DS1776 datasheet(2/11 Pages) NSC

Part #	DS1776

Description	PI-Bus Transceiver

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Manufacturer	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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MIL-STD-883C

DEVICE SPECIFICATIONS

Absolute Maximum Ratings (Notes 1, 2)

The 883 specifications are written to reflect the Rel Elec-

trical Test Specifications (RETS) established by National

Semiconductor for this product. For a copy of the latest

RETS please contact your local National Semiconductor

sales office or distributor.

Supply Voltage (V

CC)

−0.5V to +7.0V

V

X,VOH Output Level Control Voltage

(A Outputs)

−0.5V to +7.0V

OEB n, OEA, LE Input Voltage (V

I)

−0.5V to +7.0V

A0–A7, B0–B7 Input Voltage (V

I)

−0.5V to +5.5V

Input Current (I

I)

−40 mA to +5 mA

Voltage Applied to Output in

High Output State (V

O)

−0.5V to +V

CCV

A0–A7 Current Applied to Output

in Low Output State (I

O)40 mA

B0–B7 Current Applied to Output

in Low Output State (I

O)

200 mA

Storage Temperature Range (T

STG)

−65˚C to +150˚C

Lead Temperature

(Soldering 10 Sec.)

260˚C

ESD Tolerance:

C

ZAP = 120 pF, RZAP = 1500Ω

0.5 kV

Operating Conditions

Min

Max

Units

Supply Voltage (V

CC)

4.5

5.5

V

Operating Temp. Range (T

A)

−55

+125

˚C

Input Rise or Fall Times (t

r,tf)50

ns

PI Bus Transceiver DS1776

DC Electrical Characteristics

V

CC = 5V ±10% (Unless Otherwise Specified) DC testing temp. groups: 1 = +25˚C, 2 = +125˚C, 3 = −55˚C

Symbol

Parameter

Conditions

Temp.

Min

Typ

Max Units

(Notes 3, 5)

Group

(Note 4)

V

IH

High Level Input

Except Bn

1, 2, 3

2

V

Voltage

Bn

1.6

V

IL

Low Level Input

Except Bn

1, 2, 3

0.8

V

Voltage

Bn

1.45

V

I

OH

High Level Output

An

V

IN = VIH

1, 2, 3

−3

mA

Current

V

OH = VCC − 2.0V

High Level Output

Bn

V

CC = Max, OEA = LE

100

µA

Current

V

IH = 2.0V, VOH =

2.1V

I

OL

Low Level Output

An

V

IN = VIL

1, 2, 3

Current

V

OL = 0.5V

20

mA

Bn

V

OL = 1.15V

100

mA

I

IK

Input Clamp

Current

Except An

1, 2, 3

−18

mA

An

−40

mA

I

OZ

TRI-STATE

Output

An

1, 2, 3

±70

µA

Leakage Current

Bn

V

OH

High Level Output

An

V

CC = Min, VIH = 1.9V

I

OH = −3mA

1,2,3

2.5

V

CC

V

Voltage

V

X = VCC

I

OH = −0.4

mA

2.5

V

X

V

X = 3.13V to

3.47V

V

OL

Low Output

An

V

CC=Min, VIL=1.2V

I

OL=20 mA,

0.5

V

Level Voltage

V

X=VCC

Bn

V

CC=Min, VIL=0.8V

I

OL=100 mA

1, 2, 3

1.15

V

I

OL=4 mA

0.4

V

IK

Input Clamp

An

V

CC=Min, II=−40 mA

1, 2, 3

−0.5

V

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