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PDF SY55851 Data sheet ( Hoja de datos )
| Número de pieza | SY55851 | |
| Descripción | 3GHz Anygate | |
| Fabricantes | Micrel Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SY55851 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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2.5V/3V, 3.0GHz
CML AnyGate™ANY LOGIC
w/50Ω or 100Ω OUTPUTS
SuperLite™
SY55851
SY55851A
FINAL
FEATURES
DESCRIPTION
s Guaranteed AC parameters over temperature:
The SY55851 and SY55851A are highly flexible,
• fMAX > 3.0GHz (SY55851A)
• tr / tf < 100ps
• Propagation delay < 280ps
s Guaranteed operation over –40°C to +85°C
temperature range
s Wide supply voltage range: 2.3V to 3.6V
universal logic gates capable of up to 3.0GHz operation
(SY55851A). These AnyGate differential logic devices
will produce all possible logic functions of two Boolean
variables. They can be configured as any of the following
gates: AND, NAND, OR, NOR, XOR, XNOR, DELAY,
NEGATION (NOT). The SY55851 and SY55851A can
also function as a 2-input multiplexer.
s Single IC provides 8 logic functions
The SY55851 has an output stage optimized for 100Ω
s 2:1 MUX capability
s Fully differential I/O
s Source terminated CML outputs for fast edge rates:
• SY55851 for 100Ω load
loads, and the SY55851A is optimized for 50Ω loads.
The differential inputs for both devices are normally
terminated with a single resistor (100Ω) between the true
and complement pins.
• SY55851A for 50Ω load
s Guaranteed matched propagation delays:
APPLICATIONS
• Select (S)-to-out: < 280ps
s Port bypass
• Input (A and B)-to-out: < 280ps
s Data communication systems
s Accepts PECL, LVPECL, CML input signals
s Wireless communication systems
s Functions as a PECL/LVPECL-to-CML translator
s Telecom systems
s Available in a 10-pin (3mm × 3mm) MSOP package
www.DataSheet4U.com
PIN CONFIGURATION
FUNCTIONAL BLOCK DIAGRAM
S1
/S 2
A3
/A 4
GND 5
MSOP
10 VCC
9 /B
8B
7Q
6 /Q
SY55851 and SY55851A
AnyGate and SuperLite are trademarks of Micrel, Inc.
2
S
2
A 0S
2
Q
2
B1
PIN NAMES
Pin
A, /A
B, /B
Q, /Q
S, /S
GND
VCC
Function
CML, PECL, LVPECL Input
CML, PECL, LVPECL Input
Differential CML Output
CML, PECL, LVPECL Input Selector
Ground
VCC
Rev.: A Amendment: /2
1 Issue Date: October 2001
1 page  
Micrel
ABSOLUTE MAXIMUM RATINGS(1)
SuperLite™
SY55851
SY55851A
Symbol
VCC
VIN
VOUT
TA
Tstore
θJA
θJC
Rating
Power Supply Voltage
Input Voltage
CML Output Voltage
Operating Temperature Range
Storage Temperature Range
Package Thermal Resistance
(Junction-to-Ambient)
–Still-Air (multi-layer PCB)
–500lfpm (multi-layer PCB)
Package Thermal Resistance
(Junction-to-Case)
Value
–0.5 to +6.0
–0.5 to VCC +0.5
VCC –1.0 to VCC +0.5
–40 to +85
–65 to +150
113
96
42
Unit
V
V
V
°C
°C
°C/W
°C/W
°C/W
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.
DC ELECTRICAL CHARACTERISTICS
TA = –40°C to +85°C(1)
Symbol
Parameter
Min.
VCC Power Supply Voltage
ICC Power Supply Current
SY55851
SY55851A
2.3
—
—
Typ.
—
—
46
Max.
3.6
40
60
Unit
V
mA
mA
Condition
No Load
No Load
CML DC ELECTRICAL CHARACTERISTICS
VCC = 2.3V to 3.6V; GND = 0V; TA = –40°C to +85°C(1)
Symbol
Parameter
Min.
Typ.
Max.
Unit
Condition
VID
VIH
VIL
VOH
VOL
VOUT
ROUT
Differential Input Voltage
Input HIGH Voltage
Input LOW Voltage
Output HIGH Voltage
Output LOW Voltage
Output Voltage Swing(2)
SY55851
SY55851A
Output Source Impedance
SY55851
SY55851A
100
1.6
1.5
VCC – 0.040
VCC – 1.00
0.650
—
—
—
80
40
—
—
—
VCC – 0.010
VCC – 0.800
0.800
0.400
0.200
0.400
100
50
—
VCC
VCC – 0.1
VCC
VCC – 0.65
1.00
—
—
—
120
60
mV
V
V
V No Load
V No Load
V No Load
V 100Ω Load(3)
V 50Ω Load(4) (SY55851)
V 50Ω Load(5) (SY55851A)
Ω
Ω
NOTES:
1. The DC parameters are guaranteed after thermal equilibrium has been established.
2. Actual voltage levels and differential swing will depend on customer termination scheme. Refer to the “CML Termination” diagram for more details.
3. Applies to SY55851: 200Ω termination resistor across Q and /Q. See Figure 3a.
4. Applies to the SY55851. See Figure 3c.
5. Applies to the SY55851A: 100Ω termination resistor across Q and /Q. See Figure 3b.
5
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| PDF Descargar | [ Datasheet SY55851.PDF ] | |
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