SY100EL1001ZC(1998) Просмотр технического описания (PDF) - Micrel
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SY100EL1001ZC Datasheet PDF : 6 Pages
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Micrel
PIN NAMES
TRUTH TABLE(1)
PRELIMINARY
SY100EL1001
Pin
VCC, VCCO
VEE
VBB
D,D
CLK, CLK
MR
OUT, OUT
MC
RSET
NC
Function
Most positive power supply pins separation helps
to isolate sensitive circuitry from noise
generating function. +5V for PECL operation
or ground for ECL operation.
Most negative power supply input. Ground
for PECL operation or -5V for ECL operation.
This pin provides a reference voltage for use
in single ended applications or when the
input signal is AC coupled into the device.
These differential ECL/PECL 100K
compatible inputs receive NRZ data.
These differential clock inputs
This ECL/PECL 100K compatible input resets
the Laser Driver Logic - modulation current
transitions to zero when asserted high.
Open collector outputs from the modulation
buffer drive these differential current outputs.
An external voltage sets the main value of
modulation current IO.
An external resistor sets the source current
for modulation Imod.
These pins are not connected.
D
D
CLK CLK
MR
OUT
L
H
Z
ZZ
L
H
H
L
Z
ZZ
L
L
X
X
X
X
H
H
NOTE:
1. L = LOW, H = HIGH, Z = LOW-to-HIGH transition,
ZZ = HIGH-to-LOW transition, X = don't care.
OUT
L
H
L
ABSOLUTE MAXIMUM RATINGS(1)
Symbol
Rating
Value
Unit
VCC
Power Supply Voltage (VCC = 0V)
0 to -7.0
V
VIN
Input Voltage (VCC = 0V)
0 to -6.0
V
IO
Output Current
75
mA
TA
Operating Temperature Range
-40 to +85
˚C
Ptot
Power Dissipation
500
mW
NOTE:
1. Permanent device damage may occur if ABSOLUTE MAXIMUM RATINGS are exceeded. This is a stress rating only and functional operation is not implied
at conditions other than those detailed in the operational sections of this data sheet. Exposure to ABSOLUTE MAXIMUM RATlNG conditions for extended
periods may affect device reliability.
OPERATIONING CONDITIONS(1)
Symbol
Rating
VEE
Power Supply Voltage
RSET
Resistor to Adjust Current
REXT
Resistor to Dissipate Power
RSER
Laser Diode Serial Resistor
NOTE:
1. The voltage drop across REXT and RSER should not be greater than 2V.
Value
-4.75 to -5.25
10 to 100
10 to 50
0 to 50
Unit
V
Ω
Ω
Ω
2
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