SEMICONDUCTOR
SYNERGY
5V VARIABLE OUTPUT SWING
DIFFERENTIAL RECEIVER
SY100EL16S
SY100EL16S
FEATURES
s
5V power supply options
s
High bandwidth output transitions
s
Internal 75K
Ω
pull-down resistors on inputs
s
Functionally equivalent to SY10/100EL16V with
variable output swing
s
Improved output waveform characteristics
s
ESD protection of 2000V
s
Available in 8-pin (3mm) TSSOP
DESCRIPTION
The SY100EL16S is a differential receiver with variable
output swing. This device is functionally equivalent to
the EL16V, with an additional input that control the output
amplitude.
The operating range of the EL16S control input is from
V
BB
(max. swing) to V
CC
(min. swing). Control of the
output swing can be obtained by a variable resistor
between the V
BB
pin and V
CC
with the wiper driving
V
CTRL
.
The EL16S provides a V
BB
output for either single-
ended use or as a DC bias for AC coupling to the device.
The V
BB
pin should be used only as a bias for the EL16S
as its current sink/source capability is limited. Whenever
used, the V
BB
pin should be bypassed to V
CC
via a
0.01µF capacitor.
Under open input conditions (pulled to V
EE
), internal
input clamps will force the Q output LOW.
PIN CONFIGURATION/BLOCK DIAGRAM
V
CTRL
D
D
V
BB
1
2
3
4
9
7
6
5
V
CC
Q
Q
V
EE
PIN NAMES
Pin
D, D
Q, Q
V
BB
Data Inputs
Data Outputs
Reference Voltage Output
Output Swing Control
Function
TOP VIEW
V
CTRL
TYPICAL VOLTAGE OUTPUT SWING
100
90
+105°C
VOLTAGE SWING (%)
80
70
60
50
40
30
20
10
0
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
V
CC
– V
CTRL
-40°C
+45°C
Figure 1. Typical Voltage Output Swing
V
CC
= 5V
© 1999 Micrel-Synergy
Rev.: B
Amendment: /0
1
Issue Date: November 1999
SEMICONDUCTOR
SYNERGY
SY100EL16S
DC ELECTRICAL CHARACTERISTICS
(1)
V
EE
= V
EE
(Min.) to V
EE
(Max.); V
CC
= GND
T
A =
–40
°
C
Symbol
I
EE
V
BB
I
IH
Parameter
Power Supply Current
Output Reference
Voltage
Input HIGH
Current
–D, D
–V
CTRL
Min.
—
-1.38
—
—
Typ.
—
—
—
—
Max.
22
-1.26
150
40
Min.
—
-1.38
—
—
T
A =
0
°
C
Typ.
—
—
—
—
Max.
22
-1.26
150
40
9
-1.38
—
—
T
A =
+25
°
C
Min.
Typ.
18
—
—
—
Max.
22
-1.26
150
40
9
-1.38
—
—
T
A =
+85
°
C
Min.
Typ.
21
—
—
—
Max. Unit
26
-1.26
150
40
mA
V
µA
NOTE:
1. Parametric values specified at:
100EL16S Series:
–4.5V to –5.5V.
AC ELECTRICAL CHARACTERISTICS
(1)
V
EE
= V
EE
(Min.) to V
EE
(Max.); V
CC
= GND
T
A =
–40
°
C
Symbol
t
PLH
t
PHL
t
skew
V
PP
V
CMR
V
OL
V
OL
V
OH
t
r
t
f
Parameter
Propagation
Delay to Output
D (Diff)
D (SE)
Min.
175
125
—
150
-1.3
Typ.
—
250
5
—
—
—
—
—
—
Max.
325
425
—
—
-0.4
Min.
175
125
—
150
-1.4
T
A =
0
°
C
Typ. Max.
—
250
5
—
—
—
—
—
—
325
375
20
—
-0.4
175
125
—
150
-1.4
T
A =
+25
°
C
Min.
Typ.
—
250
5
—
—
Max.
325
375
20
—
-0.4
205
125
—
150
-1.4
T
A =
+85
°
C
Min.
Typ.
—
280
5
—
—
—
—
—
—
Max. Unit
355
405
20
—
-0.4
-1680
-990
-880
350
ps
ps
mV
V
mV
mV
mV
ps
Duty Cycle Skew
(2)
(Diff)
Minimum Input Swing
(3)
Common Mode Range
(4)
Output LOW Voltage
(5)
-1890
V
CTRL
= V
BB
Output LOW Voltage
(5)
-1180
V
CTRL
= V
CC
Output HIGH Voltage
(6)
Output Rise/Fall Times Q
(20% to 80%)
-1085
—
-1620 -1870
-975
-880
350
-1135
-1025
—
-1680 -1870 -1775 -1680 -1870
-990
-880
350
-1135 -1065
-1025
—
-955
—
-990
-880
350
-1135
-1025
—
NOTES:
1. Parametric values specified at: 100EL16S Series: –4.5V to –5.5V.
2. Duty cycle skew is the difference between a t
PLH
and t
PHL
propagation delay through a device.
3. Minimum input swing for which AC parameters are guaranteed. The device has a DC gain of
≈40
when output has a full swing.
4. The CMR range is referenced to the most positive side of the differential input signal. Normal operation is obtained if the HIGH level falls within the specified
range and the peak-to-peak voltage lies between V
PP
min. and 1V. The lower end of the CMR range varies 1:1 with V
EE
. The numbers in the spec table
assume a nominal V
EE
= –3.3V. Note for PECL operation, the V
CMR
(min) will be fixed at 3.3V – |V
CMR
(min)|.
5. If V
CTRL
is Open Circuit, use the V
OH
(max. & min.) and V
OL
(V
CTRL
= V
BB
: max only) limits.
6. V
CC
≥
V
CTRL
≥
V
EE
PRODUCT ORDERING CODE
Ordering
Code
SY100EL16SKC
SY100EL16SZC
Package
Type
K8-1
Z8-1
Operating
Range
Commercial
Commercial
V
EE
Range
(V)
–4.5 to –5.5
–4.5 to –5.5
2
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