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| Micrel, Inc. DIFFERENTIAL ECL-to-TTL TRANSLATOR SY100ELT25 SY100ELT25 FEATURES s s s s s 2.6ns typical propagation delay Differential ECL inputs 24mA TTL outputs Flow-through pinouts Available in 8-pin SOIC package DESCRIPTION The SY100ELT25 is a differential ECL-to-TTL translator. Because ECL levels are used, a +5V, -5.2V (or -4.5V) and ground are required. The small outline 8lead SOIC package and the single gate of the ELT25 makes it ideal for those applications where performance, space and low power are at a premium. The VBB output allows the ELT25 to also be used in a single-ended input mode. In this mode the VBB output is tied to the D input for a non-inverting buffer or the D input for an inverting buffer. If used the VBB pin should be bypassed to ground via a 0.01F capacitor. PIN NAMES Pin Q D VCC VEE VBB GND TTL Output Differential ECL Inputs Positive Supply Negative Supply Reference Output Ground Function M9999-031506 hbwhelp@micrel.com or (408) 955-1690 Rev.: C Amendment: /0 1 Issue Date: March 2006 Micrel, Inc. SY100ELT25 PACKAGE/ORDERING INFORMATION Ordering Information(1) VEE D D VBB 1 2 3 4 8 7 6 5 VCC Q NC GND Part Number SY100ELT25ZC SY100ELT25ZCTR(2) SY100ELT25ZI SY100ELT25ZITR(2) SY100ELT25ZG(3) SY100ELT25ZGTR(2, 3) Package Type Z8-1 Z8-1 Z8-1 Z8-1 Z8-1 Z8-1 Operating Range Commercial Commercial Industrial Industrial Industrial Industrial Package Marking XEL25 XEL25 XEL25 XEL25 XEL25 with Pb-Free bar-line indicator XEL25 with with Pb-Free bar-line indicator Lead Finish Sn-Pb Sn-Pb Sn-Pb Sn-Pb Pb-Free NiPdAu Pb-Free NiPdAu 8-Pin SOIC (Z8-1) 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. M9999-031506 hbwhelp@micrel.com or (408) 955-1690 2 Micrel, Inc. SY100ELT25 ABSOLUTE MAXIMUM RATINGS(1) Symbol VCC VIN VOUT IOUT TLEAD Tstore TA Paramter Power Supply Voltage ECL Input Voltage Voltage Applied to Output at HIGH State Current Applied to Output at LOW State Lead Temperature (soldering, 20sec.) Storage Temperature Operating Temperature Value -0.5 to +7.0 VEE to GND+0.5 -0.5 to +5.5 Twice the Rated IOL +260 -65 to +150 -40 to +85 Unit V V V mA C 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 VCC = 4.5V to 5.5V; VEE = -4.2V to -5.5V TA = -40C Symbol ICC IEE Parameter Power Supply Current Power Supply Current -- -- 14 14 TA = 0C -- -- 14 14 TA = +25C TA = +85C Condition -- -- 9 5.5 14 14 -- -- 14 14 mA mA Min. Max. Min. Max. Min. Max. Min. Max. Unit AC ELECTRICAL CHARACTERISTICS VCC = 4.5V to 5.5V; VEE = -4.2V to -5.5V TA = -40C Symbol tPLH tPHL fMAX tr tf Parameter Propagation Delay D to Output Q Maximum Frequency Output Rise/Fall Time (1.0V to 2.0V) 1.7 150 -- 3.6 -- 1.5 TA = 0C 1.7 150 -- 3.6 -- 1.5 TA = +25C 1.7 150 -- 3.6 -- 1.5 TA = +85C Condition CL = 20pF CL = 20pF CL = 20pF 1.7 150 -- 3.6 -- 1.5 ns MHz ns Min. Max. Min. Max. Min. Max. Min. Max. Unit TTL DC ELECTRICAL CHARACTERISTICS VCC = 4.5V to 5.5V; VEE = -4.2V to -5.5V TA = -40C Symbol VOH VOL IOS Parameter Output HIGH Voltage Output LOW Voltage Output Short Circuit Current 2.4 -- -60 -- 0.5 -200 TA = 0C 2.4 -- -60 -- 0.5 -200 TA = +25C 2.4 -- -60 -- 0.5 -200 TA = +85C Condition IOH = -3.0mA IOL = 24mA VOUT = 0V 2.4 -- -60 -- 0.5 -200 V V mA Min. Max. Min. Max. Min. Max. Min. Max. Unit M9999-031506 hbwhelp@micrel.com or (408) 955-1690 3 Micrel, Inc. SY100ELT25 ECL DC ELECTRICAL CHARACTERISTICS VCC = 4.5V to 5.5V; VEE = -4.2V to -5.5V TA = -40C Symbol IIH IIL VCMR VPP VIH VIL VBB Parameter Input HIGH Current Input HIGH Current Common Mode Range Minimum Peak-to-Peak Input(1) Input HIGH Voltage Input LOW Voltage Reference Output Min. -- 0.5 VEE+2.2 TA = 0C Min. -- 0.5 Typ. Max. -- -- -- -- -- -- -- 150 -- TA = +25C Min. -- 0.5 Typ. Max. -- -- -- -- -- -- -- 150 -- TA = +85C Min. -- 0.5 Typ. Max. -- -- -- -- -- -- -- 150 -- GND -- -880 -1475 -1.26 Unit A A V mV mV mV mV Typ. Max. -- -- -- -- -- -- -- 150 -- GND VEE+2.2 -- -880 200 -1165 GND VEE+2.2 -- -880 200 -1165 GND VEE+2.2 -- -880 200 -1165 200 -1165 -1810 -1.38 -1475 -1810 -1.26 -1.38 -1475 -1810 -1.26 -1.38 -1475 -1810 -1.26 -1.38 NOTE: 1. 200mV input guarantees full logic at output. TTL SWITCHING CIRCUIT VEE Use 0.1F Capacitors For Decoupling VCC 50 COAX PULSE GENERATOR IN DEVICE UNDER TEST OUT 450 50 COAX 50 COAX CH A Use Oscilloscope Internal 50 Load For Termination OSCILLOSCOPE CH B M9999-031506 hbwhelp@micrel.com or (408) 955-1690 4 Micrel, Inc. SY100ELT25 ECL/TTL PROPAGATION DELAY -- SINGLE ENDED 50% VIN tPLH 1.5V VOUT tPHL ECL/TTL WAVEFORMS: RISE AND FALL TIMES 2.0V VOUT tr tf 1V M9999-031506 hbwhelp@micrel.com or (408) 955-1690 5 Micrel, Inc. SY100ELT25 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) 2006 Micrel, Incorporated. M9999-031506 hbwhelp@micrel.com or (408) 955-1690 6 |
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