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PDF SY100H842L Data sheet ( Hoja de datos )
| Número de pieza | SY100H842L | |
| Descripción | 3.3V SINGLE SUPPLY QUAD PECL-TO-TTL OUTPUT ENABLE | |
| Fabricantes | Micrel Semiconductor | |
| Logotipo |  |
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3.3V SINGLE SUPPLY
QUAD PECL-TO-TTL
OUTPUT ENABLE
ClockWorks™
SY10H842L
SY100H842L
FINAL
FEATURES
s 3.3V power supply
s Translates positive ECL-to-TTL (PECL-to-TTL)
s 300ps pin-to-pin skew
s 500ps part-to-part skew
s Differential internal design for increased noise
immunity and stable threshold inputs
s VBB reference output
s Single supply
s Enable input
s Extra TTL and ECL power/ground pins to reduce
cross-talk/noise
s High drive capability: 24mA each output
s Fully compatible with industry standard 10K, 100K
I/O levels
s Available in 16-pin SOIC package
DESCRIPTION
The SY10/100H842L are single supply, low skew
translating 1:4 clock drivers.
The devices feature a 24mA TTL output stage, with
AC performance specified into a 20pF load capacitance.
A HIGH on the enable pin (EN) forces all outputs LOW.
As frequencies increase to 40MHz and above, precise
timing and shaping of clock signals becomes extremely
important. The H842 solves several clock distribution
problems such as minimizing skew 300ps), maximizing
clock fanout (24mA drive), and precise duty cycle control
through a proprietary differential internal design.
The 10K version is compatible with 10KH ECL logic
levels. The 100K version is compatible with 100K levels.
BLOCK DIAGRAM
ECL Input
D
D
VBB
EN
TTL Outputs
Q0
Q1
Q2
PIN CONFIGURATION
www.DataSheet4U.com
GT 1
16
EN 2
15
GE 3
14
VE 4 SOIC 13
D 5 Z16-1 12
D6
11
VBB 7
10
GT 8
9
Q3
GT
Q2
VT
VT
Q1
GT
Q0
PIN NAMES
Q3
Pin Function
GT TTL Ground (0V)
VT TTL VCC (+3.3V)
VE ECL VCC (+3.3V)
GE ECL Ground (0V)
D, D
Signal Input (PECL)
VBB VBB Reference Output (PECL)
Q0 - Q3
Signal Outputs (TTL)
EN Enable Input (PECL)
Rev.: D Amendment: /0
1 Issue Date: March 2002
1 page  
Micrel
16 LEAD SOIC .300" WIDE (Z16-1)
ClockWorks™
SY10H842L
SY100H842L
Rev. 03
MICREL-SYNERGY 3250 SCOTT BOULEVARD SANTA CLARA CA 95054 USA
TEL + 1 (408) 980-9191 FAX + 1 (408) 914-7878 WEB http://www.micrel.com
This information is believed to be accurate and reliable, however no responsibility is assumed by Micrel for its use nor for any infringement of patents or
other rights of third parties resulting from its use. No license is granted by implication or otherwise under any patent or patent right of Micrel Inc.
© 2002 Micrel Incorporated
5
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| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet SY100H842L.PDF ] | |
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