Micrel, Inc.
3.3V/5V 2.5GHz
PECL/ECL DIFFERENTIAL
RECEIVER/BUFFER
Precision Edge
SY89306/316V
Precision Edge
®
SY89306/316V
®
FEATURES
s
f
MAX
> 2.5GHz
s
Inputs (D, /D) include 75k
Ω
pull-down resistors
s
SY89306V: 100k EP compatible
s
SY89316V: 10k EP compatible
s
Industrial temperature range: –40
°
C to +85
°
C
s
Available in an ultra-small 8-pin (2mm
×
2mm) MLF
®
package
Precision Edge
®
DESCRIPTION
The SY89306V and SY89316V are a high-speed buffer/
receivers. The devices are functionally equivalent to the
10/100EP16 buffers, but feature a 70% smaller footprint.
The SY89306/316V includes a V
BB
reference for single-
ended AC-coupling applications. Whenever used, the V
BB
pin should be bypassed to ground via a 0.01µF capacitor.
V
BB
reference can only sink/source 0.5mA.
Under open input conditions (pulled to V
EE
), internal
input clamps will force the Q output LOW.
BLOCK DIAGRAM
D
/D
Q
/Q
A
V
40
V/V
FUNCTIONAL CROSS REFERENCE
Micrel Part Number
SY89306V
SY89316V
Logic
100kEP
10kEP
Functional Cross
100EP16V
10EP16V
Precision Edge is a registered trademark of Micrel, Inc.
MicroLeadFrame
and MLF are registered trademarks of Amkor Technology, Inc.
M9999-051006
hbwhelp@micrel.com or (408) 955-1690
Rev.: D
Amendment: /0
1
Issue Date: May 2006
Micrel, Inc.
Precision Edge
®
SY89306/316V
PACKAGE/ORDERING INFORMATION
Ordering Information
NC
D
/D
VBB
1
2
3
4
8
7
6
5
VCC
Q
/Q
VEE
Part Number
SY89306VMITR
SY89316VMITR
SY89306VMGTR
(1)
SY89316VMGTR
(1)
Note:
Package
Type
MLF-8
MLF-8
MLF-8
MLF-8
Operating
Range
Industrial
Industrial
Industrial
Industrial
Package
Marking
306
316
306 with
Pb-Free bar-line indicator
316 with
Pb-Free bar-line indicator
Lead
Finish
Sn-Pb
Sn-Pb
Pb-Free
NiPdAu
Pb-Free
NiPdAu
8-Pin MLF
®
Ultra-Small Outline
1. Pb-Free package is recommended for new designs.
PIN DESCRIPTION
SY89306V
Pin Number
2, 3
Pin Name
D, /D
Type
100k ECL Input
Pin Function
Differential PECL/ECL Input: The signal inputs include internal 75kΩ pull-
down resistors. If inputs are left open, Q output will default to LOW. See
“Input Interface Applications” section for single-ended inputs.
Differential PECL/ECL Output: Defaults to LOW if D inputs left open. See
“Output Interface Applications” section for recommendations on terminations.
Positive Power Supply: Bypass with 0.1µF//0.01µF low ESR capacitors.
Negative Power Supply: V
EE
and exposed pad must be tied to most
negative supply. For PECL/LVPECL connect to ground.
Bias Voltage: V
CC
–1.4V. Used as reference voltage when AC coupling to
the D, /D inputs. Max sink/source is
±0.5mA.
No connection.
7, 6
8
5
4
1
Q, /Q
VCC
VEE
Exposed Pad
VBB
NC
100k ECL Output
Positive Power
Supply
Negative Power
Supply
Reference Voltage
Output
SY89316V
Pin Number
2, 3
Pin Name
D, /D
Type
10k ECL Input
Pin Function
Differential PECL/ECL Input: The signal inputs include internal 75kΩ pull-down
resistors. If inputs are left open, Q output will default to LOW. See “Input
Interface Applications” section for single-ended inputs.
Differential PECL/ECL Output: Defaults to LOW if D inputs left open. See “Output
Interface Applications” section for recommendations on terminations.
Positive Power Supply: Bypass with 0.1µF//0.01µF low ESR capacitors.
Negative Power Supply: V
EE
and exposed pad must be tied to most
negative supply. For PECL/LVPECL connect to ground.
Bias Voltage: V
CC
–1.4V. Used as reference voltage when AC coupling to
the D, /D inputs. Max sink/source is
±0.5mA.
No connection.
7, 6
8
5
4
1
Q, /Q
VCC
VEE
Exposed Pad
VBB
NC
10k ECL Output
Positive Power
Supply
Negative Power
Supply
Reference Voltage
Output
M9999-051006
hbwhelp@micrel.com or (408) 955-1690
2
Micrel, Inc.
Precision Edge
®
SY89306/316V
Absolute Maximum Ratings
(1)
Power Supply Voltage (V
EE
) (V
CC
= 0V) .......... –6.0V to 0V
Power Supply Voltage (V
CC
) (V
EE
= 0V) .......... +6.0V to 0V
Input Voltage (V
IN
)
(V
CC
= 0V, V
IN
not more negative than V
EE
) –6.0V to 0V
(V
EE
= 0V, V
IN
not more negative than V
CC
) +6.0V to 0V
Output Current (I
OUT
)
Continuous ............................................................. 50mA
Surge .................................................................... 100mA
V
BB
Sink/Source Current (I
BB
) ................................
±0.5mA
Lead Temperature (soldering, 20 sec.) ..................... 260°C
Storage Temperature (T
S
) ....................... –65°C to +150°C
Operating Ratings
(2)
Power Supply Voltage (|V
CC
–V
EE
|) ................. 3.0V to 3.6V
................................................................ 4.5V to 5.5V
Ambient Temperature (T
A
) ......................... –40°C to +85°C
Package Thermal Resistance
(3)
MLF
®
(θ
JA
)
Still-Air ............................................................. 93°C/W
500lfpm ............................................................ 87°C/W
MLF
®
(ψ
JB
) .......................................................... 60°C/W
SY89306V (100K ECL) DC ELECTRICAL CHARACTERISTICS
V
CC
= +3.3V±10% or +5V±10% and V
EE
= 0V; V
CC
= 0V and V
EE
= –3.3V±10% or –5V±10%; T
A
= –40°C to +85°C, unless otherwise noted.
Symbol
I
EE
V
OH
V
OL
V
IH
V
IL
V
IHCMR
V
BB
I
IH
I
IL
Parameter
Power Supply Current
Output HIGH Voltage
Output LOW Voltage
Input HIGH Voltage
Input LOW Voltage
Input HIGH Voltage
Common Mode Range
Bias Voltage
Input HIGH Current
Input LOW Current
Note 6
Note 4, 5
Note 4, 5
V
CC
–1.085
V
CC
–1.830
V
CC
–1.165
V
CC
–1.810
V
EE
+2.0
V
CC
–1.38
—
0.5
—
—
—
—
—
—
—
—
Condition
Min
Typ
Max
48
V
CC
–0.880
V
CC
–1.555
V
CC
–0.880
V
CC
–1.475
V
CC
–0.4
V
CC
–1.26
150
—
Units
mA
V
V
V
V
V
V
µA
µA
Notes:
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. The data sheet limits are not guaranteed if the device is operated beyond the operating ratings.
3. Package Thermal Resistance values assumes exposed pad is soldered (or equivalent) to the device's most negative potential on the PCB.
4. Output loaded with 50Ω to V
CC
–2V.
5. V
IN
= V
IL
(min) or V
IH
(max)
6. V
IHCMR
(Min) varies 1:1 with V
EE
, (max) varies 1:1 with V
CC
.
M9999-051006
hbwhelp@micrel.com or (408) 955-1690
3
Micrel, Inc.
Precision Edge
®
SY89306/316V
SY89316V (10K ECL) DC ELECTRICAL CHARACTERISTICS
V
CC
= +3.3V
±10%
or +5V
±10%
and V
EE
= 0V; V
CC
= 0V and V
EE
= –3.3V
±10%
or –5V
±10%;
T
A
= –40°C to +85°C, unless otherwise noted.
Symbol
I
EE
V
OH
V
OL
V
IH
V
IL
V
IHCMR
V
BB
I
IH
I
IL
Parameter
Power Supply Current
Output HIGH Voltage
Output LOW Voltage
Input HIGH Voltage
Input LOW Voltage
Input HIGH Voltage
Common Mode Range
Bias Voltage
Input HIGH Current
Input LOW Current
Note 6
Note 4, 5
Note 4, 5
V
CC
–1.08
V
CC
–1.95
V
CC
–1.23
V
CC
–1.95
V
EE
+2.0
V
CC
–1.43
—
0.5
—
—
—
—
—
—
—
—
Condition
Min
Typ
Max
48
V
CC
–0.72
V
CC
–1.595
V
CC
–0.72
V
CC
–1.445
V
CC
–0.4
V
CC
–1.19
150
—
Units
mA
V
V
V
V
V
V
µA
µA
Notes:
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. The data sheet limits are not guaranteed if the device is operated beyond the operating ratings.
3. Package Thermal Resistance values assumes exposed pad is soldered (or equivalent) to the device's most negative potential on the PCB.
4. Output loaded with 50Ω to V
CC
–2V.
5. V
IN
= V
IL
(min) or V
IH
(max)
6. V
IHCMR
(Min) varies 1:1 with V
EE
, (max) varies 1:1 with V
CC
.
AC ELECTRICAL CHARACTERISTICS
V
CC
= +3.3V
±10%
or +5V
±10%
and V
EE
= 0V; V
CC
= 0V and V
EE
= –3.3V
±10%
or –5V
±10%;
R
L
= 50Ω to V
CC
–2V;
T
A
= –40°C to +85°C, unless noted.
Symbol
f
MAX
t
PLH
t
PHL
t
SKEW
t
r
,t
f
Parameter
Maximum Input Frequency
Propagation Delay
(Differential)
Duty-Cycle Skew
Output Rise/Fall Times
(20% to 80%)
Condition
Note 7
D to Q, /Q;
Note 8
Note 9
Q, /Q
60
Min
2.5
100
8
110
300
30
180
Typ
Max
Units
GHz
ps
ps
ps
Notes:
7.
f
MAX
guaranteed for functionality only, V
OUT
≥
400mV. V
OL
and V
OH
levels are guaranteed at DC only.
8.
V
IN
= 800mV.
9.
Duty-cycle skew is the difference between the t
PLH
and t
PHL
propagation delay.
M9999-051006
hbwhelp@micrel.com or (408) 955-1690
4
Micrel, Inc.
Precision Edge
®
SY89306/316V
INPUT INTERFACE APPLICATIONS
D
SY89306/316V
V
CC
/D
0.01µF
V
BB
Figure 1. Single-Ended LVPECL Input
(Terminating Unused Input)
LVPECL OUTPUT INTERFACE APPLICATIONS
V
CC
V
CC
V
CC
R1
Z
O
= 50Ω
Z
O
= 50Ω
V
CC
—2V R2
V
CC
= 3.3V; R1 = 130Ω, R2 = 82Ω
V
CC
= 5V; R1 = 83Ω, R2 = 125Ω
Z
O
= 50Ω
Z
O
= 50Ω
50Ω
50Ω
V
CC
R1
V
CC
V
CC
R2
V
CC
= 3.3V; Rpd = 50Ω
V
CC
= 5V; Rpd = 100Ω
V
CC
–2V
R
pd
C (Optional)
0.01µF
Figure 2a. Parallel Thevenin-Equivalent
Termination
V
CC
V
CC
V
CC
R1
R1
Z
O
= 50Ω
V
CC
—2V
R3
Figure 2b. Three Resistor
“Y Termination”
V
CC
R2
R2
R4
V
CC
—1.3V
V
CC
= 3.3V; R1 = 130Ω, R2 = 82Ω, R3 = 1kΩ, R4 = 1.6kΩ,
V
CC
= 5V; R1 = 83Ω, R2 = 125Ω, R3 = 1kΩ, R4 = 2.8kΩ,
Figure 2c. Terminating Unused I/O
RELATED PRODUCT AND SUPPORT DOCUMENTATION
Part Number
SY89206/216V
SY89223L
HBW Solutions
Function
3.3V/5V 1GHz Differential PECL/ECL
Receiver/Buffer
3.3V Dual Differential LVPECL-to-LVTTL
Translator
New Products and Applications
Data Sheet Link
www.micrel.com/product-info/products/sy89206-216v.shtml
www.micrel.com/product-info/products/sy89223l.shtml
www.micrel.com/product-info/products/solutions.shtml
M9999-051006
hbwhelp@micrel.com or (408) 955-1690
5
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