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MC34C87 반도체 회로 부품 판매점

Quad EIA-422-A Line Driver



Motorola Semiconductors 로고
Motorola Semiconductors
MC34C87 데이터시트, 핀배열, 회로
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Product Preview
Quad EIA-422-A Line Driver
CMOS
The MC34C87 is a quad differential line driver designed for digital data
transmission over balanced lines. The MC34C87 meets all the requirements of
standard EIA–422–A while retaining the low–power characteristics of CMOS.
The MC34C87 accepts TTL or CMOS input levels and translates these to
EIA–422–A output level. This part uses special output circuitry that enables the
individual drivers to power down without loading down the bus. The MC34C87
also includes special circuitry which will set the outputs to a high impedance
mode during power up or down, preventing spurious glitches. Each enable pin
controls two drivers.
The MC34C87 is pin compatible with the MC3487.
All pins are protected against damage due to electrostatic discharges.
Maximum Power Supply Current: 3 mA
2000 V ESD Protection on the Inputs and the Outputs
TTL/CMOS Input Compatible
Typical Propagation Delay: 6 ns
Typical Output Skew: 1 ns
Meets VO = 6.0 V (and VO = – 0.25 V), VCC = 0 V, IO < 100 µA
Requirement
Operation from Single 5 V Supply
High Impedance Mode for Outputs Connected to System Buses
Order this document
by MC34C87/D
MC34C87
16
1
P SUFFIX
PLASTIC DIP
CASE 648
16
1
D SUFFIX
SOG PACKAGE
CASE 751B
ORDERING INFORMATION
MC34C87P
MC34C87D
Plastic DIP
SOG Package
BLOCK DIAGRAM
C/D
CONTROL
12
INPUT D
15
INPUT C
9
INPUT B
7
INPUT A
1
4
8 16
14 13
10 11
65
23
GND VCC OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT
D2 D1
C2 C1
B2 B1
A2 A1
This document contains information on a product under development. Motorola reserves the right to change or discontinue this product without notice.
REV 3
1993
©MOMoTtoOroRla,OInLc.A1995
MC34C87
1


MC34C87 데이터시트, 핀배열, 회로
TRUTH TABLE
Control Input
L
H
H
X = Don’t Care
Z = High Impedance
Input
Non–Inverting
Output
XZ
HH
L
H = High Logic State
L = Low Logic State
L
Inverting
Output
Z
L
H
MAXIMUM RATINGS
Rating
Power Supply Voltage
DC Input Voltage
DC Output Voltage*
DC Output Current, per Pin
DC VCC or GND Current, per Pin
Storage Temperature
Power Dissipation
ESD (Human Body Model)
* Power–on conditions.
Symbol
VCC
Vin
Vout
Iout
IDD
Tstg
PD
Value
7
– 1.5 to VCC + 1.5
– 0.5 to VCC + 0.5
150
150
– 65 to + 150
500
2000
Unit
V
V
V
mA
mA
°C
mW
V
This device contains circuitry to protect the
inputs against damage due to high static volt-
ages or electric fields; however, it is advised that
normal precautions be taken to avoid applica-
tions of any voltage higher than the maximum
rated voltages to this high impedance circuit.
For proper operation it is recommended that
Vin and Vout be constrained to the range VSS
(Vin or Vout) VDD. Reliability of operation is
enhanced if unused inputs are tied to and
appropriate logic voltage level (e.g., either VSS
or VDD).
OPERATING CONDITIONS
Power Supply Voltage
DC Input Voltage
Operating Temperature Range
Input Rise and Fall Time
Rating
Symbol
VCC
Vin
TA
tr, tf
Min
4.5
0
– 40
Max
5.5
VCC
+ 85
500
Unit
V
V
°C
ns
DC CHARACTERISTICS (VCC = 4.5 to 5.5 V, TA = – 40 to + 85°C, unless otherwise stated)
Parameter
Symbol
Min
Input Voltage (Low Logic State)
VIL —
Input Voltage (High Logic State)
Output Voltage (Low Logic State) Isink = 20 mA
Output Voltage (High Logic State) Isource = – 20 mA
Output Differential Voltage RL = 100 (Note 1)
Output Differential Voltage Difference RL = 100 (Note 1)
Output Offset Voltage RL = 100 (Note 1)
Output Offset Voltage Difference RL = 100 (Note 1)
Input Current Vin = VCC, GND, VIH or VIL
Quiescent Supply Current Iout = 0 µA
Output Short Circuit Current (Note 2)
Output Leakage Current (High–Z State) Vout = VCC or GND
VIH
VOL
VOH
VOD
D(VOD)
VOS
D(VOS)
Iin
ICC
IOS
IO(Z)
2.0
2.5
2.0
– 30
Output Leakage Current (Power Off)
Vout = 6 V
Vout = – 0.25 V
NOTES:
1. See EIA specifications EIA–422–A for exact test conditions.
2. Only one output may be shorted at a time.
Ioxh
Ioxl
Typ
0.3
2.8
– 100
Max
0.8
0.5
± 0.4
3.0
± 0.4
± 1.0
3.0
– 150
± 1.0
100
– 100
Unit
V
V
V
V
V
V
V
V
µA
mA
mA
µA
µA
MC34C87
2
MOTOROLA




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MC34C87 driver

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