L5170A [STMICROELECTRONICS]

OCTAL LINE DRIVER; 八路线路驱动器


型号：	L5170A
厂家：	ST
描述：	OCTAL LINE DRIVER 八路线路驱动器驱动器
文件：	总9页 (文件大小：153K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

L5170

OCTAL LINE DRIVER

ADVANCE DATA

OCTAL LINE DRIVER FOR:

– EIA STD: RS232D; RS423A

– CCIT: V.10; V.28

NO EXTERNAL COMPONENTS

VERY LONG TRANSMISSION LINE (5000ft)

50V EOS OUTPUT PROTECTION

DIP28

ORDERING NUMBERS:

L5170A L5170D

PLCC28

DESCRIPTION

L5170 is an octal line driver unit in DIP28 and

PLCC28 packages intended for use in the EIA std

RS232D, RS423A and CCITT V.10 and V.28 ap-

plications.

With no external components L5170 is able to

drive a line up to 5000ft assuming the line capaci-

tance is 35pF per ft and the capacitanceof the fil-

ter connectors/protection components add up to

the total capacitance load. The drivers typically

run in short circuit current mode whenever the ca-

ble attached is over 500ft.

BLOCK DIAGRAM

March 1993

1/9

This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.

L5170

PIN CONNECTIONS (Top views)

DIP28

PLCC28

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

+15

Unit

V_CC

V_EE

V_i

Supply Voltage

– 15

Input Voltage (Enable Data)

Output Voltage

– 1.5 to 7

±6

V_O

I_O

Output Current (**)

±150

1.5

1KΩ

Minimum Slew Resistor (***)

Power Dissipation at T_amb= 70°C (PLCC28) (*)

(DIP28) (*)

1.2

1.3

P_tot

T_op

T_stg

Operating Free Air Temperature Range

Storage Temperature Range

0 to +70

°C

-65 to 150

Notes:

(*) Mounted on board with minimized dissipating copper area.

(**) Minimum Current per driver. Do not exceed maximum power dissipation if more than one input is on.

(***) Minimum value of the resistor used to set the slew rate.

THERMAL DATA

Symbol

Description

PLCC28

DIP28

Unit

R_{th j-amb}

Thermal Resistance Junction-ambient (*)

Max.

°C/W

2/9

L5170

AC ELECTRICAL CHARACTERISTICS (V_CC= 9 to 11V; V_EE= – 9 to – 11V T_amb=0 to 70°C, unless

otherwisespecified

Symbol

Parameter

Test Condition

V_in= 0.8V

Min.

Typ.

Max.

Unit

V_OH

High Level Output Voltage

R_L= inf

R_L= 3KΩ

R_L= 450Ω (see note 1)

4.5

V_OL

Low Level Output Voltage

V_in= 2.4V

R_L= inf

R_L= 3KΩ

R_L= 450Ω (see note 1)

– 6

– 5

– 4.5

V_Ol

V_IH

V_IL

V_IK

I_IH

Output Voltage Balance

High Level Input Voltage

Low Level Input Voltage

Input Clamp Voltage

|V_CC| = |V_EE|; R_L= 450Ω

0.4

0.8

I_IN= – 15mA

V_IN= 2.4V

V_IN= 0.4V

– 1.5

– 400

High Level Input Current

Low Level Input Current

Positive Supply Current

µA

I_IL

I_CC

V_IN= 2.4V; R_S= 2KΩ; R_L= 3KΩ

C_L= 2.5nF; (See note 2)

I_CC1

I_EE

Positive Supply Current

Negative Supply Current

V_IN= 0.4V; R_S= 2KΩ; R_L= 3KΩ

C_L= 2.5nF; (See note 2)

V_IN= 2.4V; R_S= 2KΩ; R_L= 3KΩ

C_L= 2.5nF; (See note 2)

– 30

– 40

I_EE1

V_IN= 0.4V; R_S= 2KΩ; R_L= 3KΩ

C_L= 2.5nF; (See note 2)

I_sh

I_sl

Output Short Circuit Current

Output Current Balance

Output Leakage Current

V_O= 0V; V_IN= 2.4V; (see fig.1)

Ish/Isl = Ibal

100

– 25

1.6

– 100

0.625

I_bal

I_x

mA/mA

See fig.2,3 and note 3

_O= 6V

_O= – 6V

2.7

1.2

µA

– 70

t_r

Rise time (see note 4 and 5; see R_L= 450Ω; C_L= 50pF

µs

figure 4A)

R_slew= 5.34KΩ ±1%

t_rc1

t_rc2

t_rc3

t_rc4

t_f

R_L= 450Ω; C_L= 0.01µF

R_slew= 10KΩ ±1%

R_L= 450Ω; C_L= 0.1µF

R_slew= 10KΩ ±1%

R_L= 450Ω; C_L= 2.5nF

R_slew= 2KΩ ±1%

0.65

3.25

R_L= 450Ω; C_L= 2.5nF

R_slew= 10KΩ ±1%

Fall time (see note 4 and 5; see

figure 4A)

R_L= 450Ω; C_L= 50pF

R_slew= 5.34KΩ ±1%

2.7

1.2

t_fc1

t_fc2

t_fc3

t_fc4

R_L= 450Ω; C_L= 0.01µF

R_slew= 10KΩ ±1%

R_L= 450Ω; C_L= 0.1µF

R_slew= 10KΩ ±1%

R_L= 450Ω; C_L= 2.5nF

R_slew= 2KΩ ±1%

0.65

3.25

R_L= 450Ω; C_L= 2.5nF

R_slew= 10KΩ ±1%

Note 1: The Output under load must not drop below 90% of the open circuit drive level.

Note 2: This represents the static condition only. Applications can see 130mA normal current draw for clock and data lines with up to 500mA

transients when all lines are transitioning at the same time. Over 500ft of cable slew rate is governed by thedrivers ability to sink current.

The currents are rougly equivalent to the short circuit current.

3/9

L5170

AC ELECTRICAL CHARACTERISTICS (continued)

Symbol

t_lz

Parameter

Test Condition

Min.

Typ.

Max.

Unit

µs

Output Enable to Output

(see figure 4B)

R_L= 450Ω; C_L= 50pF

R_slew= 10KΩ

t_nz

µs

t_zl

150

0.9

µs

t_zh

µs

t_plh

Propagation (see figure 4C)

RL = 450Ω; C_L= 50pF

R_slew= 2KΩ

0.3

µs

t_ph1

µs

LINE TRANSIENT IMMUNITY (Considering the following cases: Powered ON, Powered OFF-Low im-

pedancepower supply and Powered OFF-High impedance supply).

ESD

EOS

Elettrostatic Discharge

Electrical Overstress

Tested per MIL-STD-883

(see note 6)

Transient pulse both polarities

for 100µs (see note 7)

Note 3: The outputleakage is measured under the following conditions:

a) The Driver tristated

b) Power supply OFF, and the power pins shorted to Ground

c) Power supply OFF. Impedances between power pins open and power pins shorted to Ground.

Note 4: The output waveform should not show any signs of oscillations under any load variation between o.1VVss and 0.9Vss. The oscillation

allowed when V_SS< 0.1V_SSand V_ss>0.9V_ssshall be 10% of V_ss.

Note 5: t_fc1thru t_rc4shall be within ±20% of t thru t_rc4respectively.

rc1

Note 6: All pins are required to withstand parameter.

Note 7: Output pins are required to withstand fig.5 without any degradation to the circuit.

TEST CIRCUIT

4/9

L5170

Figure 1: Output Leakage Test Circuit

Figure 2: Output VoltageRise Time

Figure 3: EOS Requirements

5/9

L5170

Figure 4: Waveforms

6/9

L5170

DIP28 PACKAGE MECHANICAL DATA

inch

TYP.

0.025

0.018

DIM.

MIN.

0.23

15.2

TYP.

0.63

0.45

MAX.

MIN.

0.009

0.598

MAX.

0.31

0.012

1.27

0.050

37.34

16.68

1.470

0.657

2.54

0.100

1.300

33.02

14.1

0.555

4.445

3.3

0.175

0.130

7/9

L5170

PLCC28 PACKAGE MECHANICAL DATA

inch

TYP.

DIM.

MIN.

12.32

11.43

4.2

TYP.

MAX.

12.57

11.58

4.57

MIN.

0.485

0.450

0.165

0.090

0.020

0.390

MAX.

0.495

0.456

0.180

0.120

2.29

0.51

9.91

3.04

10.92

0.430

1.27

7.62

0.46

0.71

0.050

0.300

0.018

0.028

0.101

0.004

1.24

0.049

0.045

1.143

8/9

L5170

Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the

consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No

license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications men-

tioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied.

SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without ex-

press written approval of SGS-THOMSON Microelectronics.

1995 SGS-THOMSON Microelectronics - All RightsReserved

SGS-THOMSON Microelectronics GROUP OF COMPANIES

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9/9

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