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| 3.3V DUAL DIFFERENTIAL LVPECL-to-LVTTL TRANSLATOR FEATURES s s s s s s s 3.3V power supply 1.9ns typical propagation delay Maximum frequency > 275MHz Differential LVPECL inputs 24mA LVTTL outputs Flow-through pinouts Internal input resistors: pulldown on D, pulldown and pullup on /D s Q output will default LOW with inputs open or at Ground s Available in 8-pin MSOP and SOIC packages SY100EPT23L DESCRIPTION The SY100EPT23L is a dual differential LVPECL-toLVTTL translator. Because LVPECL (Low Voltage Positive ECL) levels are used, only +3.3V and ground are required. The tiny 8-pin MSOP and dual-gate design of the EPT23L makes it ideal for applications which require the translation of a clock and data signal. The EPT23L is available in only the ECL 100K standard. Since there are no LVPECL outputs or an external VBB reference, the EPT23L does not require both ECL standard versions. The inputs can accept 10K voltage levels and any standard differential LVPECL input referenced from a VCC of +3.3V PIN CONFIGURATION/BLOCK DIAGRAM PIN NAMES Pin Function LVTTL Outputs Differential LVPECL Inputs Positive Supply Ground D0 1 /D0 2 LVPECL LVTTL 8 VCC 7 Q0 6 Q1 5 GND Q0, Q1 D0, /D0, D1, /D1 VCC GND /D1 3 D1 4 (Available in 8-pin SOIC and 8-pin MSOP) Rev.: A Amendment: 1 1 Issue Date: July 2000 Micrel SY100EPT23L 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 +3.8 0V to VCC+0.5 -0.5 to VCC 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. LVTTL DC ELECTRICAL CHARACTERISTICS VCC = +3.3V 5% TA = -40C Symbol VOH VOL ICC IOS Parameter Output HIGH Voltage Output LOW Voltage Power Supply Current Output Short Circuit Current Min. 2.0 -- -- -80 Max. -- 0.5 30 -240 TA = 0C Min. 2.0 -- -- -80 Max. -- 0.5 30 -240 TA = +25C Min. 2.0 -- -- -80 Max. -- 0.5 30 -240 TA = +85C Min. 2.0 -- -- -80 Max. -- 0.5 30 -240 Unit V V mA mA VOUT = 0V Condition IOH = -3.0mA IOL = 24mA LVPECL DC ELECTRICAL CHARACTERISTICS VCC = +3.3V 5% TA = -40C Symbol IIH IIL VCMR VPP VIH VIL Parameter Input HIGH Current Input LOW Current Common Mode Range Minimum Peak-to-Peak Input(1) Input HIGH Input LOW Voltage(2) Voltage(2) Min. -- 0.5 1.5 200 2070 1350 Typ. -- -- -- -- -- -- Max. 150 -- VCC -- 2420 1825 Min. -- 0.5 1.5 200 2130 1350 TA = 0C Typ. -- -- -- -- -- -- Max. 150 -- VCC -- 2460 1825 -- 0.5 1.5 200 2135 1350 TA = +25C Min. Typ. -- -- -- -- -- -- Max. 150 -- VCC -- 2490 1825 -- 0.5 1.5 200 2130 1350 TA = +85C Min. Typ. -- -- -- -- -- -- Max. 150 -- VCC -- 2565 1825 Unit A A V mV mV mV NOTES: 1. 200mV input guarantees full logic at output. 2. These values are for VCC = 3.3V. Level Specifications will vary 1:1 with VCC. 2 Micrel SY100EPT23L AC ELECTRICAL CHARACTERISTICS VCC = +3.3V 5% TA = -40C Symbol tPLH tPHL tskpp tskew++ tskew- - tr tf fMAX Parameter Propagation Delay Part-to-Part Skew(1,4) Within-Device Within-Device Skew(2,4) Skew(3,4) Min. 1.5 -- -- -- 0.5 275 Max. 2.5 0.5 0.3 0.3 1.0 -- TA = 0C Min. 1.5 -- -- -- 0.5 275 Max. 2.5 0.5 0.3 0.3 1.0 -- TA = +25C Min. 1.5 -- -- -- 0.5 275 Max. 2.5 0.5 0.3 0.3 1.0 -- TA = +85C Min. 1.5 -- -- -- 0.5 275 Max. 2.5 0.5 0.3 0.3 1.0 -- Unit ns ns ns ns ns MHz Condition CL = 20pF CL = 20pF CL = 20pF CL = 20pF CL = 20pF CL = 20pF Output Rise/Fall Time 1.0V to 2.0V Maximum Input Frequency(5,6) NOTES: 1. Device-to-Device Skew considering HIGH-to-HIGH transitions at common VCC level. 2. Within-Device Skew considering HIGH-to-HIGH transitions at common VCC level. 3. Within-Device Skew considering LOW-to-LOW transitions at common VCC level. 4. All skew parameters are guaranteed but not tested. 5. Frequency at which guaranteed for functionality. VOH and VOL levels are guaranteed at DC only. 6. The fMAX value is specified as the minimum guaranteed maximum frequency. Actual operational maximum frequency may be greater. PRODUCT ORDERING CODE Ordering Code SY100EPT23LZC SY100EPT23LZCTR SY100EPT23LKC SY100EPT23LKCTR Package Type Z8-1 Z8-1 K8-1 K8-1 Operating Range Commercial Commercial Commercial Commercial VCC Range (V) +3.3 5% +3.3 5% +3.3 5% +3.3 5% 3 Micrel SY100EPT23L 8 LEAD PLASTIC SOIC (Z8-1) Rev. 03 4 Micrel SY100EPT23L 8 LEAD MSOP (K8-1) Rev. 01 5 Micrel SY100EPT23L 6 Micrel SY100EPT23L 7 Micrel SY100EPT23L MICREL-SYNERGY TEL 3250 SCOTT BOULEVARD FAX SANTA CLARA WEB CA 95054 USA + 1 (408) 980-9191 + 1 (408) 914-7878 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. (c) 2000 Micrel Incorporated 8 |
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