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| Micrel, Inc. 3-BIT DIFFERENTIAL FLIP-FLOP SY10E431 SY100E431 SY10E431 SY100E431 FEATURES s Differential D, clock and Q s Extended 100E VEE range of -4.2V to -5.5V s VBB output for single-ended use s 1100MHz min. toggle frequency s Edge-triggered asynchronous set and reset s Fully compatible with Motorola MC10E/100E431 s Available in 28-pin PLCC package DESCRIPTION The SY10/100E431 are 3-bit flip-flops with differential clock, data input and data output. The asynchronous Set and Reset controls are edgetriggered rather than level controlled. This allows the user to rapidly set or reset the flip-flop and then continue clocking at the next clock edge without the necessity of de-asserting the set/reset signal (as would be the case with a level controlled set/reset). The E431 is also designed with larger internal swings, an approach intended to minimize the time spent crossing the threshold region and thus reduces the metastability susceptibility window. BLOCK DIAGRAM S0 D0 D0 CLK0 CLK0 R0 S1 D1 D1 CLK1 CLK1 R1 S2 D2 D2 CLK2 CLK2 R2 VBB D S Q Q R Q2 Q2 D S Q Q R Q1 Q1 D S Q Q R Q0 Q0 PIN NAMES Pin D[0:2], D[0:2] CLK[0:2], CLK[0:2] S[0:2] R[0:2] VBB Q[0:2], Q[0:2] VCCO Function Differential Data Inputs Differential Clock Inputs Edge Triggered Set Inputs Edge Triggered Reset Inputs VBB Reference Output Differential Data Outputs VCC to Output TRUTH TABLE(1) Dn L H X X CLKn Z Z L L Rn L L Z L Sn L L L Z Qn L H L H NOTE: 1. Z = LOW-to-HIGH transition. M9999-032206 hbwhelp@micrel.com or (408) 955-1690 Rev.: E Amendment: /0 1 Issue Date: March 2006 Micrel, Inc. SY10E431 SY100E431 PACKAGE/ORDERING INFORMATION CLK2 CLK2 D2 VBB Ordering Information(1) D2 R2 S2 Part Number 25 24 23 22 21 20 19 Package Type J28-1 J28-1 J28-1 J28-1 J28-1 J28-1 J28-1 J28-1 Operating Range Commercial Commercial Commercial Commercial Commercial Commercial Commercial Commercial Package Marking SY10E431JC SY10E431JC SY100E431JC SY100E431JC SY10E431JZ with Pb-Free bar-line indicator SY10E431JZ with Pb-Free bar-line indicator SY100E431JZ with Pb-Free bar-line indicator SY100E431JZ with Pb-Free bar-line indicator Lead Finish Sn-Pb Sn-Pb Sn-Pb Sn-Pb Matte-Sn Matte-Sn Matte-Sn Matte-Sn CLK1 CLK1 R1 VEE S1 D1 D1 26 27 28 1 2 3 4 5 6 7 8 9 10 11 18 17 Q2 Q2 VCC Q1 Q1 Q0 Q0 SY10E431JC SY10E431JCTR(2) SY100E431JC SY100E431JCTR(2) SY10E431JZ(3) SY10E431JZTR(2, 3) SY100E431JZ(3) SY100E431JZTR(2, 3) Notes: TOP VIEW PLCC J28-1 16 15 14 13 12 CLK0 CLK0 D0 D0 28-Pin PLCC (J28-1) VCCO R0 S0 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. M9999-032206 hbwhelp@micrel.com or (408) 955-1690 2 Micrel, Inc. SY10E431 SY100E431 DC ELECTRICAL CHARACTERISTICS VEE = VEE (Min.) to VEE (Max.); VCC = VCCO = GND TA = 0C Symbol VBB Parameter Output Reference Voltage 10E 100E Input HIGH Current Power Supply Current 10E 100E VCMR Common Mode Range -- -- -1.5 110 110 -- 132 132 0 -- -- -1.5 110 110 -- 132 132 0 -- -- -1.5 110 127 -- 132 152 0 V 1 Min. -1.38 -1.38 -- Typ. -- -- -- Max. Min. TA = +25C Typ. -- -- -- Max. TA = +85C Min. Typ. -- -- -- Max. -1.19 -1.26 150 A mA -- -- Unit V -1.27 -1.35 -1.26 -1.38 150 -- -1.25 -1.31 -1.26 -1.38 150 -- Condition -- IIH IEE 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. AC ELECTRICAL CHARACTERISTICS VEE = VEE (Min.) to VEE (Max.); VCC = VCCO = GND TA = 0C Symbol fMAX tPD Parameter Max. Toggle Frequency Propagation Delay to Output CLK (Diff) CLK (SE) R S Set-up Time D R S Hold Time, D Minimum Pulse Width, CLK Within-Device Skew Minimum Input Swing Rise/Fall Time 20% to 80% Min. 1100 450 400 550 550 200 1000 1000 200 400 -- 150 275 Typ. 1400 600 600 725 725 0 700 700 0 -- 50 -- 450 Max. -- 750 800 925 925 -- -- -- -- -- -- -- 650 Min. 1100 450 400 550 550 200 1000 1000 200 400 -- 150 275 TA = +25C Typ. 1400 600 600 725 725 0 700 700 0 -- 50 -- 450 Max. -- 750 800 925 925 -- -- -- -- -- -- -- 650 TA = +85C Min. 1100 450 400 550 550 200 1000 1000 200 400 -- 150 275 Typ. 1400 600 600 725 725 0 700 700 0 -- 50 -- 450 Max. -- 750 800 925 925 ps -- -- -- -- -- -- -- 650 ps ps ps mV ps 1 1 -- -- 2 3 -- Unit MHz ps Condition -- -- tS tH tPW tskew VPP (AC) tr tf Notes: 1. These set-up times define the minimum time the CLK or SET/RESET input must wait after the assertion of the RESET/SET input to assure the proper operation of the flip-flop. 2. Within-device skew is defined as identical transitions on similar paths through a device. 3. Minimum input swing for which AC parameters are guaranteed. M9999-032206 hbwhelp@micrel.com or (408) 955-1690 3 Micrel, Inc. SY10E431 SY100E431 28-PIN PLCC (J28-1) 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 data sheet 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. M9999-032206 hbwhelp@micrel.com or (408) 955-1690 4 |
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