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| DUAL DIFFERENTIAL PECL-to-TTL TRANSLATOR FEATURES s s s s s s 3.0ns typical propagation delay <500ps typical output-to-output skew Differential PECL inputs 24mA TTL outputs Flow-through pinouts Available in 8-pin SOIC package Precision EdgeTM SY10ELT23 SY100ELT23 FINAL Precision EdgeTM DESCRIPTION The SY10/100ELT23 are dual differential PECL-to-TTL translators. Because PECL (Positive ECL) levels are used, only +5V and ground are required. The small outline 8-lead SOIC package and the low skew dual gate design of the ELT23 makes it ideal for applications which require the translation of a clock and a data signal. The ELT23 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 CONFIGURATION/BLOCK DIAGRAM D0 D0 D1 D1 1 2 PECL 3 4 TTL 8 7 6 5 VCC Q0 Q1 Qn PIN NAMES Pin Function TTL Outputs Differential PECL Inputs +5.0V Supply Ground GND Dn VCC SOIC TOP VIEW GND Precision Edge is a trademark of Micrel, Inc. Rev.: I Amendment: 0 1 Issue Date: February 2003 Micrel Precision EdgeTM SY10ELT23 SY100ELT23 ABSOLUTE MAXIMUM RATINGS(1) Symbol VCC VI VO IO Tstore TA Paramter Power Supply Voltage PECL Input Voltage Voltage Applied to Output at HIGH State Current Applied to Output at LOW State Storage Temperature Operating Temperature Value -0.5 to +7.0 0V to VCC+0.5 -0.5 to +5.5 Twice the Rated IOL -65 to +150 -40 to +85 Unit V V V mA C C TRUTH TABLE D L H Open D H L Open Q L H L 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 = VCC (Min.) to VCC (Max.) TA = -40C Symbol ICC Parameter Power Supply Current Min. -- Max. 30 TA = 0C Min. -- Max. 30 TA = +25C Min. -- Max. 30 TA = +85C Min. -- Max. 30 Unit mA Condition -- NOTE: 1. Parametric values specified at: 5 volt Power Supply Range 100ELT23 Series: 10ELT23 Series +4.5V to +5.5V. +4.75V to +5.5V. AC ELECTRICAL CHARACTERISTICS(1) VCC = VCC (Min.) to VCC (Max.) TA = -40C Symbol tPLH tPHL tskpp tskew++ tskew- - tr tf fMAX Parameter Propagation Delay D to Output Q Part-to-Part Skew(2,5) Within-Device Skew(3,5) Within-Device Skew(4,5) Output Rise/Fall Time 1.0V to 2.0V Maximum Input Frequency(5) Min. 2.5 -- -- -- -- 160 Max. 3.5 0.5 0.3 0.3 1.5 -- TA = 0C Min. 2.5 -- -- -- -- 160 Max. 3.5 0.5 0.3 0.3 1.5 -- TA = +25C Min. 2.5 -- -- -- -- 160 Max. 3.5 0.5 0.3 0.3 1.5 -- TA = +85C Min. 2.5 -- -- -- -- 160 Max. 3.5 0.5 0.3 0.3 1.5 -- Unit ns ns ns ns ns MHz Condition CL = 50pF CL = 50pF CL = 50pF CL = 50pF CL = 50pF CL = 50pF NOTES: 1. Parametric values specified at: 2. 3. 4. 5. 100ELT23 Series: 10ELT23 Series Device-to-Device Skew considering HIGH-to-HIGH transitions at common VCC level. Within-Device Skew considering HIGH-to-HIGH transitions at common VCC level. Within-Device Skew considering LOW-to-LOW transitions at common VCC level. These parameters are guaranteed but not tested. 5 volt Power Supply Range +4.5V to +5.5V. +4.75V to +5.5V. 2 Micrel Precision EdgeTM SY10ELT23 SY100ELT23 TTL DC ELECTRICAL CHARACTERISTICS(1) VCC = VCC (Min.) to VCC (Max.) TA = -40C Symbol VOH VOL IOS Parameter Output HIGH Voltage Output LOW Voltage Output Short Circuit Current Min. 2.5 2.0 -- -80 Max. -- -- 0.5 -200 TA = 0C Min. 2.5 2.0 -- -80 Max. -- -- 0.5 -200 TA = +25C Min. 2.5 2.0 -- -80 Max. -- -- 0.5 -200 TA = +85C Min. 2.5 2.0 -- -80 Max. -- -- 0.5 -200 Unit V V V mA Condition IOH = -3.0mA IOH = -15mA IOL = 24mA VOUT = 0V NOTE: 1. Parametric values specified at: 5 volt Power Supply Range 100ELT23 Series: 10ELT23 Series +4.5V to +5.5V. +4.75V to +5.5V. PECL DC ELECTRICAL CHARACTERISTICS(1) VCC = VCC (Min.) to VCC (Max.) TA = -40C Symbol IIH IIL VCMR VPP VIH Parameter Input HIGH Current Input HIGH Current Common Mode Range Minimum Peak-to-Peak Input(2) Min. -- 0.5 2.2 200 Typ. -- -- -- -- -- -- -- -- Max. 150 -- VCC -- 4110 4120 3500 3525 Min. -- 0.5 2.2 200 3830 3835 3050 3190 TA = 0C Typ. -- -- -- -- -- -- -- -- Max. 150 -- VCC -- 4160 4120 3520 3525 TA = +25C Min. -- 0.5 2.2 200 3870 3835 3050 3190 Typ. -- -- -- -- -- -- -- -- Max. 150 -- VCC -- 4190 4120 3520 3525 TA = +85C Min. -- 0.5 2.2 200 3940 3835 3050 3190 Typ. -- -- -- -- -- -- -- -- Max. 150 -- VCC -- 4280 4120 mV 3555 3525 Unit A A V mV mV Input HIGH Voltage(3) 10ELT 3770 100ELT 3835 Input LOW Voltage(3) 10ELT 3050 100ELT 3190 VIL NOTES: 1. Parametric values specified at: 5 volt Power Supply Range 100ELT23 Series: 10ELT23 Series +4.5V to +5.5V. +4.75V to +5.5V. 2. 200mV input guarantees full logic at output. 3. These values are for VCC = 5.0V. Level Specifications will vary 1:1 VCC. PRODUCT ORDERING CODE Ordering Code SY10ELT23ZC SY10ELT23ZCTR* SY100ELT23ZC SY100ELT23ZCTR* *Tape and Reel Note 1. Recommended for new designs. Package Type Z8-1 Z8-1 Z8-1 Z8-1 Operating Range Commercial Commercial Commercial Commercial Marking Code HEL23 HEL23 XEL23 XEL23 Ordering Code SY10ELT23ZI(1) SY10ELT23ZITR*(1) SY100ELT23ZI(1) SY100ELT23ZITR*(1) Package Type Z8-1 Z8-1 Z8-1 Z8-1 Operating Range Industrial Industrial Industrial Industrial Marking Code HEL23 HEL23 XEL23 XEL23 3 Micrel Precision EdgeTM SY10ELT23 SY100ELT23 8 LEAD SOIC .150" WIDE (Z8-1) Rev. 03 MICREL, INC. TEL 1849 FORTUNE DRIVE SAN JOSE, CA 95131 FAX USA + 1 (408) 944-0800 + 1 (408) 944-0970 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) 2003 Micrel, Incorporated. 4 |
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