differential PECL/ECL 4:1 multiplexer in a 20-pin TSSOP
package. This device is a pin-for-pin, plug-in replacement
to the MC10/100EP57DT. The signal-path inputs (D0:D3)
accept differential signals as low as 150mVpk-pk. All I/O
pins are 100K EP PECL/ECL logic compatible.
AC–performance is guaranteed over the industrial –40°C
to +85°C temperature range and 3.0V to 5.5V supply voltage
range. This device will operate in PECL/LVPECL or ECL/
LVECL mode. The SY100EP57 propagation delay is less
than 520ps, and the Select-to-valid output delay is less
than 575ps over temperature and voltage. For clock
applications, the high-speed design combined with an
extremely fast rise/fall time of less than 220ps produces a
toggle frequency as high as 3GHz (400mVpk-pk swing).
Two V
BB
output reference pins (approx equal to V
CC
–1.4V)
are available for AC–coupled or single-ended applications.
The SY100EP57V is part of Micrel’s high-speed, Precision
Edge timing and distribution family. For applications that
require a different I/O combination, consult the Micrel website
at www.micrel.com, and choose from a comprehensive
product line of high-speed, low skew fanout buffers,
translators, and clock dividers.
CROSS REFERENCE TABLE
Micrel Semiconductor
SY100EP57VK4I
SY100EP57VK4ITR
ON Semiconductor
MC100EP57DT
MC100EP57DTR2
ECL Pro is a trademark of Micrel, Inc.
M9999-120505
hbwhelp@micrel.com or (408) 955-1690
Rev.: D
Amendment: /0
1
Issue Date: December 2005
Micrel, Inc.
ECL Pro™
SY100EP57V
PACKAGE/ORDERING INFORMATION
Ordering Information
(1)
VCC 1
D0 2
/D0 3
D1 4
/D1 5
4:1
D2 6
/D2 7
D3 8
/D3 9
VEE 10
20 VCC
19 SEL1
18 SEL0
17 VCC
16 Q
15 /Q
14 VCC
13 VBB1
12 VBB2
11 VEE
Part Number
SY100EP57VK4I
SY100EP57VK4ITR
(2)
SY100EP57VK4G
(3)
Package
Type
K4-20-1
K4-20-1
K4-20-1
Operating
Range
Industrial
Industrial
Industrial
Industrial
Package
Marking
XEP57V
XEP57V
Lead
Finish
Sn-Pb
Sn-Pb
XEP57V with
Pb-Free
Pb-Free bar-line indicator NiPdAu
XEP57V with
Pb-Free
Pb-Free bar-line indicator NiPdAu
SY100EP57VK4GTR
(2, 3)
K4-20-1
Notes:
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 TSSOP (K4-20-1)
PIN DESCRIPTION
Pin
D0: D3
/D0: /D3
Pin Number
2, 4, 6, 8
3, 5, 7, 9
Function
Input Channels 0-3 PECL/ECL differential signal inputs. Multiplexing of these 4 differential inputs
is controlled by SEL0, SEL1. The signal inputs include internal 75kΩ pull-down resistors. Default
condition is LOW when left floating. The input signal should be terminated externally.
See “Termination” section
Negative Power Supply: For PECL/LVPECL applications, connect to Ground. Both V
EE
pins must
be connected together, externally on the PCB, for proper operation.
Reference output voltage. This reference is typically used to bias the unused inverting input for
single-ended input applications, or as the termination point for AC–coupled differential input
applications. V
BB
reference value is approximately V
CC
–1.4V, and tracks V
CC
1:1. Maximum sink/
source capability for each V
BB
reference pin is 0.50mA. For single ended PECL inputs, connect to
the unused input through a 50Ω resistor. Decouple the V
BB
pin with a 0.01µF capacitor. For PECL/
LVPECL inputs, the decoupling capacitor is connected to V
CC
, since PECL signals are referenced
to V
CC
. Leave floating if not used.
100KEP PECL/ECL compatible differential output. PECL/ECL termination is with a 50Ω
resistor to V
CC
–2V. Unused single-ended outputs must have a balanced load. For AC–coupled
applications, the output stage emitter follower must have a DC current path to ground.
See “Termination” section.
100KEP PECL/ECL compatible 4:1 MUX select control. See “MUX
Select Truth Table.”
Each pin
includes an internal 75kΩ pull-down resistor. Default condition when left floating is LOW.
Positive Power Supply. All V
CC
pins must be connected to the same power supply externally.
Bypass with 0.1µF//0.01µF low ESR capacitors.
VEE
VBB1, VBB2
10, 11
13, 12
/Q, Q
15, 16
SEL0, SEL1
VCC
18, 19
1, 14, 17, 20
MUX SELECT TRUTH TABLE
SEL1
L
L
H
H
SEL0
L
H
L
H
DATA OUT
D0, /D0
D1, /D1
D2, /D2
D3, /D3
M9999-120505
hbwhelp@micrel.com or (408) 955-1690
2
Micrel, Inc.
ECL Pro™
SY100EP57V
ABSOLUTE MAXIMUM RATINGS
(1)
Symbol
V
CC
— V
EE
V
IN
I
OUT
I
BB
T
LEAD
T
A
T
store
θ
JA
Power Supply Voltage
Input Voltage (V
CC
= 0V, V
IN
not more negative than V
EE
)
Input Voltage (V
EE
= 0V, V
IN
not more positive than V
CC
)
Output Current
V
BB
Sink/Source Current
(2)
Lead Temperature (soldering, 20sec.)
Operating Temperature Range
Storage Temperature Range
Package Thermal Resistance
(Junction-to-Ambient)
Package Thermal Resistance
(Junction-to-Case)
–Still-Air (single-layer PCB)
–Still-Air (multi-layer PCB)
–500lfpm (multi-layer PCB)
–Continuous
–Surge
Rating
Value
6.0
–6.0 to 0
+6.0 to 0
50
100
±0.5
+260
–40 to +85
–65 to +150
115
75
65
21
Unit
V
V
V
mA
mA
°C
°C
°C
°C/W
θ
JC
Notes:
°C/W
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.
2. Due to the limited drive capability, the V
BB
reference should only be used for inputs from the same package device (i.e., do not sue for other
devices).
DC ELECTRICAL CHARACTERISTICS
(1)
T
A
= –40
°
C
Symbol
V
CC
Parameter
Power Supply Voltage
(PECL)
(LVPECL)
(ECL)
(LVECL)
Supply Current
Input HIGH Current
Input LOW Current
All Inputs
C
IN
Note:
1. 100KEP circuits are designed to meet the DC specifications shown in the above table after thermal equilibrium has been established. The circuit is in
a test socket or mounted on a printed circuit board and traverse airflow greater than 500lfpm is maintained.
T
A
= +25
°
C
Min.
4.5
3.0
–5.5
–3.8
—
—
0.5
—
Typ.
5.0
—
–5.0
–3.3
35
—
—
1.0
Max.
5.5
3.8
–4.5
–3.0
50
75
—
—
Min.
4.5
3.0
–5.5
–3.8
—
—
0.5
—
T
A
= +85
°
C
Typ.
5.0
—
–5.0
–3.3
35
—
—
—
Max.
5.5
3.8
–4.5
–3.0
50
80
—
—
mA
µA
µA
pF
No Load
V
IN
= V
IH
V
IN
= V
IL
Unit
V
Condition
Min.
4.5
3.0
–5.5
–3.8
—
—
0.5
—
Typ.
5.0
—
–5.0
–3.3
35
—
—
—
Max.
5.5
3.8
–4.5
–3.0
50
75
—
—
I
EE
I
IH
I
IL
Input Capacitance (TSSOP)
M9999-120505
hbwhelp@micrel.com or (408) 955-1690
3
Micrel, Inc.
ECL Pro™
SY100EP57V
(100KEP) LVPECL DC ELECTRICAL CHARACTERISTICS
(1)
V
CC
= 3.3V
±10%,
V
EE
= 0V
T
A
= –40
°
C
Symbol
V
IL
V
IH
V
OL
V
OH
V
BB
V
IHCMR
Notes:
1. 100KEP circuits are designed to meet the DC specifications shown in the above table after thermal equilibrium has been established. The circuit is in
a test socket or mounted on a printed circuit board and traverse airflow greater than 500lfpm is maintained. Input and output parameters are at V
CC
=
3.3V. They vary 1:1 with V
CC
.
2. The V
IHCMR
range is referenced to the most positive side of the differential input signal.
T
A
= +25
°
C
Max.
1675
2420
1605
2405
1975
V
CC
Min.
1355
2075
1355
2155
1775
2.0
Typ.
—
—
1480
2280
1875
—
Max.
1675
2420
1605
2405
1975
V
CC
Min.
1355
2075
1355
2155
1775
2.0
T
A
= +85
°
C
Typ.
—
—
1480
2280
1875
—
Max.
1675
2420
1605
2405
1975
V
CC
Unit
mV
mV
mV
50Ω to V
CC
–2V
mV
50Ω to V
CC
–2V
mV
V
Condition
Parameter
Input LOW Voltage
(Single-Ended)
Input HIGH Voltage
(Single-Ended)
Outuput LOW Voltage
Output HIGH Voltage
Output Reference Voltage
Input HIGH Voltage
(2)
Common Mode Range
Min.
1355
2075
1355
2155
1775
2.0
Typ.
—
—
1480
2280
1875
—
(100KEP) PECL DC ELECTRICAL CHARACTERISTICS
(1)
V
CC
= 5.0V
±10%,
V
EE
= 0V
T
A
= –40
°
C
Symbol
V
IL
V
IH
V
OL
V
OH
V
BB
V
IHCMR
Notes:
1. 100KEP circuits are designed to meet the DC specifications shown in the above table after thermal equilibrium has been established. The circuit is in
a test socket or mounted on a printed circuit board and traverse airflow greater than 500lfpm is maintained. Input and output parameters are at V
CC
=
3.3V. They vary 1:1 with V
CC
.
2. The V
IHCMR
range is referenced to the most positive side of the differential input signal.
T
A
= +25
°
C
Max.
3375
4120
3305
4105
3675
V
CC
Min.
3055
3775
3055
3855
3475
2.0
Typ.
—
—
3180
3980
3575
—
Max.
3375
4120
3305
4105
3675
V
CC
Min.
3055
3775
3055
3855
3475
2.0
T
A
= +85
°
C
Typ.
—
—
3180
3980
3575
—
Max.
3375
4120
3305
4105
3675
V
CC
Unit
mV
mV
mV
50Ω to V
CC
–2V
mV
50Ω to V
CC
–2V
mV
V
Condition
Parameter
Input LOW Voltage
(Single-Ended)
Input HIGH Voltage
(Single-Ended)
Outuput LOW Voltage
Output HIGH Voltage
Output Reference Voltage
Input HIGH Voltage
(2)
Common Mode Range
Min.
3055
3775
3055
3855
3475
2.0
Typ.
—
—
3180
3980
3575
—
M9999-120505
hbwhelp@micrel.com or (408) 955-1690
4
Micrel, Inc.
ECL Pro™
SY100EP57V
(100KEP) ECL/LVECL DC ELECTRICAL CHARACTERISTICS
(1)
V
CC
= 0V, V
EE
= –5.5V to –3.0V
T
A
= –40
°
C
Symbol
V
IL
V
IH
V
OL
V
OH
V
BB
V
IHCMR
Notes:
1. 100KEP circuits are designed to meet the DC specifications shown in the above table after thermal equilibrium has been established. The circuit is in
a test socket or mounted on a printed circuit board and traverse airflow greater than 500lfpm is maintained. Input and output parameters are at V
CC
=
3.3V. They vary 1:1 with V
CC
.
2. The V
IHCMR
range is referenced to the most positive side of the differential input signal.
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