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PDF SY100EL16VO Data sheet ( Hoja de datos )
| Número de pieza | SY100EL16VO | |
| Descripción | DUAL SUPPLY OCTAL ECL-TO-TTL | |
| Fabricantes | Micrel Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SY100EL16VO (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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3.3V/5V 800MHz
PRECISION PECL AMPLIFIER
WITH LOW GAIN FEEDBACK
SY100EL16VO
FINAL
FEATURES
s 3.3V and 5V ±10% power supply options
s Guaranteed AC parameters over temperature:
• fMAX = 800MHz
• < 200ps differential propagation delay (D to QFB)
• < 730ps differential propagation delay (D to QHG)
• < 250ps tr / tf
s Low gain feedback path QFB = +10V/V
s Output enable
s VBB reference output voltage
s Wide temperature range: –40°C to +85°C
s Available in 10-pin (3×3mm) MSOP
DESCRIPTION
The SY100EL16VO is a differential receiver amplifier
optimized for crystal oscillator applications. The device includes
an additional low gain (+10V/V) output stage (QFB) ideal for
feedback applications common in crystal oscillator gain blocks.
The SY100EL16VO is fully differential, with a bandwidth
> 800MHz over temperature and voltage. For applications that
require output disable control, an Enable pin (/EN) will force
the differential output into a fixed logic state. The
SY100EL16VO also includes a VBB reference voltage for
single-ended or AC-coupled applications.
The SY100EL16VO PECL logic is 100k ECL compatible.
Operation is guaranteed over the –40°C to +85°C temperature
range and 3.3V to 5V nominal supply voltage range.
PIN CONFIGURATION
TRUTH TABLE
QFB 1
/QFB 2
D3
/D 4
VBB 5
10 VCC
9 QHG
8 /QHG
7 VEE
6 /EN
/EN
0
1
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PIN NAMES
QHG Out
Data
Logic Low
/QHG Out
/Data
Logic High
BLOCK DIAGRAM
QFB
/QFB
D
/D
VBB
/EN
LEN Q
LATCH
D
VCC
QHG
/QHG
VEE
Pin Function
QFB, /QFB Differential clock outputs for feedback path:
Nominal DC gain +10.
D, /D
PECL, LVPECL, ECL, LVECL differential inputs:
Internal 75kΩ pull-down resistor.
VBB VCC –1.32V reference voltage for single-ended
inputs: It provides the switching reference for the
input differential amplifier. When unused, it can be
left open. For single-ended PECL applications
connect VBB to /D input, and bypass with a 0.01µF
capacitor to VCC.
/EN Enable: PECL compatible input control with internal
75kΩ pull-down resistor. It controls the high-gain
output (QHG). When HIGH, QHG is low and /QHG is
high. /EN is synchronous so that the outputs will only
be enabled/disabled when they are in the LOW state.
VEE Negative power supply: For ECL/LVECL operation,
connect to negative supply. For PECL/ LVPECL
operation, connect to GND.
QHG, /QHG Differential high-gain outputs: Nominal DC gain is
greater than +200.
VCC Positive power supply: For ECL/LVECL operation,
connect to VCC = 0V. For PECL/ LVPECL operation,
connect to either 3.3V or 5.0V. Bypass with 0.1µF//
0.01µF low ESR capacitors.
Rev.: C Amendment: /0
1 Issue Date: February 2003
1 page  
Micrel
TERMINATION RECOMMENDATIONS
+3.3V
+3.3V
R1
ZO = 50Ω 130Ω
ZO = 50Ω
R2
82Ω
R1
130Ω +3.3V
R2
82Ω Vt = VCC-2V
NOTES:
1. For +5V systems:
R1 = 82Ω
R2 = 130Ω
Figure 3. Parallel Termination–Thevenin Equivalent
+3.3V
source
Z = 50Ω
+3.3V
Z = 50Ω
50Ω
46Ω to 49Ω
50Ω
destination
Rb*
C1
0.01µF
(optional)
* For +5V, Rb = 110Ω
For +3.3V, Rb = 46Ω to 49Ω
Figure 4. Three-Resistor “Y–Termination”
NOTES:
1. Power-saving alternative to 4-resistor, Thevenin termination.
2. Place termination resistors as close to destination inputs as possible.
3. Rb resistor sets the DC bias voltage, equal to Vt. For +5V, Rb = 100Ω
SY100EL16VO
PRODUCT ORDERING CODE
Ordering
Code
Package Operating
Type
Range
SY100EL16VOKC
K10-1 Commercial
SY100EL16VOKCTR* K10-1 Commercial
*Tape and Reel
Note 1. Recommended for new designs.
Marking
Code
X16VO
X16VO
Ordering
Code
SY100EL16VOKI(1)
SY100EL16VOKITR*(1)
Package
Type
K10-1
K10-1
Operating
Range
Industrial
Industrial
Marking
Code
X16VO
X16VO
5
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet SY100EL16VO.PDF ] | |
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