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| 5V/3.3V DUAL DIFFERENTIAL 2:1 MULTIPLEXER FEATURES s s s s s s 3.3V and 5V power supply options 440ps propagation delay Separate and common select High bandwidth output transitions Internal 75K input pull-down resistors Available in 20-pin SOIC package SY100EL56V DESCRIPTION The SY100EL56V is a dual, fully differential 2:1 multiplexer. The differential data path makes the device ideal for multiplexing low skew clock or other skew sensitive signals. Multiple VBB pins are provided to ease AC coupling input signals. The device features both individual and common select inputs to address both data path and random logic applications. The differential inputs have special circuitry which ensures device stability under open input conditions. When both differential inputs are left open the D input will pull down to VEE, the /D input will bias around VCC/2 forcing the Q output LOW. PIN CONFIGURATION/BLOCK DIAGRAM TRUTH TABLE SEL H Data a b D0a 1 D0a 2 VBB0 3 D0b 4 D0b 5 D1a 6 D1a 7 20 VCC L 19 Q0 18 Q0 17 16 15 14 SEL0 COM_SEL SEL1 VCC PIN NAMES Pin D0a-D1a D0b-D1b SEL0-SEL1 COM_SEL Q0-Q1 /Q0-/Q1 Input Data a Input Data b Individual Select Input Common Select Input True Outputs Inverted Outputs Function VBB1 8 D1b 9 13 Q1 12 Q1 11 D1b 10 VEE SOIC TOP VIEW Rev.: C Amendment: /1 1 Issue Date: May 2000 Micrel SY100EL56V DC ELECTRICAL CHARACTERISTICS(1) VEE =VEE (Min) to VEE (Max); VCC = GND TA = -40C Symbol IEE VBB IIH IIL Parameter Power Supply Current Output Reference Voltage Input HIGH Current Input LOW Current Dn Dn VPP(DC) Input Sensitivity(2) 0.5 -600 50 -- -- -- -- -- -- 0.5 -600 50 -- -- -- -- -- -- 0.5 -600 50 -- -- -- -- -- -- 0.5 -600 50 -- -- -- -- -- -- mV Min. -- -1.38 -- Typ. 20 -- -- Max. 24 Min. -- TA = 0C Typ. 20 -- -- Max. 24 -- TA = +25C Min. Typ. 20 -- -- Max. 24 -- TA = +85C Min. Typ. 20 -- -- Max. 24 -1.26 150 Unit mA V A A -1.26 -1.38 150 -- -1.26 -1.38 150 -- -1.26 -1.38 150 -- NOTES: 1. Parametric values specifed at: 100EL56V Series: (-3.0V to -3.8V) or (-4.2V to -5.5V) 2. Differential input voltage required to obtain a full ECL swing on the outputs. AC ELECTRICAL CHARACTERISTICS VEE =VEE (Min) to VEE (Max); VCC = GND TA = -40C Symbol tPLH tPHL Parameter Propagation Delay to Output D (Diff) D (SE) SEL COM_SEL Min. 340 290 430 430 -- -- 150 Typ. -- -- -- -- 40 -- -- Max. 540 590 730 730 80 100 1000 Min. 350 300 440 440 -- -- 150 TA = 0C Typ. -- -- -- -- 40 -- -- Max. 550 600 740 740 80 100 1000 TA = +25C Min. 360 310 440 440 -- -- 150 Typ. -- -- -- -- 40 -- -- Max. 560 610 740 740 80 100 1000 TA = +85C Min. 380 330 450 450 -- -- 150 Typ. -- -- -- -- 40 -- -- Max. Unit 580 630 750 750 80 100 1000 ps tSKEW Within Device Skew(1) Duty Cycle Skew(2) ps ps mV V VPP(AC) Minimum Input Swing(3) VCMR Common Mode Range VEE = -3.0V to -3.8V(4) VPP < 500mV VPP 500mV VEE = -4.2V to -5.5V(5) VPP < 500mV VPP 500mV tr tf Output Rise/Fall Times Q (20% -80%) -2.0 -1.8 -3.2 -3.0 200 -- -- -- -- -- -0.4 -0.4 -0.4 -0.4 540 -2.1 -1.9 -3.3 -3.1 200 -- -- -- -- -- -0.4 -0.4 -0.4 -0.4 540 -2.1 -1.9 -3.3 -3.1 200 -- -- -- -- -- -0.4 -0.4 -0.4 -0.4 540 -2.1 -1.9 -3.3 -3.1 200 -- -- -- -- -- -0.4 -0.4 -0.4 -0.4 540 ps NOTES: 1. Within device skew is defined as identical transitions on similar paths through a device. 2. Duty cycle skew is defined only for differential operation when the delays are measured from the cross point of the inputs to the cross point of the outputs. 3. Minimum input swing for which AC parameters are guaranteed. 4. The CMR range is referenced to the most positive side of the differential input signal. Normal operation is obtained if the HIGH level falls within the specified range and the peak-to-peak voltage lies between VPP (min) and 1V. The lower end of the CMR range varies 1:1 with VEE. The numbers in the spec table assume a nominal VEE = -3.3V. Note for PECL operation, the VCMR (min) will be fixed at 3.3V - |VCMR (min)|. 5. The CMR range is referenced to the most positive side of the differential input signal. Normal operation is obtained if the HIGH level falls within the PRODUCT ORDERING CODE specified range and the peak-to-peak voltage lies between VPP (min) and 1V. The lower end of the CMR range varies 1:1 with VEE. The numbers in the spec table assume a nominal VEE = -4.5V. Note for PECL operation, Ordering Package Operating the VCMR (min) will be fixed at 5.0V - |VCMR (min)|. Code SY100EL56VZC SY100EL56VZCTR Type Z20-1 Z20-1 Range Commercial Commercial 2 Micrel SY100EL56V 20 LEAD SOIC .300" WIDE (Z20-1) Rev. 03 3 Micrel SY100EL56V MICREL-SYNERGY TEL 3250 SCOTT BOULEVARD SANTA CLARA CA 95054 USA FAX + 1 (408) 980-9191 + 1 (408) 914-7878 WEB 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 4 |
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