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| DIFFERENTIAL DATA AND CLOCK D FLIP-FLOP SY10EL52 SY100EL52 FEATURES s s s s 365ps propagation delay 2.0GHz toggle frequency Internal 75K input pull-down resistors Available in 8-pin SOIC package DESCRIPTION The SY10/100EL52 are differential data, differential clock D flip-flops. These devices are functionally equivalent to the E452 devices, with higher performance capabilities. With propagation delays and output transition times significantly faster than the E452, the EL52 is ideally suited for those applications which require the ultimate in AC performance. Data enters the master portion of the flip-flop when the clock is LOW and is transferred to the slave, and thus the outputs, upon a positive transition of the clock. The differential clock inputs also allow the EL52 to be used as a negative edge triggered device. The EL52 employs input clamping circuitry so that, under open input conditions (pulled down to VEE), the outputs of the device will remain stable. PIN CONFIGURATION/BLOCK DIAGRAM D D CLK CLK 1 2 3 4 D 8 7 Flip-Flop 6 5 VCC Q Q VEE SOIC TOP VIEW PIN NAMES Pin D CLK Q Data Input Clock Input Data Output Function TRUTH TABLE(1) D L H NOTE: 1. Z = LOW-to-HIGH transition. CLK Z Z Q L H Rev.: F Amendment: /0 1 Issue Date: August, 1998 Micrel SY10EL52 SY100EL52 DC ELECTRICAL CHARACTERISTICS VEE = VEE (Min.) to VEE (Max.); VCC = GND TA = -40C Symbol IEE VEE IIH Parameter Power Supply 10EL Current 100EL Power Supply 10EL Voltage 100EL Input HIGH Current Min. -- -- -4.75 -4.20 -- Typ. 21 21 -5.2 -4.5 -- Max. 25 25 -5.5 -5.5 150 Min. 17 17 -4.75 -4.20 -- TA = 0C Typ. 21 21 -5.2 -4.5 -- Max. 25 25 -5.5 -5.5 150 17 17 -4.75 -4.20 -- TA = +25C Min. Typ. 21 21 -5.2 -4.5 -- Max. 25 25 -5.5 -5.5 150 17 19 -4.75 -4.20 -- TA = +85C Min. Typ. 21 24 -5.2 -4.5 -- Max. 25 29 -5.5 -5.5 150 Unit mA V A AC ELECTRICAL CHARACTERISTICS VEE = VEE (Min.) to VEE (Max.); VCC = GND TA = -40C Symbol fMAX tPLH tPHL tS tH tPW VPP VCMR Parameter Maximum Toggle Frequency Propagation Delay to Output CLK Set-up Time Hold Time Minimum Pulse Width Minimum Input Common Mode D (10EL) D (100EL) CLK (10EL) CLK (100EL) Swing(1) Range(2) -0.4 -0.4 -0.6 -0.8 -- -- -- -- 225 -1.6 -1.2 (3) (3) 350 -0.4 -0.4 -0.6 -0.8 100 -- -- -- -- 225 -1.6 -1.2 (3) (3) 350 -0.4 -0.4 -0.6 -0.8 100 -- -- -- -- 225 -1.6 -1.2 (3) (3) 350 -0.4 -0.4 -0.6 -0.8 100 -- -- -- -- 225 -1.6 -1.2 (3) (3) 350 ps Min. 1.8 Typ. 2.5 Max. -- Min. 2.2 TA = 0C Typ. 2.8 Max. -- 2.2 TA = +25C Min. Typ. 2.8 Max. -- 2.2 TA = +85C Min. Typ. 2.8 Max. -- Unit GHz ps 235 125 150 400 150 335 0 50 -- -- 515 -- -- -- -- 275 125 150 400 150 365 0 50 -- -- 465 -- -- -- -- 275 125 150 400 150 365 0 50 -- -- 465 -- -- -- -- 320 125 150 400 150 410 0 50 -- -- 510 -- -- -- -- ps ps ps mV V tr tf Output Rise/Fall Times Q 100 (20% to 80%) NOTES: 1. Minimum input swing for which AC parameters are guaranteed. 2. 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. 3. The lower end of the CMR range is dependent on VEE and is equal to VEE + 3.0V. PRODUCT ORDERING CODE Ordering Code SY10EL52ZC SY10EL52ZCTR SY100EL52ZC SY100EL52ZCTR Package Type Z8-1 Z8-1 Z8-1 Z8-1 Operating Range Commercial Commercial Commercial Commercial 2 Micrel SY10EL52 SY100EL52 8 LEAD SOIC .150" WIDE (Z8-1) Rev. 03 3 Micrel SY10EL52 SY100EL52 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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