Texas Instruments AM26LS33AMWB, AM26LS33AMJB, AM26LS33AMJ, AM26LS33AMFKB, AM26LS33ACNS Datasheet

AM26LS32AC, AM26LS33AC, AM26LS32AM, AM26LS33AM

QUADRUPLE DIFFERENTIAL LINE RECEIVERS

SLLS115C – OCTOBER 1980 – REVISED APRIL 2000

1

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

D

AM26LS32A Meets or Exceeds the
Requirements of ANSI EIA/TIA-422-B,
EIA/TIA-423-B, and ITU Recommendations
V.10 and V.11

D

AM26LS32A Has ±7-V Common-Mode
Range With ±200-mV Sensitivity

D

AM26LS33A Has ±15-V Common-Mode
Range With ±500-mV Sensitivity

D

Input Hysteresis . . . 50 mV T ypical

D

Operates From a Single 5-V Supply

D

Low-Power Schottky Circuitry

D

3-State Outputs

D

Complementary Output-Enable Inputs

D

Input Impedance . . . 12 kΩ Min

D

Designed to Be Interchangeable With
Advanced Micro Devices AM26LS32 and
AM26LS33

description

The AM26LS32A and AM26LS33A devices are
quadruple differential line receivers for balanced
and unbalanced digital data transmission. The
enable function is common to all four receivers
and offers a choice of active-high or active-low
input. The 3-state outputs permit connection
directly to a bus-organized system. Fail-safe
design ensures that, if the inputs are open, the
outputs are always high.

Compared to the AM26LS32 and the AM26LS33, the AM26LS32A and AM26LS33A incorporate an additional
stage of amplification to improve sensitivity . The input impedance has been increased, resulting in less loading
of the bus line. The additional stage has increased propagation delay; however, this does not affect
interchangeability in most applications.

The AM26LS32AC and AM26LS33AC are characterized for operation from 0°C to 70°C. The AM26LS32AM
and AM26LS33AM are characterized for operation over the full military temperature range of –55°C to 125°C.

Copyright  2000, Texas Instruments Incorporated

PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

AM26LS32 and AM26LS33 are trademarks of Advanced Micro Devices, Inc.

1
2
3
4
5
6
7
8

16
15
14
13
12
11
10

9

1B
1A
1Y

G
2Y
2A
2B

GND

V

CC

4B
4A
4Y
G
3Y
3A
3B

AM26LS32AC, AM26LS33AC ...D OR N PACKAGE

AM26LS32AM, AM26LS33AM ...J PACKAGE

(TOP VIEW)

3212019

910111213

4
5
6
7
8

18
17
16
15
14

4A
4Y
NC
G
3Y

1Y

G

NC

2Y
2A

AM26LS32AM, AM26LS33AM . . . FK PACKAGE

(TOP VIEW)

1A1BNC

3B

3A

4B

2B

GND

NC

V

CC

NC – No internal connection

AM26LS32AC, AM26LS33AC, AM26LS32AM, AM26LS33AM
QUADRUPLE DIFFERENTIAL LINE RECEIVERS

SLLS115C – OCTOBER 1980 – REVISED APRIL 2000

2

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

FUNCTION TABLE

(each receiver)

DIFFERENTIAL

ENABLES

OUTPUT

A – B

G G

Y

H X H

V

ID

≥ V

IT+

X LH
H X ?

V

IT–

≤

V

ID

≤

V

IT+

X L?
H X L

V

ID

≤

V

IT–

X LL

X L H Z

p

H X H

Open

X L H

H = high level, L = low level, ? = indeterminate,
X = irrelevant, Z = high impedance (off)

logic symbol

†

2

1A

1

1B

1Y

3

4

G

12

≥ 1

EN

6

2A

7

2B

2Y

5

10

3A

9

3B

3Y

11

14

4A

15

4B

4Y

13

G

†

This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.

Pin numbers shown are for D, J, and N packages.

logic diagram (positive logic)

4
12

2
1

3

6
7

5

10
9

11

14
15

13

G
G

1A
1B

2A
2B

3A
3B

4A
4B

1Y

2Y

3Y

4Y

AM26LS32AC, AM26LS33AC, AM26LS32AM, AM26LS33AM

QUADRUPLE DIFFERENTIAL LINE RECEIVERS

SLLS115C – OCTOBER 1980 – REVISED APRIL 2000

3

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

schematics of inputs and outputs

EQUIVALENT OF EACH

DIFFERENTIAL INPUT

V

CC

Input

EQUIVALENT OF EACH ENABLE INPUT

Output

85 Ω
NOM

TYPICAL OF ALL OUTPUTS

8.3 kΩ
NOM

Enable

20 kΩ

NOM

960 Ω
NOM

960 Ω
NOM

100 kΩ
A Input Only

V

CC

100 kΩ
B Input Only

V

CC

absolute maximum ratings over operating free-air temperature range (unless otherwise noted)

†

Supply voltage, V

CC

(see Note 1) 7 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Input voltage, V

I

: Any differential input ±25 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Other inputs 7 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Differential input voltage, VID (see Note 2) ±25 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Continuous total power dissipation See Dissipation Rating Table. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Package thermal impedance, θJA (see Note 3): D package 73°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

N package 67°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds: D or N package 260°C. . . . . . . . . . . . . . . .

Lead temperature 1,6 mm (1/16 inch) from case for 60 seconds: J package 300°C. . . . . . . . . . . . . . . . . . . . .

Case temperature for 60 seconds, TC: FK package 260°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Storage temperature range, T

stg

–65°C to 150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

†

Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

NOTES: 1. All voltage values, except differential voltages, are with respect to the network ground terminal.

2. Differential voltage values are at the noninverting (A) input terminals with respect to the inverting (B) input terminals.

3. The package thermal impedance is calculated in accordance with JESD 51.

DISSIPATION RATING TABLE

PACKAGE

TA ≤ 25°C

POWER RATING

DERATING FACTOR

ABOVE TA = 25°C

TA = 70°C

POWER RATING

TA = 125°C

POWER RATING

FK 1375 mW 11.0 mW/°C 880 mW 275 mW

J 1375 mW 11.0 mW/°C 880 mW 275 mW