V 5.5
V

CC+

= 15 V VIN = 1.9V 25
No Load VIN = 0.8V 9

I

CC-

Supply Current V

CC-

= -9 V VIN = 1.9V -15 mA

from V

CC-

No Load VIN = 0.8V -3.2

V

CC-

= -12 V VIN = 1.9V -19
No Load VIN = 0.8V -3.2
V

CC-

= -15 V VIN = 1.9V -25
No Load VIN = 0.8V -3.2

ICC Supply Current VCC = 5 V VIN = 5.0V 30 mA

from VCC

Driver Section

Symbol Parameter Test Conditions Min Max Unit

VIH High Level V

CC+

= 9 V 1.9 V

Input Voltage V

CC-

= -9 V

VIL Low Level 0.8 V

Input Voltage

VOH High Level VIL = 0.8V V

CC+

= 9 V 6 V

Output Voltage

RL = 3 kΩ

V

CC-

= -9 V

V

CC+

= 13.2 V 9

V

CC-

= -13.2

V

VOL Low Level VIH = 1.9V V

CC+

= 9 V -6 V

Output Voltage

RL = 3 kΩ

V

CC-

= -9 V

V

CC+

= 13.2 V -9

V

CC-

= -13.2

V

IIH High Level VI = 5V 10

µA

Input Current

IIL Low Level VI = 0 -1.6 mA

Input Current

I

OS(H)

Short Circuit VI = 0.8V -6 -12 mA
Output Current VO = 0
at High Level

I

OS(L)

Short Circuit VI = 1.9V 6 12 mA
Output Current VO = 0
at Low Level

RO Output Resistance, V

CC+

= 0, V

CC-

= 0 300

Ω

SL75232

System Logic
Semiconductor SLS

Power Off VO = -2V to 2V

Driver Switching Characteristic

V

CC+

= 9V, V

CC-

= -9V TA = 25 OC

Symbol Parameter Test Conditions Min Max Unit

t

PLH

Propagation Delay Time,

RL = 3 kΩ

500 ns

Low-To-High-Level Output

CL = 15 µF

t

PHL

Propagation Delay Time, 175 ns

High -To- Low -Level Output See Figure 1

t

TLH

Transition Time, 100 ns

Low-To-High-Level Output *

t

THL

Transition Time, 75 ns

High -To- Low -Level Output*

t

TLH

Transition Time,

RL = 3 kΩ to 7 kΩ

2.5

µs

Low-To-High-Level Output**

CL = 2500 ρF

(tip)

t

THL

Transition Time, 3.0

µs

High-To-Low -Level Output** See Figure 1 (tip)

*- Measured between 10 % and 90 % Points of Output Waveform

** - Measured between +3V and -3V Points on the Output Waveform (EIA-232-D Condition)

Receiver Section

Symbol Parameter Test Conditions Min Max Unit

VT+ Positive-Going 1.75 2.25 V

Threshold Voltage

VT- Negative-Going 0.75 1.25 V

Threshold Voltage

VOH High Level Output

VI= 0.75V, IOL=-0.5mA

2.6 5 V

Voltage Input Open, 2.6 5
IOL = -0.5 mA

VOL Low Level Output Voltage VI= 3V, IOL = 10 mA 0.45 V

IIH High-Level Input Current VI= 25V 3.6 8.3 mA

VI= 3V 0.43

IIL Low-Level Input Current VI= -25V -3.6 -8.3 mA

VI= -3V -0.43

IOS Short-Circuit -3 mA

Output Current (tip)

Receiver Switching Characteristic

VCC= 5V

Symbol Parameter Test Conditions Min Max Unit

t

PLH

Propagation Delay Time,

CL = 15 ρF

190 ns

Low-To-High-Level Output

RL = 3.9 kΩ

t

PHL

Propagation Delay Time,

CL = 15 ρF

60 ns

High -To- Low -Level Output

RL = 390 kΩ

t

TLH

Transition Time,

CL = 15 ρF

175 ns

Low-To-High-Level Output

RL = 3.9 kΩ

SL75232

System Logic
Semiconductor

SLS

t

THL

Transition Time,

CL = 15 ρF

20 ns

High -To- Low -Level Output

RL = 390 kΩ

Parameter Measurement Information

DRIVER

CLRL

Test Circuit

OUTPUT

PULSE

GENERATOR

(See Note A)

RESEIVER

VCC

CL

R1

Test Circuit

OUTPUT

(See Note C)

PULSE

GENERATOR

(See Note A)

Voltage Waveform

INTPUT

50% 50%

1.5V

1.5V

3V

V

OL

V

OH

OV

10ns

t

PHL

t

PLH

t

TLH

t

THL

OUTPUT

TW=25 µs, Voltage Waveform

INTPUT

1.5V

1.5V

50%

10%10%

90%90%

50%

3V

V

OL

VOH

OV

10ns

t

PHL

tPLH

t

TLH

t

THL

OUTPUT

Note A. The pulse generator has the following characteristics. f = 200 KHz, ZO = 50 Ω
B. C included probe and jig capacitance.
C. All diodes are 1N3064 or equivalent.

Fig1. Propagation and Transition Times

Typical Application

DB95

SIO Card

ILA75232N,D

9

8

6

7

5

4

3

2

1

+5V

TX

CTS

DTR

RI

-12V

/RI

/DTR

SOUT

/CTS

RX

RTS

/RTS

SIN

DSR

DCD

+12V

/DCD

/DSR

UART