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| 5V/3.3V DUAL DIFFERENTIAL DATA AND CLOCK D FLIP-FLOP w/SET AND RESET FEATURES s 3.3V and 5V power supply option s Differential D, CLK and Q s Extended VEE range of -3.0V to -5.5V s s s s VBB output for single-ended use 1100MHz min. toggle frequency Asynchronous Reset and Set Fully compatible with Motorola MC100LVEL29 and MC100EL29 s Available in 20-pin SOIC package ClockWorksTM SY100EL29V DESCRIPTION The SY100EL29V is a dual differential register with differential data (inputs and outputs) and clock. The registers are triggered by a positive transition of the positive clock (CLK) input. A HIGH on the Reset (Rx) asynchronously resets the appropriate register so that the Q outputs go LOW. A HIGH on the Set (Sx) asynchronously resets the appropriate register so that the Q outputs go HIGH. The Set and Reset inputs cannot both be HIGH simultaneously. The differential input structures are clamped so that the inputs of unused registers can be left open without upsetting the bias network of the devices. The clamping action will assert the /D and the /CLK sides of the inputs. The noninverting input will pull down to VEE and the inverting input will be biased around VCC/2. Because of the edge-triggered flip-flop nature of the devices, simultaneously opening both the clock and data inputs will result in an output which reaches an unidentified but valid state. The fully differential design of the devices makes them ideal for very high frequency applications where a registered data path is necessary. PIN CONFIGURATION/BLOCK DIAGRAM R0 VCC Q0 20 19 18 Q R D Q S CLK Q0 17 S0 16 S1 VCC Q1 15 14 13 Q S D Q R CLK Q1 VEE 12 11 1 D0 2 3 4 5 6 7 8 9 10 D0 CLK0 CLK0 VBB D1 D1 CLK1 CLK1 R1 SOIC TOP VIEW PIN NAMES Pin CLK, /CLK D[0:1], /D[0:1] Q[0:1], /Q[0:1] R0, R1 S0, S1 VBB VCC VEE Function Differential Clock Inputs Differential Data Inputs Differential Data Outputs Reset Inputs Set Inputs VBB Reference Output VCC VEE TRUTH TABLE R L L H L H S L L L H H D L H X X X CLK Z Z X X X Q L H L H Undef /Q H L H L Undef NOTE: Z = LOW-to-HIGH Transition Rev.: B Amendment: /0 1 Issue Date: February 2000 Micrel ClockWorksTM SY100EL29V ABSOLUTE MAXIMUM RATINGS(1) Symbol VEE VI(3) IOUT Power Supply (VCC = 0V) Input Voltage (VCC = 0V) Output Current -Continuous -Surge Operating Temperature Range Operating Range(1),(2) Rating Value -8.0 to 0 0 to -6.0 50 100 -40 to +85 -5.7 to -3.0 Unit VDC VDC mA C V TA VEE NOTES: 1. Absolute maximum rating, beyond which, device life may be impaired, unless otherwise specified on an individual data sheet. 2. Parametric values specified at: 100EL29V Series: -3.0V to -5.5V. 3. In PECL mode operation, VI (Max) = VCC. DC ELECTRICAL CHARACTERISTICS VEE = -3.0V to +5.5V; VCC = GND TA = -40C Symbol IEE IIH IIL VBB Parameter Power Supply Current Input HIGH Current Input LOW Current /CLK, /Dn Output Reference Voltage Min. -- -- 0.5 -300 -1.38 Max. 50 150 -- -- -1.26 TA = 0C Min. -- -- 0.5 -300 -1.38 Max. 50 150 -- -- -1.26 Min. -- -- 0.5 -300 -1.38 TA = +25C Typ. 30 -- -- -- -- Max. 50 150 -- -- -1.26 TA = +85C Min. -- -- 0.5 -300 -1.38 Max. 50 150 -- -- -1.26 Unit mA A A V 2 Micrel ClockWorksTM SY100EL29V AC ELECTRICAL CHARACTERISTICS VEE = -3.0V to +5.5V; VCC = GND TA = -40C Symbol fMAX tPLH tPHL tS tH tRR tPW VCMR Parameter Max. Toggle Frequency Propagation Delay to Output Set-Up Time, D Hold Time, D Reset Recovery Time Minimum Pulse Width CLK, Set, Reset Common Mode Range(1) <500mV 500mV Minimum Input Swing(2) Output Rise/Fall Time Q (20-80%) CLK S, R Min. 1.1 480 450 200 150 300 400 Max. -- 680 670 -- -- -- -- TA = 0C Min. 1.1 490 450 200 150 300 400 Max. -- 690 670 -- -- -- -- Min. 1.1 500 450 200 150 300 400 TA = +25C Typ. -- -- -- -- -- -- -- Max. -- 700 670 -- -- -- -- TA = +85C Min. 1.1 520 450 200 150 300 400 Max. -- 720 670 -- -- -- -- Unit GHz ps ps ps ps ps V -2.0 -1.8 150 280 -0.4 -0.4 -- 550 -2.1 -1.9 150 280 -0.4 -0.4 -- 550 -2.1 -1.9 150 280 -- -- -- 330 -0.4 -0.4 -- 550 -2.1 -1.9 150 280 -0.4 -0.4 -- 550 mV ps VPP (AC) tr tf NOTES: 1. VCMR is referenced to the most positive side of the differential input signal. Normal operation is obtained when the input signals are within the VCMR range and the input swing is greater than VPP(Min.) and <1V. The lower end of the VCMR 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)|. 2. Minimum input swing for which AC parameters are guaranteed. PRODUCT ORDERING CODE Ordering Code SY100EL29VZC SY100EL29VZCTR Package Type Z20-1 Z20-1 Operating Range Commercial Commercial 3 Micrel ClockWorksTM SY100EL29V 20 LEAD SOIC .300" WIDE (Z20-1) Rev. 03 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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