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Micrel, Inc.
3.3V SINGLE SUPPLY QUAD PECL-TO-TTL OUTPUT ENABLE
Precision Edge(R) SY10H842L Precision SY100H842L Edge(R)
SY10H842L SY100H842L
FEATURES
3.3V power supply Translates positive ECL-to-TTL (PECL-to-TTL) 300ps pin-to-pin skew 500ps part-to-part skew Differential internal design for increased noise immunity and stable threshold inputs VBB reference output Single supply Enable input Extra TTL and ECL power/ground pins to reduce cross-talk/noise High drive capability: 24mA each output Fully compatible with industry standard 10K, 100K I/O levels Available in 16-pin SOIC package Precision Edge(R)
DESCRIPTION
The SY10/100H842L are single supply, low skew translating 1:4 clock drivers. The devices feature a 24mA TTL output stage, with AC performance specified into a 20pF load capacitance. A HIGH on the enable pin (EN) forces all outputs LOW. As frequencies increase to 40MHz and above, precise timing and shaping of clock signals becomes extremely important. The H842 solves several clock distribution problems such as minimizing skew 300ps), maximizing clock fanout (24mA drive), and precise duty cycle control through a proprietary differential internal design. The 10K version is compatible with 10KH ECL logic levels. The 100K version is compatible with 100K levels.
BLOCK DIAGRAM
TTL Outputs
PIN NAMES
Pin GT Function TTL Ground (0V) TTL VCC (+3.3V) ECL VCC (+3.3V) ECL Ground (0V) Signal Input (PECL) VBB Reference Output (PECL) Signal Outputs (TTL) Enable Input (PECL)
Q0
VT VE GE
Q1
D, D VBB Q0 - Q3 EN
Q2
Q3 ECL Input D D VBB EN
Precision Edge is a registered trademark of Micrel, Inc. M9999-102606 hbwhelp@micrel.com or (408) 955-1690
Rev.: F Amendment: /0
1
Issue Date: October 2006
Micrel, Inc.
Precision Edge(R) SY10H842L SY100H842L
PACKAGE/ORDERING INFORMATION
Ordering Information(1)
GT EN GE VE D D VBB GT 1 2 3 4 5 6 7 8 SOIC Z16-1 16 15 14 13 12 11 10 9 Q3 GT Q2 VT VT Q1 GT Q0 SY10H842LZHTR(2, 3) SY100H842LZG(3) SY100H842LZGTR(2, 3)
Notes: 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.
Part Number SY10H842LZC SY10H842LZCTR(2) SY100H842LZC SY100H842LZCTR(2) SY10H842LZH(3)
Package Type Z16-1 Z16-1 Z16-1 Z16-1 Z16-1 Z16-1 Z16-1 Z16-1
Operating Range Commercial Commercial Commercial Commercial Commercial Commercial Industrial Industrial
Package Marking SY10H842LZC SY10H842LZC SY100H842LZC SY100H842LZC
Lead Finish Sn-Pb Sn-Pb Sn-Pb Sn-Pb
SY10H842LZH with NiPdAu Pb-Free bar-line indicator Pb-Free SY10H842LZH with NiPdAu Pb-Free bar-line indicator Pb-Free SY100H842LZG with NiPdAu Pb-Free bar-line indicator Pb-Free SY100H842LZG with NiPdAu Pb-Free bar-line indicator Pb-Free
16-Pin SOIC (Z16-1)
M9999-102606 hbwhelp@micrel.com or (408) 955-1690
2
Micrel, Inc.
Precision Edge(R) SY10H842L SY100H842L
TRUTH TABLE
D L H X EN L L H Q L H L
PIN DESCRIPTION
Pin 1 2 3 4 Symbol GT EN GE VE D D VBB GT Q0 GT Q1 VT VT Q2 GT Q3 Description TTL Ground (0V) Enable Input (PECL) ECL Ground (0V) ECL VCC (+3.3V) ECL Signal Input (Non-inverting) ECL Signal Input (Inverting) VBB Reference Output (PECL) TTL Ground (0V) Signal Output (TTL) TTL Ground (0V) Signal Output (TTL) TTL VCC (+3.3V) TTL VCC (+3.3V) Signal Output (TTL) TTL Ground (0V) Signal Output (TTL)
ABSOLUTE MAXIMUM
Symbol VE (ECL) VT (TTL) VI (ECL) VOUT (TTL) TLEAD Tstore TA Rating Power Supply Voltage Input Voltage
RATINGS(1)
Value -0.5 to +7.0 -0.5 to +7.0 0.0 to VEE 0.0 to VT +260 -65 to +150 0 to +85 -40 to +85 Unit V V C C C C
5 6 7 8 9 10 11 12 13 14 15 16
Lead Temperature Range (soldering, 20sec.) Storage Temperature Operating Temperature SY10H842L SY100H842L
Note: 1. Permanent device damage may occur if absolute maximum ratings are exceeded. This is a stress rating only and functional operation is not implied at conditions other than those detailed in the operational sections of this data sheet. Exposure to absolute maximum ratlng conditions for extended periods may affect device reliability.
DC CHARACTERISTICS
VT = VE = +3.0V to +3.6V
TA = 0C Symbol IEE ICCH ICCL Parameter Power Supply Current Power Supply Current ECL TTL Min. -- -- -- Max. 35 20 25 TA = +25C Min. -- -- -- Max. 35 20 25 TA = +85C Min. -- -- -- Max. 35 20 25 Unit mA mA Condition VE Pin Total all VT pins
TTL DC ELECTRICAL CHARACTERISTICS
VT = VE = +3.0V to +3.6V
TA = 0C Symbol VOH VOL IOS Parameter Output HIGH Voltage Output LOW Voltage Output Short Circuit Current Min. 2.0 -- -80 Max. -- 0.5 -- TA = +25C Min. 2.0 -- -80 Max. -- 0.5 -- TA = +85C Min. 2.0 -- -80 Max. -- 0.5 -- Unit V V mA Condition IOH = -3.0mA IOL = 24mA VOUT = 0V
M9999-102606 hbwhelp@micrel.com or (408) 955-1690
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Micrel, Inc.
Precision Edge(R) SY10H842L SY100H842L
10H ECL DC ELECTRICAL CHARACTERISTICS
VT = VE = +3.0V to +3.6V
TA = 0C Symbol IIH IIL VIH VIL VBB Parameter Input HIGH Current Input LOW Current Input HIGH Voltage Input LOW Voltage Output Reference Voltage Min. -- 0.5 2.130 1.350 1.920 Max. 225 -- 2.460 1.820 2.030 TA = +25C Min. -- 0.5 2.170 1.350 1.950 Max. 175 -- 2.490 1.820 2.050 TA = +85C Min. -- 0.5 2.240 1.350 1.990 Max. 175 -- 2.580 1.855 2.111 Unit A A V V V -- VE = 3.3V VE = 3.3V VE = 3.3V Condition
Note: 1. ECL VIH, VIL and VBB are referenced to VCCE and will vary 1:1 with the power supply. The levels shown are for IVT = IVO = VCCE = +3.3V.
100H ECL DC ELECTRICALCHARACTERISTICS
VT = VE = +3.0V to +3.6V
TA = 0C Symbol IIH IIL VIH VIL VBB Parameter Input HIGH Current Input LOW Current Input HIGH Voltage Input LOW Voltage Output Reference Voltage Min. -- 0.5 2.135 1.490 1.920 Max. 225 -- 2.420 1.825 2.040 TA = +25C Min. -- 0.5 2.135 1.490 1.920 Max. 175 -- 2.420 1.825 2.040 TA = +85C Min. -- 0.5 2.135 1.490 1.920 Max. 175 -- 2.420 1.825 2.040 Unit A A V V V Condition -- -- VE = 3.3V VE = 3.3V VE = 3.3V
Note: 1. ECL VIH, VIL and VBB are referenced to VCCE and will vary 1:1 with the power supply. The levels shown are for IVT = IVO = VCCE = +3.3V.
AC CHARACTERISTICS
VT = VE = +3.0V to +3.6V
TA = 0C Symbol tPLH tPHL tskpp tskew++ tskew- - tPLH tPHL tr tf fMAX Parameter Propagation Delay D to Output Part-to-Part Skew(1,4) Within-Device Within-Device Skew(2,4) Skew(3,4) Q0-Q3 Q0-Q3 Q0-Q3 Q0-Q3 Q0-Q3 Q0-Q3 Q0-Q3 Min. 2.2 -- -- -- 2.2 -- 160 Max. 3.2 0.5 0.3 0.3 3.2 1.5 -- TA = +25C Min. 2.1 -- -- -- 2.1 -- 160 Max. 3.1 0.5 0.3 0.3 3.1 1.5 -- TA = +85C Min. 2.0 -- -- -- 2.0 -- 160 Max. 3.0 0.5 0.3 0.3 3.0 1.5 -- Unit ns ns ns ns ns ns MHz Condition CL = 20pF CL = 20pF CL = 20pF CL = 20pF CL = 20pF CL = 20pF CL = 20pF
Propagation Delay EN to Output Output Rise/Fall Time 1.0V to 2.0V Max. Input Frequency(5,6)
Notes: 1. Device-to-Device Skew considering HIGH-to-HIGH transitions at common VCC level. 2. Within-Device Skew considering HIGH-to-HIGH transitions at common VCC level. 3. Within-Device Skew considering LOW-to-LOW transitions at common VCC level. 4. All skew parameters are guaranteed but not tested. 5. Frequency at which output levels will meet a 0.8V to 2.0V minimum swing. 6. The fMAX value is specified as the minimum guaranteed maximum frequency. Actual operational maximum frequency may be greater.
M9999-102606 hbwhelp@micrel.com or (408) 955-1690
4
Micrel, Inc.
Precision Edge(R) SY10H842L SY100H842L
TTL SWITCHING CIRCUIT
VEE USE 0.1F CAPACITORS FOR DECOUPLING. PECL 50 COAX PULSE GENERATOR IN DEVICE UNDER TEST TTL OUT 450 VCC & VCCO
50 COAX
50 COAX
USE OSCILLOSCOPE INTERNAL 50 LOAD FOR TERMINATION.
CH A OSCILLOSCOPE
CH B
ECL/TTL PROPAGATION DELAY -- SINGLE ENDED
50% VIN Tpd++ 1.5V VOUT Tpd- -
ECL/TTL WAVEFORMS: RISE AND FALL TIMES
2.0V VOUT Trise Tfall 0.8V
M9999-102606 hbwhelp@micrel.com or (408) 955-1690
5
Micrel, Inc.
Precision Edge(R) SY10H842L SY100H842L
16-PIN SOIC .300" WIDE (Z16-1)
Rev. 03
MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA
TEL
+ 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. M9999-102606 hbwhelp@micrel.com or (408) 955-1690
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