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PDF 26LS33AC Data sheet ( Hoja de datos )
| Número de pieza | 26LS33AC | |
| Descripción | AM26LS33AC / DS26LS33AC | |
| Fabricantes | ETC | |
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AM26LS32AC, AM26LS32AI, AM26LS33AC,
AM26LS32AM, AM26LS33AM
QUADRUPLE DIFFERENTIAL LINE RECEIVERS
SLLS115D – OCTOBER 1980 – REVISED MARCH 2002
D AM26LS32A Devices Meet or Exceed the
Requirements of ANSI TIA/EIA-422-B,
TIA/EIA-423-B, and ITU Recommendations
V.10 and V.11
D AM26LS32A Devices Have ±7-V
Common-Mode Range With ±200-mV
Sensitivity
D AM26LS33A Devices Have ±15-V
Common-Mode Range With ±500-mV
Sensitivity
D Input Hysteresis . . . 50 mV Typical
D Operate 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 always are high.
AM26LS32AC . . . D, N, OR NS PACKAGE
AM26LS32AI, AM26LS33AC . . . D OR N PACKAGE
AM26LS32AM, AM26LS33AM . . . J PACKAGE
(TOP VIEW)
1B
1A
1Y
G
2Y
2A
2B
GND
1
2
3
4
5
6
7
8
16 VCC
15 4B
14 4A
13 4Y
12 G
11 3Y
10 3A
9 3B
AM26LS32AM, AM26LS33AM . . . FK PACKAGE
(TOP VIEW)
1Y
3 2 1 20 19
4 18
4A
G5
17 4Y
NC 6
16 NC
2Y 7
15 G
2A 8
14 3Y
9 10 11 12 13
NC – No internal connection
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 AM26LS32AI is
characterized for operation from –40°C to 85°C. The AM26LS32AM and AM26LS33AM are characterized for
operation over the full military temperature range of –55°C to 125°C.
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.
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.
Copyright 2002, Texas Instruments Incorporated
•POST OFFICE BOX 655303 DALLAS, TEXAS 75265
1
1 page  
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AM26LS32AC, AM26LS32AI, AM26LS33AC,
AM26LS32AM, AM26LS33AM
QUADRUPLE DIFFERENTIAL LINE RECEIVERS
SLLS115D – OCTOBER 1980 – REVISED MARCH 2002
switching characteristics, VCC = 5 V, TA = 25°C
PARAMETER
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Propagation delay time, low-to-high-level output
Propagation delay time, high-to-low-level output
Output enable time to high level
Output enable time to low level
Output disable time from high level
Output disable time from low level
TEST CONDITIONS
CL = 15 pF, See Figure 1
CL = 15 pF, See Figure 1
CL = 5 pF, See Figure 1
MIN TYP MAX UNIT
20 35
ns
22 35
17 22
ns
20 25
21 30
ns
30 40
From Output
Under Test
CL
(see Note A)
PARAMETER MEASUREMENT INFORMATION
Test
Point
VCC
RL = 2 kΩ
S1
5 kΩ
See Note B
S2
Input
0
tPLH
Output
0
tPHL
1.3 V
S1 and S2 Closed
2.5 V
–2.5 V
VOH
1.3 V
VOL
TEST CIRCUIT
VOLTAGE WAVEFORMS FOR tPLH, tPHL
Enable G
≤5 ns
90%
1.3 V
90%
1.3 V
≤5 ns
3V
Enable G
≤5 ns
90%
1.3 V
90%
1.3 V
≤5 ns
3V
10%
90%
See Note C
10%
0
10%
90% 3 V 90%
See Note C
10%
90%
0
3V
1.3 V
Enable G
tPZH
Output
S1 Open
S2 Closed
10%
1.3 V
10%
tPHZ
1.3 V
Enable G
1.3 V
0.5 V
0
VOH
≈1.4 V
S1 Closed
S2 Closed
10%
tPZL
Output
1.3 V
S1 Closed
S2 Open
1.3 V
10%
S1 Closed
S2 Closed
tPLZ
0.5 V
VOLTAGE WAVEFORMS FOR tPHZ, tPZH
VOLTAGE WAVEFORMS FOR tPLZ, tPZL
NOTES: A. CL includes probe and jig capacitance.
B. All diodes are 1N3064 or equivalent.
C. Enable G is tested with G high; G is tested with G low.
0
≈1.4 V
VOL
Figure 1
•POST OFFICE BOX 655303 DALLAS, TEXAS 75265
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| PDF Descargar | [ Datasheet 26LS33AC.PDF ] | |
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