SY100E195JY

NOT RECOMMENDED FOR NEW DESIGNS Micrel, Inc. PROGRAMMABLE DELAY CHIP FEATURES SY10E195 SY100E195 DESCRIPTION ■ Up to 2ns delay range ■ Extended 100E VEE range of –4.2V to –5.5V ■ ■ ■ ■ ■ ■ Precison Edge® SY10E195 Precison SY100E195 Edge® The SY10/100E195 are programmable delay chips (PDCs) designed primarily for clock de-skewing and timing adjustment. They provide variable delay of a differential ECL input transition. The delay section consists of a chain of gates organized as shown in the logic diagram. The first two delay elements feature gates that have been modified to have delays 1.25 and 1.5 times the basic gate delay of approximately 80ps. These two elements provide the E195 with a digitally-selectable resolution of approximately 20ps. The required device delay is selected by the seven address inputs D[0:6], which are latched on-chip by a high signal on the latch enable (LEN) control. If the LEN signal is either LOW or left floating, then the latch is transparent. Because the delay programmability of the E195 is achieved by purely differential ECL gate delays, the device will operate at frequencies of >1GHz, while maintaining over 600mV of output swing. The E195 thus offers very fine resolution, at very high frequencies, selectable entirely from a digital input, allowing for very accurate system clock timing. An eighth latched input, D7, is provided for cascading multiple PDCs for increased programmable range. The cascade logic allows full control of multiple PDCs, at the expense of only a single added line to the data bus for each additional PDC, without the need for any external gating. ≈20ps/digital step resolution >1GHz bandwidth On-chip cascade circuitry 75KkΩ input pulldown resistor Fully compatible with Motorola MC10E/100E195 Available in 28-pin PLCC package PIN NAMES Pin M9999-032006 hbwhelp@micrel.com or (408) 955-1690 Function IN/IN Signal Input EN Input Enable D[0:7] Mux Select Inputs Q/Q Signal Output LEN Latch Enable SET MIN Minimum Delay Set SET MAX Maximum Delay Set CASCADE Cascade Signal Rev.: H 1 Amendment: /0 Issue Date: March 2006 Precison Edge® SY10E195 SY100E195 Micrel, Inc. Ordering Information(1) D7 NC D5 D6 D2 D3 D4 PACKAGE/ORDERING INFORMATION 25 24 23 22 21 20 19 Part Number Package Type Operating Range Package Marking Lead Finish SY10E195JC Sn-Pb D1 26 18 NC SY10E195JC J28-1 Commercial D0 LEN 27 17 NC VCC SY10E195JCTR(2) J28-1 Commercial SY10E195JC Sn-Pb SY100E195JI J28-1 Industrial SY100E195JI Sn-Pb 28 16 TOP VIEW PLCC J28-1 VEE IN 2 14 Q SY100E195JITR(2) J28-1 Industrial SY100E195JI Sn-Pb IN 3 13 VBB 4 12 Q VCCO SY10E195JZ(3) J28-1 Commercial SY10E195JZ with Pb-Free bar-line indicator Matte-Sn SY10E195JZTR(2, 3) J28-1 Commercial SY10E195JZ with Pb-Free bar-line indicator Matte-Sn SY100E195JY(3) J28-1 Industrial SY100E195JY with Pb-Free bar-line indicator Matte-Sn SY100E195JYTR(2, 3) J28-1 Industrial SY100E195JY with Pb-Free bar-line indicator Matte-Sn 7 8 9 VCCO 10 11 CASCADE 6 NC NC 5 15 EN SET MIN SET MAX CASCADE 1 28-Pin PLCC (J28-1) 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 hbwhelp@micrel.com or (408) 955-1690 2 Precison Edge® SY10E195 SY100E195 Micrel, Inc. BLOCK DIAGRAM 1 0 1 1 *1.5 0 1 1 D1 0 1 1 D2 1 0 1 7-Bit Latch D3 4 gates D4 0 1 D5 8 gates D6 0 1 Q LEN Latch D D7 16 gates 0 1 Q Q 3 0 1 1 Cascade CASCADE CASCADE M9999-032006 hbwhelp@micrel.com or (408) 955-1690 VBB IN IN EN *1.25 LEN SET MIN SET MAX D0 *Delays are 25% or 50% longer than standard (standard = 80ps). Precison Edge® SY10E195 SY100E195 Micrel, Inc. DC ELECTRICAL CHARACTERISTICS VEE = VEE (Min.) to VEE (Max.); VCC = GND TA = 0°C Symbol Parameter IIH Input HIGH Current IEE Power Supply Current 10E 100E M9999-032006 hbwhelp@micrel.com or (408) 955-1690 TA = +25°C TA = +85°C Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Unit Condition — — 150 — — 150 — — 150 µA — mA — — — 130 130 156 156 — — 130 130 156 156 — — 130 150 156 179 4 Precison Edge® SY10E195 SY100E195 Micrel, Inc. AC ELECTRICAL CHARACTERISTICS VEE = VEE (Min.) to VEE (Max.); VCC = GND TA = 0°C Symbol tPD TA = +25°C TA = +85°C Parameter Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Unit Propagation Delay to Output IN to Q; Tap = 0 IN to Q; Tap = 127 EN to Q; Tap = 0 D7 to CASCADE 1210 3320 1250 300 1360 3570 1450 450 1510 3820 1650 700 1240 3380 1275 300 1390 3630 1475 450 1540 3880 1675 700 1440 3920 1350 300 1590 4270 1650 450 1765 4720 1950 700 2000 2175 — 2050 2240 — 2375 2580 — — — 55 115 250 505 1000 17 34 68 136 272 544 1088 — — 105 180 325 620 1190 — — 55 115 250 515 1030 17.5 35 70 140 280 560 1120 — — 105 180 325 620 1220 — — 65 140 305 620 1240 21 42 84 168 336 672 1344 — — 120 205 380 740 1450 tRANGE Programmable Range tPD (max.) – tPD (min.) ∆t Step Delay D0 High D1 High D2 High D3 High D4 High D5 High D6 High Condition ps — ps — ps 6 Lin Linearity D1 D0 — D1 D0 — D1 D0 — — 7 tskew Duty Cycle Skew, tPHL–tPLH — ±30 — — ±30 — — ±30 — ps 1 tS Set-up Time D to LEN D to IN EN to IN 200 800 200 0 — — — — — 200 800 200 0 — — — — — 200 800 200 0 — — — — — Hold Time LEN to D IN to EN 500 0 250 — — — 500 0 250 — — — 500 0 250 — — — Release Time EN to IN SET MAX to LEN SET MIN to LEN 300 800 800 — — — — — — 300 800 800 — — — — — — 300 800 800 — — — — — — —