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| Micrel, Inc. 3.3V DUAL TTL-to-DIFFERENTIAL PECL TRANSLATOR SY10ELT22L SY100ELT22L SY10ELT22L SY100ELT22L FEATURES 3.3V power supply 300ps typical propagation delay <100ps output-to-output skew Differential PECL outputs PNP TTL inputs for minimal loading Flow-through pinouts Available in 8-pin SOIC package DESCRIPTION The SY10/100ELT22L are dual TTL-to-differential PECL translators with +3.3V power supply. Because PECL (Positive ECL) levels are used, only +3.3V and ground are required. The small outline 8-lead SOIC package and the low skew, dual gate design of the ELT22L makes it ideal for applications which require the tranlation of a clock and a data signal. The ELT22L 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 Qn Dn VCC GND Function Differential PECL Outputs TTL Inputs +3.3V Supply Ground M9999-120705 hbwhelp@micrel.com or (408) 955-1690 Rev.: I Amendment: /0 1 Issue Date: December 2005 Micrel, Inc. SY10ELT22L SY100ELT22L PACKAGE/ORDERING INFORMATION Ordering Information(1) Q0 1 /Q0 2 PECL TTL 8 VCC 7 D0 6 D1 5 GND 8-Pin SOIC (Z8-1) Part Number SY10ELT22LZC SY10ELT22LZCTR(2) SY100ELT22LZC SY100ELT22LZCTR(2) SY10ELT22LZG(3) SY10ELT22LZGTR(2, 3) SY100ELT22LZG(3) SY100ELT22LZGTR(2, 3) Package Type Z8-1 Z8-1 Z8-1 Z8-1 Z8-1 Z8-1 Z8-1 Z8-1 Operating Range Commercial Commercial Commercial Commercial Industrial Industrial Industrial Industrial Package Marking HEL22L HEL22L XEL22L XEL22L HEL22L with Pb-Free bar-line indicator HEL22L with Pb-Free bar-line indicator XEL22L with Pb-Free bar-line indicator XEL22L with Pb-Free bar-line indicator Lead Finish Sn-Pb Sn-Pb Sn-Pb Sn-Pb Pb-Free NiPdAu Pb-Free NiPdAu Pb-Free NiPdAu Pb-Free NiPdAu Q1 3 /Q1 4 Notes: 1. Contact factory for die availability. Dice are guaranteed at TA = 25C, DC Electricals only. 2. Tape and Reel. 3. Pb-Free package is recommended for new designs. M9999-120705 hbwhelp@micrel.com or (408) 955-1690 2 Micrel, Inc. SY10ELT22L SY100ELT22L ABSOLUTE MAXIMUM RATINGS(1) Symbol VCC VI II IOUT Paramter Power Supply Voltage TTL Input Voltage TTL Input Current PECL Output Current -- Continuous -- Surge Lead Temperature (soldering, 20sec.) Storage Temperature Operating Temperature Value -0.5 to +7.0 -0.5 to VCC -30 to +5.0 50 100 +260 -65 to +150 -40 to +85 C C C Unit V V mA mA TRUTH TABLE D H L Open Q H L H Q L H L TLEAD Tstore TA 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(1) VCC = +3.0V to +3.8V TA = -40C Symbol ICC Parameter Power Supply Current -- 25 TA = 0C -- 25 TA = +25C -- 25 TA = +85C Condition -- -- 25 mA Min. Max. Min. Max. Min. Max. Min. Max. Unit NOTE: 1. Parametric values specified at: 3 volt Power Supply Range 10/100ELT22L Series: +3.0V to +3.8V. TTL DC ELECTRICAL CHARACTERISTICS(1) VCC = +3.0V to +3.8V TA = -40C Symbol VIH VIL IIH IIL VIK Parameter Input HIGH Voltage Input LOW Voltage Input HIGH Current Input LOW Current Input Clamp Voltage Min. 2.0 -- -- -- -- -- Max. -- 0.8 20 100 -0.2 -1.2 TA = 0C Min. 2.0 -- -- -- -- -- Max. -- 0.8 20 100 -0.2 -1.2 TA = +25C Min. 2.0 -- -- -- -- -- Max. -- 0.8 20 100 -0.2 -1.2 TA = +85C Min. 2.0 -- -- -- -- -- Max. -- 0.8 20 100 -0.2 -1.2 Unit V V A mA V Condition -- -- VIN = 2.7V VIN = VCC VIN = 0.5V IIN = -18mA NOTE: 1. Parametric values specified at: 3 volt Power Supply Range 10/100ELT22L Series: +3.0V to +3.8V. M9999-120705 hbwhelp@micrel.com or (408) 955-1690 3 Micrel, Inc. SY10ELT22L SY100ELT22L PECL DC ELECTRICAL CHARACTERISTICS(1) VCC = VCC (Min.) to VCC (Max.) TA = -40C Symbol VOH Parameter Output HIGH Voltage(2) 10ELT 100ELT VOL Output LOW Voltage(2) 10ELT 100ELT 2220 2220 1350 1470 -- -- -- -- 2410 2420 1650 1750 2280 2275 1350 1490 -- -- -- -- 2460 2320 2420 2275 1670 1350 1680 1490 -- -- -- -- 2490 2420 1670 1680 2390 2275 1350 1490 -- -- -- -- 2580 2420 mV 1705 1680 Min. Typ. Max. Min. TA = 0C Typ. Max. TA = +25C Min. Typ. Max. TA = +85C Min. Typ. Max. Unit mV NOTES: 1. Parametric values specified at: 3 volt Power Supply Range 10/100ELT22L Series: +3.0V to +3.8V. 2. These values are for VCC = 3.3V. Level Specifications will vary 1:1 with VCC. AC ELECTRICAL CHARACTERISTICS(1) VCC = +3.0V to +3.8V TA = -40C Symbol tPD tr tf tskpp tskew Parameter Propagation Delay to Output D, ENECL/ENTTL Output Rise/Fall Time 20% to 80% Part-to-Part Skew(2) Within-Device Skew(2,3) TA = 0C TA = +25C TA = +85C Condition 50 to VCC - 2.0V 50 to VCC - 2.0V 50 to VCC - 2.0V 50 to VCC - 2.0V Min. Max. Min. Max. Min. Max. Min. Max. Unit 100 200 -- -- 600 500 500 100 100 200 -- -- 600 500 500 100 100 200 -- -- 600 500 500 100 100 200 -- -- 600 500 500 100 ps ps ps ps NOTES: 1. Parametric values specified at: 3 volt Power Supply Range 2. Guaranteed, but not tested. 3. Same transition @common VCC levels. 10/100ELT22L Series: +3.0V to +3.8V. M9999-120705 hbwhelp@micrel.com or (408) 955-1690 4 Micrel, Inc. SY10ELT22L SY100ELT22L 8-PIN SOIC .150" WIDE (Z8-1) Rev. 03 MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 TEL USA + 1 (408) 944-0800 FAX + 1 (408) 474-1000 WEB http://www.micrel.com The information furnished by Micrel in this datasheet is believed to be accurate and reliable. However, no responsibility is assumed by Micrel for its use. Micrel reserves the right to change circuitry and specifications at any time without notification to the customer. Micrel Products are not designed or authorized for use as components in life support appliances, devices or systems where malfunction of a product can reasonably be expected to result in personal injury. Life support devices or systems are devices or systems that (a) are intended for surgical implant into the body or (b) support or sustain life, and whose failure to perform can be reasonably expected to result in a significant injury to the user. A Purchaser's use or sale of Micrel Products for use in life support appliances, devices or systems is at Purchaser's own risk and Purchaser agrees to fully indemnify Micrel for any damages resulting from such use or sale. (c) 2005 Micrel, Incorporated. M9999-120705 hbwhelp@micrel.com or (408) 955-1690 5 |
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