5V/3.3V 1:9 DIFFERENTIAL CLOCK DRIVER (w/ENABLE) Micrel, Inc. Precision Edge® SY10E111AE/LE Precision Edge® SY100E111AE/LE SY10E111AE/LE SY100E111AE/LE FEATURES ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ 5V and 3.3V power supply options 200ps part-to-part skew 50ps output-to-output skew Differential design VBB output Enable Input Voltage and temperature compensated outputs 75KΩ input pulldown resistors Fully compatible with Motorola MC10/100E111 Available in 28-pin PLCC package Precision Edge® DESCRIPTION The SY10/100E111AE/LE are low skew 1-to-9 differential drivers designed for clock distribution in mind. The SY10/ 100E111AE/LE's function and performance are similar to the popular SY10/100E111, with the improvement of lower jitter and the added feature of low voltage operation. It accepts one signal input, which can be either differential or single-ended if the VBB output is used. The signal is fanned out to 9 identical differential outputs. An enable input is also provided such that a logic HIGH disables the device by forcing all Q outputs LOW and all Q outputs HIGH. The E111AE/LE is specifically designed, modeled and produced with low skew as the key goal. Optimal design and layout serve to minimize gate to gate skew within a device, and empirical modeling is used to determine process control limits that ensure consistent tpd distributions from lot to lot. The net result is a dependable, guaranteed low skew device. To ensure that the tight skew specification is met it is necessary that both sides of the differential output are terminated into 50Ω, even if only one side is being used. In most applications, all nine differential pairs will be used and therefore terminated. In the case where fewer that nine pairs are used, it is necessary to terminate at least the output pairs on the same package side as the pair(s) being used on that side, in order to maintain minimum skew. Failure to do this will result in small degradations of propagation delay (on the order of 10-20ps) of the output(s) being used which, while not being catastrophic to most designs, will mean a loss of skew margin. The E111AE/LE, as with most other ECL devices, can be operated from a positive VCC supply in PECL mode. This allows the E111AE/LE to be used for high performance clock distribution in +5V/+3.3V systems. Designers can take advantage of the E111AE/LE's performance to distribute low skew clocks across the backplane or the board. In a PECL environment, series or Thevenin line terminations are typically used as they require no additional power supplies. For systems incorporating GTL, parallel termination offers the lowest power by taking advantage of the 1.2V supply as terminating voltage. BLOCK DIAGRAM Q0 Q0 Q1 Q1 Q2 Q2 Q3 Q3 IN Q4 IN Q4 Q5 EN Q5 Q6 Q6 Q7 Q7 Q8 Q8 VBB PIN NAMES Pin Function IN, IN Differential Input Pair EN Enable Input Q0, Q0 — Q8, Q8 Differential Outputs VBB VBB Output VCCO VCC to Output Precision Edge is a registered trademark of Micrel, Inc. M9999-032006 [email protected] or (408) 955-1690 1 Rev.: G Amendment: /0 Rev. Date: March 2006 Precision Edge® SY10E111AE/LE SY100E111AE/LE Micrel, Inc. Q2 Ordering Information(1) Q1 Q2 Q1 VCCO Q0 Q0 PACKAGE/ORDERING INFORMATION Part Number 25 24 23 22 21 20 19 VEE 26 18 Industrial SY10E111AEJI Sn-Pb Industrial SY100E111AEJI Sn-Pb SY100E111AEJITR(2) J28-1 Industrial SY100E111AEJI Sn-Pb SY10E111AEJC J28-1 Commercial SY10E111AEJI Sn-Pb 13 4 12 Q5 8 9 10 11 Q6 Q6 7 VCCO Q7 6 Q8 Q8 Q7 5 28-Pin PLCC (J28-1) Sn-Pb J28-1 3 14 SY10E111AEJI J28-1 NC 15 Industrial SY100E111AEJI Q4 Q5 1 J28-1 Q3 Q4 VCCO 2 16 Lead Finish SY10E111AEJITR(2) IN VBB 17 Package Marking SY10E111AEJI 27 PLCC TOP VIEW J28-1 Operating Range Q3 EN IN VCC 28 Package Type SY10E111AEJCTR(2) J28-1 Commercial SY10E111AEJI Sn-Pb SY100E111AEJC J28-1 Commercial SY100E111AEJI Sn-Pb SY100E111AEJCTR(2) J28-1 Commercial SY100E111AEJI Sn-Pb SY10E111LEJI J28-1 Industrial SY10E111LEJI Sn-Pb SY10E111LEJITR(2) J28-1 Industrial SY10E111LEJI Sn-Pb SY100E111LEJI J28-1 Industrial SY100E111LEJI Sn-Pb SY100E111LEJITR(2) J28-1 Industrial SY100E111LEJI Sn-Pb SY10E111LEJC J28-1 Commercial SY10E111LEJI Sn-Pb SY10E111LEJCTR(2) J28-1 Commercial SY10E111LEJI Sn-Pb SY100E111LEJC J28-1 Commercial SY100E111LEJI Sn-Pb SY100E111LEJCTR(2) J28-1 Commercial SY100E111LEJI Sn-Pb SY10E111AEJY(3) J28-1 Industrial SY10E111AEJY with Matte-Sn Pb-Free bar-line indicator SY10E111AEJYTR(2, 3) J28-1 Industrial SY10E111AEJY with Matte-Sn Pb-Free bar-line indicator SY100E111AEJY(3) J28-1 Industrial SY100E111AEJY with Matte-Sn Pb-Free bar-line indicator SY100E111AEJYTR(2, 3) J28-1 Industrial SY100E111AEJY with Matte-Sn Pb-Free bar-line indicator SY10E111LEJY(3) J28-1 Industrial SY10E111LEJY with Matte-Sn Pb-Free bar-line indicator SY10E111LEJYTR(2, 3) J28-1 Industrial SY10E111LEJY with Matte-Sn Pb-Free bar-line indicator SY100E111LEJY(3) J28-1 Industrial SY100E111LEJY with Matte-Sn Pb-Free bar-line indicator SY100E111LEJYTR(2, 3) J28-1 Industrial SY100E111LEJY with Matte-Sn Pb-Free bar-line indicator Notes: 1. Contact factory for die availability. Dice are guaranteed at TA = 25°C, DC Electricals only. 2. Tape and Reel. 3. Pb-Free package is recommended for new designs. M9999-032006 [email protected] or (408) 955-1690 2 Precision Edge® SY10E111AE/LE SY100E111AE/LE Micrel, Inc. ECL DC ELECTRICAL CHARACTERISTICS VEE = VEE (Min.) to VEE (Max.); VCC = GND TA = –40°C Symbol VOH VOL VIH VIL VBB Parameter Min. TA = 0°C TA = +25°C TA = +85°C Typ. Max. Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Output HIGH Voltage 10EL –1080 100EL –1085 — — –890 –880 –1020 –1025 — — –840 –880 –980 –1025 — — –810 –880 –910 –1025 — — –720 –880 Output LOW Voltage 10EL –1950 100EL –1830 — — –1650 –1950 –1550 –1810 — — –1630 –1950 –1620 –1810 — — –1630 –1950 –1620 –1810 — — –1595 –1620 Input HIGH Voltage 10EL –1230 100EL –1165 — — –890 –880 –1170 –1165 — — –840 –880 –1130 –1165 — — –810 –880 –1060 –1165 — — –720 –880 Input LOW Voltage 10EL –1950 100EL –1810 — — –1500 –1950 –1475 –1810 — — –1480 –1950 –1475 –1810 — — –1480 –1950 –1475 –1810 — — –1445 –1475 Output Reference Voltage 10EL 100EL –1.43 –1.38 — — –1.30 –1.26 –1.38 –1.38 — — –1.27 –1.26 –1.35 –1.38 — — –1.25 –1.26 –1.31 –1.38 — — –1.19 –1.26 mV mV mV mV V IIH Input HIGH Current — — 150 — — 150 — — 150 — — 150 IIL Input LOW Current 10EL 100EL 0.5 0.5 — — — — 0.5 0.5 — — — — 0.5 0.5 — — — — 0.3 0.5 — — — — Power Supply Current 10EL 100EL — — — — 66 66 — — — — 66 66 — — — — 66 66 — — — — 66 78 IEE Notes: 1. Parametric values specified at: µA µA mA 5 volt Power Supply Range 3 volt Power Supply Range M9999-032006 [email protected] or (408) 955-1690 Unit 100E111AE Series: -4.2V to -5.5V. 10E111AE Series -4.75V to -5.5V. 10/100E111LE Series: -3.0V to -3.8V. 3 Precision Edge® SY10E111AE/LE SY100E111AE/LE Micrel, Inc. 3.3V PECL DC ELECTRICAL CHARACTERISTICS(1) VCC = +3.0V to +3.8V, VEE = GND TA = –40°C Symbol VOH VOL VIH VIL VBB IIH IIL IEE Parameter Output HIGH Voltage(2) 10EL 100EL Output LOW Voltage(2) 10EL 100EL Input HIGH Voltage(2) 10EL 100EL Input LOW Voltage(2) 10EL 100EL Output Reference Voltage(2) 10EL 100EL Input HIGH Current Input LOW Current 10EL 100EL Power Supply Current 10EL 100EL TA = 0°C TA = +25°C TA = +85°C Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. 2220 2215 — — 2110 2120 2280 2275 — — 2460 2420 2320 2275 — — 2490 2420 2390 2275 — — 2580 2420 1350 1470 — — 1650 1750 1350 1490 — — 1670 1680 1350 1490 — — 1670 1680 1350 1490 — — 1705 1680 2070 2135 — — 2410 2420 2130 2135 — — 2460 2420 2170 2135 — — 2490 2420 2240 2135 — — 2580 2420 1350 1490 — — 1800 1825 1350 1490 — — 1820 1825 1350 1490 — — 1820 1825 1350 1490 — — 1855 1825 1.87 1.92 — — — — 2.00 2.04 150 1.92 1.92 — — — — 2.03 2.04 150 1.95 1.92 — — — — 2.05 2.04 150 1.99 1.92 — — — — 2.11 2.04 150 0.5 0.5 — — — — 0.5 0.5 — — — — 0.5 0.5 — — — — 0.3 0.5 — — — — — — — — 66 66 — — — — 66 66 — — — — 66 66 — — — — 66 78 Unit mV mV mV mV V µA µA mA Notes: 1. Parametric values specified at: 3 volt Power Supply Range 10/100E111LE Series: 2. These values are for VCC = 3.3V. Level specifications will vary 1:1 with VCC. +3.0V to +3.8V. 5V PECL DC ELECTRICAL CHARACTERISTICS(1) VCC = VCC (Min.) to VCC (Max.); VEE = GND TA = –40°C Symbol VOH VOL VIH VIL VBB IIH IIL IEE Parameter Output HIGH Voltage(2) 10EL 100EL Output LOW Voltage(2) 10EL 100EL Input HIGH Voltage(2) 10EL 100EL Input LOW Voltage(2) 10EL 100EL Output Reference Voltage(2) 10EL 100EL Input HIGH Current Input LOW Current 10EL 100EL Power Supply Current 10EL 100EL Notes: 1. Parametric values specified at: TA = 0°C TA = +85°C Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. 3920 3915 — — 4110 4120 3980 3975 — — 4160 4120 4020 3975 — — 4190 4120 4090 3975 — — 4280 4120 3050 3170 — — 3350 3450 3050 3190 — — 3370 3380 3050 3190 — — 3370 3380 3050 3190 — — 3405 3380 3770 3835 — — 4110 4120 3830 3835 — — 4160 4120 3870 3835 — — 4190 4120 3940 3835 — — 4280 4120 3050 3190 — — 3500 3525 3050 3190 — — 3520 3525 3050 3190 — — 3520 3525 3050 3190 — — 3555 3525 3.57 3.62 — — — — 3.70 3.74 150 3.62 3.62 — — — — 3.73 3.74 150 3.65 3.62 — — — — 3.75 3.74 150 3.69 3.62 — — — — 3.81 3.74 150 0.5 0.5 — — — — 0.5 0.5 — — — — 0.5 0.5 — — — — 0.3 0.5 — — — — — — — — 66 66 — — — — 66 66 — — — — 66 66 — — — — 66 78 Unit mV mV mV mV V µA µA mA 5 volt Power Supply Range 2. These values are for VCC = 5V. Level specifications will vary 1:1 with VCC. M9999-032006 [email protected] or (408) 955-1690 TA = +25°C 4 100E111AE Series: 10E111AE Series +4.2V to +5.5V. +4.75V to +5.5V. Precision Edge® SY10E111AE/LE SY100E111AE/LE Micrel, Inc. AC ELECTRICAL CHARACTERISTICS(1) VEE = VEE (Min.) to VEE (Max.); VCC = GND TA = –40°C Symbol tPD Parameter TA = 0°C TA = +25°C TA = +85°C Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. 380 280 400 400 — — — — 680 780 900 900 430 330 450 450 — — — — 630 730 850 850 430 330 450 450 — — — — 630 730 850 850 430 330 450 450 — — — — 630 730 850 850 Propagation Delay to Output IN (differential)(2) IN (single-ended)(3) Enable(4) Disable(4) Unit ps tskew Within-Device Skew(5) Part-to-Part Skew (Diff.) — — — — 75 250 — — — — 50 200 — — — — 50 200 — — — — 50 200 ps tS Set-up Time, EN to IN(6) 250 — 0 200 0 — 200 0 — 200 0 — ps 0 — –200 0 –200 — 0 –200 — 0 –200 — ps tH Hold Time, IN to tR EN(7) Release Time, EN to IN(8) 350 — 100 300 100 — 300 100 — 300 100 — ps Minimum Input Swing(9) 250 — — 250 — — 250 — — 250 — — mV VCMR Common Mode Range(10) –1.5 — –0.4 –1.5 — –0.4 –1.5 — –0.4 –1.5 — –0.4 V tr tf Rise/Fall Times 20% to 80% 200 — 650 200 — 600 200 — 600 200 — 600 ps VPP Notes: 1. Parametric values specified at: 5 volt Power Supply Range 100E111AE Series: -4.2V to -5.5V. 10E111AE Series -4.75V to -5.5V. 3 volt Power Supply Range 10/100E111LE Series: -3.0V to -3.8V. 2. The differential propagation delay is defined as the delay from the crossing points of the differential input signals to the crossing point of the differential output signals. 3. The single-ended propagation delay is defined as the delay from the 50% point of the input signal to the 50% point of the output signal. 4. Enable is defined as the propagation delay from the 50% point of a negative transition on EN to the 50% point of a positive transition on Q (or a negative transition on Q). Disable is defined as the propagation delay from the 50% point of a positive transition on EN to the 50% point of a negative transition on Q (or a positive transition on Q). 5. The within-device skew is defined as the worst case difference between any two similar delay paths within a single device. 6. The set-up time is the minimum time that EN must be asserted prior to the next transition of IN/IN to prevent an output response greater than ±75mV to that IN/IN transition (see Figure 1). 7. The hold time is the minimum time that EN must remain asserted after a negative going IN or a positive going IN to prevent an output response greater than ±75mV to that IN/IN transition (see Figure 2). 8. The release time is the minimum time that EN must be de-asserted prior to the next IN/IN transition to ensure an output response that meets the specified IN to Q propagation delay and output transition times (see Figure 3). 9. VPP (min) is defined as the minimum input differential voltage which will cause no increase in the propagation delay. The VPP (min) is AC limited for the E111AE/LE, as a differential input as low as 50mV will still produce full ECL levels at the output. 10. VCMR is defined as the range within the VIH level may vary, with the device still meeting the propagation delay specification. the VIL level must be such that the peak-to-peak voltage is less than 1.0V and greater than or equal to VPP (min). For PECL operation: VCMR (max) = VCC – |VCMR (max)| and VCMR (min) = VCC – |VCMR (min)| TIMING DIAGRAMS IN IN IN IN ts 50% 75 mV Q Q Q Q Q Q 75 mV M9999-032006 [email protected] or (408) 955-1690 tr EN 50% 75 mV Figure 1. Set-up Time IN th EN 50% EN IN 75 mV Figure 2. Hold Time 5 Figure 3. Release Time Precision Edge® SY10E111AE/LE SY100E111AE/LE Micrel, Inc. 28-PIN PLCC (J28-1) Rev. 03 MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 TEL + 1 (408) 944-0800 FAX + 1 (408) 474-1000 WEB USA 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. © 2006 Micrel, Incorporated. M9999-032006 [email protected] or (408) 955-1690 6