LVPECL translator. The device can translate over all
combinations of supply voltages: -5V ECL to 5V PECL,
-5V ECL to 3.3V LVPECL, -3.3V LVECL to 5V PECL or
-3.3V LVECL to 3.3V LVPECL.
A V
BB
output is provided for interfacing with single
ended ECL signals at the input. If a single ended input is
to be used, the V
BB
output should be connected to the D
input. The active signal would then drive the D input.
When used, the V
BB
output should be bypassed to via a
0.01µF capacitor. The V
BB
output is designed to act as
the switching reference for the EL90V under single ended
input switching conditions. As a result this pin can only
source/sink up to 0.5mA of current.
To accomplish the level translation the EL90V requires
three power rails. The V
CC
supply should be connected
to the positive supply, and the V
EE
pin should be
connected to the negative power supply. The GND pins
as expected are connected to the system ground plane.
Both V
EE
and V
CC
should be bypassed to ground via
0.01µF capacitors.
Under open input conditions, the D input will be biased
at V
CC
/2 and the D input will be pulled to V
EE
. This
condition will force the Q output to a LOW, ensuring
stability.
FUNCTION TABLE
Function
–5V ECL to 5V PECL
–5V ECL to 3.3V LVPECL
–3.3V LVECL to 5V PECL
–3.3V LVECL to 3.3V LVPECL
V
CC
5V
3.3V
5V
3.3V
GND
0V
0V
0V
0V
V
EE
–5V
–5V
–3.3V
–3.3V
PIN NAMES
Pin
Dn
Q
n
V
BB
Function
ECL/LVECL Inputs
PECL/LVPECL Outputs
ECL/LVECL Reference Voltage Output
M9999-031306
hbwhelp@micrel.com or (408) 955-1690
Rev.: I
Amendment: /0
March 2006
1
1
Isse Date:
Micrel, Inc.
SY100EL90V
PACKAGE/ORDERING INFORMATION
Ordering Information
(1)
V
CC
1
ECL
20
V
CC
19
18
17
16
15
14
13
12
11
Part Number
SY100EL90VZC
SY100EL90VZCTR
(2)
SY100EL90VZI
SY100EL90VZITR
(2)
SY100EL90VZG
(3)
SY100EL90VZGTR
(2, 3)
Notes:
Package
Type
Z20-1
Z20-1
Z20-1
Z20-1
Z20-1
Z20-1
Operating
Range
Commercial
Commercial
Industrial
Industrial
Industiral
Industrial
Package
Marking
SY100EL90VZC
SY100EL90VZC
SY100EL90VZI
SY100EL90VZI
Lead
Finish
Sn-Pb
Sn-Pb
Sn-Pb
Sn-Pb
PECL
D
0
2
D
0
3
V
BB
4
ECL
PECL
Q
0
Q
0
GND
Q
1
Q
1
GND
Q
2
Q
2
V
CC
D
1
5
D
1
6
V
BB
7
SY100EL90VZG with
NiPdAu
Pb-Free bar-line indicator Pb-Free
SY100EL90VZG with
NiPdAu
Pb-Free bar-line indicator Pb-Free
PECL
ECL
D
2
8
D
2
9
V
EE
10
1. Contact factory for die availability. Dice are guaranteed at T
A
= 25°C, DC Electricals only.
2. Tape and Reel.
3. Pb-Free package is recommended for new designs.
20-Pin Wide SOIC (Z20-1)
M9999-031306
hbwhelp@micrel.com or (408) 955-1690
2
Micrel, Inc.
SY100EL90V
ECL/LVECL INPUT DC ELECTRICAL CHARACTERISTICS
ECL: V
EE
= –4.2V to –5.5V; LVECL: V
EE
= –3.0V to –3.8V
T
A
= –40
°
C
Symbol
V
IH
V
IL
I
EE
I
IH
I
IL
V
BB
V
PP
Parameter
Input HIGH Voltage
Input LOW Voltage
Power Supply Current
Input HIGH Current
Input LOW Current Dn
Dn
Output Reference
Minimum Peak-to-Peak
Input
Min.
–1165
–1810
—
—
0.5
–600
–1.38
150
Typ.
—
—
—
—
—
—
—
—
Max.
Min.
T
A
= 0
°
C
Typ.
—
—
—
—
—
—
—
—
Max.
T
A
= +25
°
C
Min.
Typ.
—
—
—
—
—
—
—
—
Max.
–880 –1165
–1475 –1810
8
150
—
—
—
—
0.5
–600
T
A
= +85
°
C
Min.
Typ.
—
—
—
—
—
—
—
—
Max.
–880
–1475
8
150
—
—
–1.26
—
Unit
mV
mV
mA
µA
µA
V
mV
–880 –1165
–1475 –1810
8
150
—
—
—
—
0.5
–600
–880 –1165
–1475 –1810
8
150
—
—
—
—
0.5
–600
–1.26 –1.38
—
150
–1.26 –1.38
—
150
–1.26 –1.38
—
150
LVPECL OUTPUT DC ELECTRICAL CHARACTERISTICS
V
CC
= +3.0V to +3.8V
T
A
= –40
°
C
Symbol
Parameter
Output LOW Voltage
(1)
Power Supply Current
Min.
Typ.
—
—
—
Max.
Min.
T
A
= 0
°
C
Typ.
—
—
—
Max.
Min.
T
A
= +25
°
C
Typ.
Max.
T
A
= +85
°
C
Min.
2.275
1.490
—
Typ.
—
—
—
Max.
2.420
1.680
26
Unit
V
V
mA
V
OH
V
OL
I
CC
Output HIGH Voltage
(1)
2.215
1.470
—
2.420 2.275
1.745 1.490
24
—
2.420 2.275 2.350 2.420
1.680 1.490 1.600 1.680
24
—
20
24
Note:
1. These levels are for V
CC
= 3.3V. Level specifications will vary 1:1 with V
CC
.
PECL OUTPUT DC ELECTRICAL CHARACTERISTICS
V
CC
= +4.2V to +5.5V
T
A
= –40
°
C
Symbol
Parameter
Output LOW Voltage
(1)
Power Supply Current
Min.
Typ.
—
—
—
Max.
Min.
T
A
= 0
°
C
Typ.
—
—
—
Max.
T
A
= +25
°
C
Min.
Typ.
Max.
T
A
= +85
°
C
Min.
3.975
3.190
—
Typ.
—
—
—
Max.
4.120
3.380
26
Unit
V
V
mA
V
OH
V
OL
I
CC
Output HIGH Voltage
(1)
3.915
3.170
—
4.120 3.975
3.445 3.190
24
—
4.120 3.975 4.050 4.120
3.380 3.190 3.300 3.380
24
—
20
24
Note:
1. These values are for V
CC
= 5V. Level specifications will vary 1:1 with V
CC.
M9999-031306
hbwhelp@micrel.com or (408) 955-1690
3
Micrel, Inc.
SY100EL90V
AC ELECTRICAL CHARACTERISTICS
ECL: V
EE
= –4.2V to –5.5V; LVECL: V
EE
= –3.0V to –3.8V; PECL: V
CC
= +4.2V to +5.5V; LVPECL: V
CC
= +3.0V to +3.8V
T
A
= –40
°
C
Symbol
t
PD
t
skew
Parameter
Propagation Delay
D to Q
Diff.
S.E.
Min.
390
340
—
—
—
150
—
230
Typ.
—
—
20
—
25
—
—
—
Max.
590
640
100
200
—
—
–0.4
500
Min.
410
360
—
—
—
150
—
230
T
A
= 0
°
C
Typ.
—
—
20
—
25
—
—
—
Max.
610
660
100
200
—
—
–0.4
500
T
A
= +25
°
C
Min.
420
370
—
—
—
150
—
230
Typ.
—
—
20
—
25
—
—
—
Max.
620
670
100
200
—
—
–0.4
500
T
A
= +85
°
C
Min.
460
410
—
—
—
150
—
230
Typ.
—
—
20
—
25
—
—
—
Max. Unit
660
710
100
200
—
—
–0.4
500
ps
Within-Device Skew
(1)
Output-to-Output
Part-to-Part (Diff.)
Duty Cycle (Diff.)
Minimum Input Swing
(2)
Common Mode Range
(3)
Output Rise/Fall Times Q
(20% to 80%)
ps
V
PP
V
CMR
t
r
t
f
mV
V
ps
Notes:
1. Skew is measured between outputs under identical transitions.
2. Minimum input swing for which AC parameters are guaranteed. The device will function reliably with differential inputs down to 100mV.
3. 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. V
CMR
min. depends on V
EE
, V
PP
and temperature at V
PP
<500mV and –40˚C, V
CMR
is V
EE
+1.3V; and for 0–85˚C, V
CMR
is V
EE
+1.2V. At V
PP
≥
500mV and –40˚C, V
CMR
is V
EE
+1.5V; and for 0–85˚C, V
CMR
is V
EE
+1.4V.
M9999-031306
hbwhelp@micrel.com or (408) 955-1690
4
Micrel, Inc.
SY100EL90V
20-PIN SOIC .300" WIDE (Z20-1)
Rev. 03
MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131
TEL
USA
+ 1 (408) 944-0800
FAX
+ 1 (408) 474-1000
WEB
http://www.micrel.com
The information furnished by Micrel in this datasheet is believed to be accurate and reliable. However, no responsibility is assumed by Micrel for its use.
Micrel reserves the right to change circuitry and specifications at any time without notification to the customer.
Micrel Products are not designed or authorized for use as components in life support appliances, devices or systems where malfunction of a product can
reasonably be expected to result in personal injury. Life support devices or systems are devices or systems that (a) are intended for surgical implant into
the body or (b) support or sustain life, and whose failure to perform can be reasonably expected to result in a significant injury to the user. A Purchaser’s
use or sale of Micrel Products for use in life support appliances, devices or systems is at Purchaser’s own risk and Purchaser agrees to fully indemnify
Micrel for any damages resulting from such use or sale.
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