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SY100ELT21L

Micrel Semiconductor
Part Number SY100ELT21L
Manufacturer Micrel Semiconductor
Description 3.3V DIFFERENTIAL LVPECL-to-LVTTL TRANSLATOR
Published Nov 16, 2005
Detailed Description Micrel, Inc. FEATURES s 3.3V power supply s 2.0ns typical propagation delay s Low power s Differential LVPECL inputs s 2...
Datasheet PDF File SY100ELT21L PDF File

SY100ELT21L
SY100ELT21L

Overview
Micrel, Inc.
FEATURES s 3.
3V power supply s 2.
0ns typical propagation delay s Low power s Differential LVPECL inputs s 24mA TTL outputs s Flow-through pinouts s Available in 8-pin SOIC package 3.
3V DIFFERENTIAL LVPECL-to-LVTTL TRANSLATOR Precision Edge® PrecisioSnSYY1E01d00EEgLLeTT®2211LL SY10ELT21L SY100ELT21L Precision Edge® DESCRIPTION The SY10/100ELT21L are single differential LVPECLto-LVTTL translators using a single +3.
3V power supply.
Because LVPECL (Low Voltage Positive ECL) levels are used, only +3.
3V and ground are required.
The small outline 8-lead SOIC package and low skew single gate design make the ELT21L ideal for applications that require the translation of a clock or data signal where minimal space, low power, and low cost are critical.
VBB allows a differential, single-ended, or AC-coupled interface to the device.
If used, the VBB output should be bypassed to VCC with 0.
01µF capacitor.
Under open input conditions, the /D will be biased at a VCC/2 voltage level and the D input will be pulled to ground.
This condition will force the Q output low to provide added stability.
The ELT21L is available in both ECL standards: the 10ELT is compatible with positive ECL 10H logic levels, while the 100ELT is compatible with positive ECL 100K logic levels.
PIN NAMES Pin Q D, /D VCC VBB GND Function TTL Output Differential LVPECL Inputs +3.
3V Supply Reference Output Ground Precision Edge is a registered trademark of Micrel, Inc.
M9999-031506 hbwhelp@micrel.
com or (408) 955-1690 1 Rev.
: D Amendment: /0 Issue Date: March 2006 Micrel, Inc.
Precision Edge® SY10ELT21L SY100ELT21L PACKAGE/ORDERING INFORMATION NC 1 D2 PECL D3 VBB 4 8 VCC TTL 7 Q 6 NC 5 GND 8-Pin SOIC (Z8-1) Ordering Information(1) Part Number Package Operating Type Range Package Marking Lead Finish SY10ELT21LZC SY10ELT21LZCTR(2) Z8-1 Z8-1 Commercial Commercial HEL21L HEL21L Sn-Pb Sn-Pb SY100ELT21LZC SY100ELT21LZCTR(2) Z8-1 Z8-1 Commercial Commercial XEL21L XEL21L Sn-Pb Sn-...


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