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HD26LS32A PDF даташит

Спецификация HD26LS32A изготовлена ​​​​«Hitachi Semiconductor» и имеет функцию, называемую «Quadruple Differential Line Receivers».

Детали детали

Номер произв HD26LS32A
Описание Quadruple Differential Line Receivers
Производители Hitachi Semiconductor
логотип Hitachi Semiconductor логотип 

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HD26LS32A Даташит, Описание, Даташиты
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HD26LS32A
Quadruple Differential Line Receivers With 3 State Outputs
The HD26LS32A 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.
Logic Diagram
1A
1B
2A
2B
3A
3B
4A
4B
Enable G
Enable G
1Y
2Y
3Y
4Y
Pin Arrangement
1B 1
1A 2
1Y 3
Enable 4
G
2Y 5
2A 6
2B 7
GND 8
16 VCC
15 4B
14 4A
13 4Y
12 Enable
G
11 3Y
10 3A
9 3B
(Top View)
Function Table
Differential Input
A–B
VID VTH
VTL < VID < VTH
VID VTL
X
Enable
GG
HX
XL
HX
XL
HX
XL
LH
H : High level
L : Low level
X : Immaterial
? : Irrelevant
Z : High impedance
Output
Y
H
H
?
?
L
L
Z









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HD26LS32A Даташит, Описание, Даташиты
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HD26LS32A
Absolute Maximum Ratings
HD26LS32A
Item
Supply Voltage
Symbol
VCC *1
Ratings
7.0
Unit
V
Input Voltage A or B
Differential Input Voltage
Enable Input Voltage
Output Sink Current
VIN
VID *2
VIN
Iout
±25
±25
7
50
V
V
V
mA
Continuous Total Dissipation
PT
1
W
Operating Temperature
Storage Temperature
Topr 0 to +70
°C
Tstg
– 65 to 150
°C
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 input.
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
VCC
VIC
IOH
IOL
Topr
Min
4.75
0
Typ
5.00
Max
5.25
±7.0
– 440
8
70
Unit
V
V
µA
mA
°C
2









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HD26LS32A Даташит, Описание, Даташиты
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HD26LS32A
Electrical Characteristics (Ta = 0 to +70°C)
HD26LS32A
Item
Differential Input High
Threshold Voltage
Differential Input Low
Threshold Voltage
Input Hysteresis *2
Enable Input Voltage
Enable Input
Clamp Voltage
Symbol Conditions
Min
VTH VOH = 2.7V, IOH = –440µA
VIC =
–7 to +7 V
VTL VOL = 0.4 V, IOL = 4 mA
VTH–VTL
VOL = 0.45 V, IOL = 8 mA
VIH 2.0
VIL
VIK VCC = 4.75 V, IIN = –18 mA
Typ *1 Max
0.2
Unit
V
–0.2
–0.2
50 mV
V
0.8
–1.5
Output Voltage
VOH
VOL
VCC = 4.75V, VID = 1V, IOH = –440µA 2.7
VIL (G)
VID = –1 V, IOL = 4 mA
= 0.8V
VID = –1 V, IOL = 8 mA
0.4
0.45
Off State(High Impedance) IOZ
Output Current
VCC = 5.25V VO = 2.4 V
VO = 0.4 V
20 µA
–20
Line Input Current
II VI = 15 V, Other Inputs–10 to +15 V
VI = –15 V, Other Inputs–15 to +10 V
2.3 mA
–2.8
Enable Input Current
II (EN) VI = 5.5 V
IIH VI = 2.7 V
100 µA
20
IIL VI = 0.4 V
–0.36 mA
Input Resistance
Short Circuit
Output Current
ri VIC = –15 to +15 V(Other Inputs AC GND) 6
9.8
K
IOS *3 VCC = 5.25 V
–15 –85 mA
Supply Current
ICC VCC = 5.25V, VI = 0V(All Outputs Disable)
52 70
Notes: 1. All typical values are at VCC=5V, Ta=25°C,VIC=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.
3










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