SK1300 PECL / LVPECL to LVDS Translator HIGH PERFORMANCE PRODUCTS Description Features The SK1300 is a high speed PECL / LVPECL to LVDS translator. This device is designed to support frequency rates in excess of 800 MHz utilizing low voltage differential signaling (LVDS) technology. SK1300 operates over an extended supply range of 3.0 to 5.5V which allow either PECL or LVPECL signal at its inputs based on the supply voltage range. It also provides a new alternative to high power pseudo-ECL devices for high speed point-to-point interface using LVDS type signals. The SK1300 provides a VBB outputs for either singleended use or as a DC bias for AC coupling to the device. The VBB output should only be used as a bias for the SK1300 as its current sink/source capability is limited. Whenever used, the VBB output should be bypassed to VCC via a 0.01 mF capacitor. Extended Supply Voltage Range: (VCC = 3.0V to 5.5V; VEE = 0V) 800 MHz Min. Toggle Frequency Typical 350 mV Differential LVDS Output VBB Output for Single-ended Applications Internal Input Resistors; Pulldown on D, Pulldown and Pullup on D* ESD Protection > 4000V Specified Over Industrial Temperature Range: 40oC to 85oC Available in both 8 pin SOIC and MSOP Packages Flammability Rate: UL-94 code V-0 Moisture Sensitivity: Level 1 Pin Descriptions Under open input condition, the pulldown on D and pullup and pulldown on D* will force the Q output low and Q* output high. Pin Name Function D, D * D i f f e r e n t i a l P E C L / LV P E C L i n p u t s Q, Q* D i f f e r e n t i a l LV D S O u t p u t s VBB R e f e r e n c e O u t p u t Vo l t a g e Functional Block Diagram NC 1 8 VCC 7 Q 6 Q* 5 VEE 36.5K D 2 75K D* 3 VBB 4 75K Revision 1/December 3, 2001 1 www.semtech.com SK1300 HIGH PERFORMANCE PRODUCTS Package Information 8 Pin SOIC Package TOP VIEW END VIEW D A 8 C 5 H E 0.25 M B M 1 4 h x 45o B q e A Seating Plane C L 0.10 A1 B 0.25 M C B S A S MILLIMETERS DIM MIN MAX A 1.35 1.75 A1 0.10 0.25 B 0.33 0.51 C 0.19 0.25 D 4.80 5.00 E 3.80 4.00 e 1.27 BSC H 5.80 6.20 h 0.25 0.50 L 0.40 1.27 q 0o 8o Revision 1/December 3, 2001 NOTES: 1. Dimensions are in millimeters. 2. Dimensions D and E do no include mold protrusion. 3. Maximum mold protrusion 0.15 per side. 4. Dimension B does not include Dambar protrusion. Allowable Dambar protrusion shall be 0.127 total in excess of the B dimension at maximum material condition. 2 www.semtech.com SK1300 HIGH PERFORMANCE PRODUCTS Package Information (continued) 8 Pin MSOP Package TOP VIEW 8 BOTTOM VIEW 5 H E 1 4 B END VIEW e DETAIL A A L D q See Detail A C MILLIMETERS Revision 1/December 3, 2001 DIM MIN MAX A 0.94 1.1 B 0.25 0.40 C 0.13 0.23 D 2.90 3.10 E 2.90 3.10 e 0.65 BSC H 4.75 5.1 L 0.4 0.7 θ 0o 6 3 NOTES: 1. Dimensions are in mm 2. Controlling dimension: mm 3. Dimension does not include mold flash or protrusions, either of which shall not exceed 0.20 o www.semtech.com SK1300 HIGH PERFORMANCE PRODUCTS Absolute Maximum Ratings Sy mbol Pa r a m e t e r Va l u e Uni t V EE P o w e r S u p p l y ( V CC = 0 V ) -6.0 to 0 V V CC P o w e r S u p p l y ( V EE = 0 V ) 6.0 to 0 V VI I n p u t Vo l t a g e ( V CC = 0 V, V I n o t m o r e n e g a t i v e t h a n V EE) -6.0 to 0 V VI I n p u t Vo l t a g e ( V EE = 0 V, V I n o t m o r e p o s i t i v e t h a n V CC) 6.0 to 0 V I OUT Output Cur rent Continuous Surge 50 100 mA mA TA O p e r a t i n g Te m p e r a t u r e R a n g e -40 to +85 oC T st g S t o r a g e Te m p e r a t u r e -65 to +150 oC q JA f o r S O I C Ther mal Resi st anc e ( J unc t i on- t o- Ambi ent ) Still Air 153.7 oC / W q JC f o r S O I C Ther mal Resi st anc e ( J unc t i on- t o- Case) 41.2 oC / W q JA f o r M S O P Ther mal Resi st anc e ( J unc t i on- t o- Ambi ent ) Still Air 5 0 0 l f p m ( > 2 l ay e r s ) 206.3 140 oC / W oC / W q JC f o r M S O P Ther mal Resi st anc e ( J unc t i on- t o- Case) 39.1 oC / W T sol S o l d e r Te m p e r a t u r e ( < 2 t o 3 s e c o n d s : 2 4 5 oC d e s i r e d ) 265 oC * Maximum Ratings are those values beyond which damage to the device may occur. DC Characteristics SK1300 LVDS Outputs DC Electrical Characteristics (VCC = +3.0V to +5.5V; VEE = 0V) TA = - 40oC TA = 0oC TA = + 25oC Symbol Characteristic Min Typ Max Min Typ Max Min VOH 4 Output High Voltage 1.25 1.8 1.25 VOL 4 Output Low Voltage 0.95 1.5 0.95 RO Output Impedance 15 DV O U T Peak-to-Peak Voltage 1 Revision 1/December 3, 2001 7 0 15 250 350 470 250 Max Min 1.8 1.25 1.8 1.5 0.95 70 15 350 470 4 250 Typ TA = + 85oC 350 Max Unit 1.25 1.8 V 1.5 0.95 1.5 V 70 15 70 W 470 mV 470 250 Typ 350 www.semtech.com SK1300 HIGH PERFORMANCE PRODUCTS DC Characteristics (Continued) SK1300 PECL / LVPECL Input DC Electrical Characteristics (VCC = +3.0V to +5.5V; VEE = 0V) TA = - 40oC TA = 0oC TA = + 25oC TA = + 85oC S y mb o l C h a r a c t e r i s t i c Mi n Ma x Mi n Ma x Mi n Ma x Mi n Ma x Uni t I IN I nput Cur rent - 150 150 - 150 150 - 150 150 - 150 150 µA VBB Out put Ref er enc e Vol t age 3. 62 1. 92 3. 74 2. 04 3. 62 1. 92 3. 74 2. 04 3. 62 1. 92 3. 74 2. 04 3. 62 1. 92 3. 74 2. 04 V V VCC = 5. 0V VCC = 3. 3V V IH I nput HI GH Vol t age 3835 2135 4120 2420 3835 2135 4120 2420 3835 2135 4120 2420 3835 2135 4120 2420 mV mV VCC = 5. 0V VCC = 3. 3V V IL I nput LOW Vol t age 3190 1490 3525 1825 3190 1490 3525 1825 3190 1490 3525 1825 3190 1490 3525 1825 mV mV VCC = 5. 0V VCC = 3. 3V I EE Suppl y Cur rent 50 mA 50 50 50 Co n d AC Characteristics SK1300 AC Electrical Characteristics (VCC = +3.0V to +5.5V; VEE = 0V) TA = - 4 0 oC Min FMAX M a x To g g l e Fr e q u e n c y 3 800 tPLH tPHL P r o p a g a t i o n D e l ay D to Q 450 780 500 820 500 850 500 950 ps VPP M i n i m u m Pe a k - t o - Pe a k I n p u t 200 1000 200 1000 200 1000 200 1000 mV VCMR Common Mode Range 2 VEE+1.7 VCC-0.4 VEE+1.7 VCC-0.4 VEE+1.7 VCC-0.4 VEE+1.7 VCC-0.4 V t r, t f O u t p u t R i s e / Fa l l 120 320 120 330 130 350 150 450 ps 3. 4. Max 800 Min Max TA = + 8 5 oC Characteristic 2. Min TA = + 2 5 oC Symbol Notes: 1. Max TA = 0 oC 800 Min Max 800 Unit MHz DVOUT is obtained as follows: Voltages of Q and Q* outputs with respect with VEE are measured. The absolute difference between the high and the low is equal to DVOUT. 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. The lower end of the CMR range varies 1:1 with VEE and is equal to VEE + 1.7V. 250 mV minimum output peak-to-peak swing for Max Toggle Frequency. Output test conditions: 100W termination resistor between Q and Q*. Revision 1/December 3, 2001 5 www.semtech.com SK1300 HIGH PERFORMANCE PRODUCTS Ordering Information Or d e r i n g Co d e Package ID Temperature Range SK1300D 8- SOI C I ndust r i al SK1300DT 8- SOI C I ndust r i al S K 1 3 0 0 MS 8 - MS O P I ndust r i al S K 1 3 0 0 MS T 8 - MS O P I ndust r i al The letter “T” stands for tape and reel. For tape and reel information refer to the HPP Part Ordering Information Data Sheet. Marking Information 8 PIN SOIC PACKAGE 8 PIN MSOP PACKAGE Function Code / Part Number Function Code / Part Number K S 1 3 0 1 0 3 0 0 Assembly Lot Number Assembly Lot Number Y Y W W Assembly Date Code YY: Last two digits of the Year WW: Working Week Application Notes AN1003 AN1004 - Termination Techniques for ECL / LVECL / PECL / LVPECL Devices Interfacing Between LVDS and ECL / LVECL / PECL / LVPECL Contact Information Division Headquarters 10021 Willow Creek Road San Diego, CA 92131 Phone: (858) 695-1808 FAX: (858) 695-2633 Revision 1/December 3, 2001 Semtech Corporation High-Performance Products Division 6 1111 Santa Phone: FAX: Marketing Group Comstock Street Clara, CA 95054 (408) 566-8776 (408) 727-8994 www.semtech.com