HD26LS32
Quadruple Differential Line Receivers With 3 State Outputs
REJ03D0295–0200Z
(Previous ADE-205-577 (Z))
Rev.2.00
Jul.16.2004
Description
The HD26LS32 features quadruple line receivers designed to meet the specs of EIA standard RS-422A and RS-423.
This device operates from a single 5 V power supply. The enable function is common to all four receivers and offers a
choice of active high or active low input. Fail safe design ensures that if the inputs are open, the outputs will always be
high.
Features
•
Ordering Information
Part Name
HD26LS32P
HD26LS32FPEL
Package Type
Package Code
P
FP
Package
Abbreviation
—
EL (2,000 pcs/reel)
Taping Abbreviation
(Quantity)
DILP-16 pin (JEITA) DP-16E, -16FV
SOP-16 pin (JEITA) FP-16DAV
Note: Please consults the sales office for the above package availability.
Logic Diagram
1A
1B
2A
2B
3A
3B
4A
4B
Enable G
Enable G
1Y
2Y
3Y
4Y
Rev.2.00, Jul.16.2004, page 1 of 14
HD26LS32
Pin Arrangement
1B 1
1A 2
1Y 3
Enable G 4
2Y 5
2A 6
2B 7
GND 8
16 V
CC
15 4B
14 4A
13 4Y
12 Enable G
11 3Y
10 3A
9 3B
(Top view)
Function Table
Differential Input
A–B
V
ID
≥
V
TH
V
TL
< V
ID
< V
TH
V
ID
≤
V
TL
X
H
L
X
?
Z
:
:
:
:
:
High level
Low level
Immaterial
Irrelevant
High impedance
H
X
H
X
H
X
L
Enable
G
X
L
X
L
X
L
H
G
H
H
?
?
L
L
Z
Output
Y
Rev.2.00, Jul.16.2004, page 2 of 14
HD26LS32
Absolute Maximum Ratings
Item
Supply Voltage
In Phase Input Voltage
Differential Input Voltage
Enable Input Voltage
Output Sink Current
Continuous Total Dissipation
Operating Temperature Range
Storage Temperature Range
V
CC
*
1
V
IC
V
ID
*
2
V
IN
Iout
P
T
Topr
Tstg
Symbol
7.0
±25
±25
7
50
1
0 to +70
–65 to 150
Ratings
V
V
V
V
mA
W
°C
°C
Unit
Notes: 1. All voltage values except for differential input voltage are with respect to network ground terminal.
2. Differential input voltage is measured at the noninverting input with respect to the corresponding inverting
onput.
3. The absolute maximum ratings are values which must not individually be exceeded, and furthermore, no two
of which may be realized at the same time.
Recommended Operating Conditions
Item
Supply Voltage
In Phase Input Voltage
Output Current
Operating Temperature
Symbol
V
CC
V
IC
I
OH
I
OL
Topr
4.75
—
—
—
0
Min
5.00
—
—
—
—
Typ
5.25
±7.0
–440
8
70
Max
V
V
µA
mA
°C
Unit
Rev.2.00, Jul.16.2004, page 3 of 14
HD26LS32
Electrical Characteristics
(Ta = 0 to +70°C)
Item
Differential Input High
Threshold Voltage
Differential Input Low
Threshold Voltage
Input Hysteresis*
2
Enable Input Voltage
Enable Input Clamp
Voltage
Output Voltage
Symbol
V
TH
V
TL
V
TH
– V
TL
V
IH
V
IL
V
IK
V
OH
V
OL
Off State (High
Impedance) Output
Current
Line Input Current
Enable Input Current
I
OZ
Min Typ*
1
Max Unit
—
—
—
—
2.0
—
—
2.7
—
—
—
—
—
—
—
—
—
6
–15
—
—
—
—
30
—
—
—
—
—
—
—
—
—
—
—
—
—
9.8
—
52
0.2
–0.2
–0.2
—
—
0.8
1.5
—
0.4
0.45
20
–20
2.3
2.8
100
20
µA
mV
V
V
CC
= 4.75 V, I
IN
= –18 mA
V
CC
= 4.75 V
V
IL
(G) = 0.8 V
V
CC
= 5.25 V
V
ID
= 1 V, I
OH
= –440 µA
V
ID
= –1 V, I
OL
= 4 mA
V
ID
= –1 V, I
OL
= 8 mA
V
O
= 2.4 V
V
O
= 0.4 V
V
Conditions
V
IC
= –7 to +7 V V
OH
= 2.7 V, I
OH
= –440 µA
V
OL
= 0.4 V, I
OL
= 4 mA
V
OL
= 0.45 V, I
OL
= 8 mA
I
I
I
I
(EN)
I
IH
I
IL
ri
I
OS
*
3
I
CC
mA
µA
V
I
= 15 V, Other Inputs –10 to +15 V
V
I
= –15 V, Other Inputs –15 to +10 V
V
I
= 5.5 V
V
I
= 2.7 V
V
I
= 0.4 V
V
IC
= –15 to +15 V (Other Inputs AC GND)
V
CC
= 5.25 V
V
CC
= 5.25 V, V
I
= 0 V (All Outputs Disable)
Input Resistance
Short Circuit Output
Current
Supply Current
–0.36 mA
—
kΩ
–85
70
mA
Notes: 1. All typical values are at V
CC
= 5 V, Ta = 25°C,V
IC
= 0.
2. Hysteresis is the differential between the positive going input threshold voltage and the negative going input
threshold voltage.
3. Not more than one output should be shorted at a time.
Switching Characteristics
(V
CC
= 5 V, Ta = 25°C)
TItem
Propagation Delay Time
Output Enable Time
Output Disable Time
Symbol
t
PLH
, t
PHL
t
ZH
, t
ZL
t
HZ
t
LZ
Min
—
—
—
—
17
15
15
20
typ
Max
25
22
22
30
Unit
ns
Conditions
C
L
= 15 pF
C
L
= 5 pF
Rev.2.00, Jul.16.2004, page 4 of 14
HD26LS32
1. t
PLH
, t
PHL
Test circuit
V
CC
Input
Output
2 k
Ω
Pulse
Generator
*1
C
L
*2
5 k
Ω
*3
2V
Waveforms
2.5 V
Input A
0V
0V
–2.5 V
2.5 V
Input B
0V
0V
–2.5 V
t
PLH
t
PHL
V
OH
Output
1.3 V
1.3 V
V
OL
Rev.2.00, Jul.16.2004, page 5 of 14
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