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Micrel, Inc.
5V/3.3V TTL-TO-DIFFERENTIAL PECL TRANSLATOR
Precision Edge(R) SY10ELT20V Precision Edge(R) SY100ELT20V
SY10ELT20V SY100ELT20V
FEATURES
s s s s s s s 3.3V and 5V power supply options 300ps typical propagation delay Low power Differential PECL output PNP TTL input for minimal loading Flow-through pinouts Available in 8-pin SOIC package and in die form Precision Edge(R)
DESCRIPTION
The SY10/100ELT20V is a single TTL-to-differential PECL translator. Because PECL (Positive ECL) levels are used, either +5V or +3.3V and ground are required. The small outline 8-lead SOIC package and low skew single gate design make the ELT20V ideal for applications that require the translation of a clock or data signal where minimal space, low power, and low cost are critical. The ELT20V is available in both ECL standards: the 10ELT is compatible with positive ECL 10H logic levels, while the 100ELT is compatible with positive ECL 100K logic levels.
PIN NAMES
Pin Q D VCC GND Function Differential PECL Output TTL Input +5V/+3.3V Supply Ground
Precision Edge is a registered trademark of Micrel, Inc. M9999-031506 hbwhelp@micrel.com or (408) 955-1690
Rev.: D Amendment: /0
1
Issue Date: March 2006
Micrel, Inc.
Precision Edge(R) SY10ELT20V SY100ELT20V
PACKAGE/ORDERING INFORMATION
Ordering Information(1)
NC 1 Q2
PECL TTL
8 VCC 7D 6 NC 5 GND
Part Number SY10ELT20VZC SY10ELT20VZCTR(2) SY100ELT20VZC SY100ELT20VZCTR(2)
Package Type Z8-1 Z8-1 Z8-1 Z8-1 Z8-1 Z8-1 Z8-1 Z8-1 Z8-1 Z8-1 Z8-1 Z8-1
Operating Range Commercial Commercial Commercial Commercial Industrial Industrial Industrial Industrial Industrial Industrial Industrial Industrial
Package Marking HEL20V HEL20V XEL20V XEL20V HEL20V HEL20V XEL20V XEL20V HEL20V with Pb-Free bar-line indicator HEL20V with Pb-Free bar-line indicator XEL20V with Pb-Free bar-line indicator XEL20V with Pb-Free bar-line indicator
Lead Finish Sn-Pb Sn-Pb Sn-Pb Sn-Pb Sn-Pb Sn-Pb Sn-Pb Sn-Pb Pb-Free NiPdAu Pb-Free NiPdAu Pb-Free NiPdAu Pb-Free NiPdAu
Q3 NC 4
8-Pin SOIC (Z8-1)
SY10ELT20VZI SY10ELT20VZITR(2) SY100ELT20VZI SY100ELT20VZITR(2) SY10ELT20VZG(3) SY10ELT20VZGTR(2, 3) SY100ELT20VZG(3) SY100ELT20VZGTR(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.
M9999-031506 hbwhelp@micrel.com or (408) 955-1690
2
Micrel, Inc.
Precision Edge(R) SY10ELT20V SY100ELT20V
ABSOLUTE MAXIMUM RATINGS(1)
Symbol VCC VI II IOUT Paramter Power Supply Voltage TTL Input Voltage TTL Input Current PECL Output Current -Continuous -Surge Lead Temperature (soldering, 20sec.) Storage Temperature Operating Temperature Value -0.5 to +7.0 -0.5 to VCC -30 to +5.0 50 100 +260 -65 to +150 -40 to +85 C C C Unit V V mA mA
TRUTH TABLE
D H L Open Q H L H Q L H L
TLEAD Tstore TA
DC ELECTRICAL CHARACTERISTICS
VCC = +3.3V 10% or +5.0V 10%
TA = -40C Symbol ICC Parameter Power Supply Current Min. -- Max. 20 TA = 0C Min. -- Max. 20 TA = +25C Min. -- Typ. -- Max. 20 TA = +85C Min. -- Max. 20 Unit mA Condition --
TTL DC ELECTRICAL CHARACTERISTICS
VCC = +3.3V 10% or +5.0V 10%
TA = -40C Symbol VIH VIL IIH IIL VIK Parameter Input HIGH Voltage Input LOW Voltage Input HIGH Current Input LOW Current Input Clamp Voltage Min. 2.0 -- -- -- -- -- Max. -- 0.8 20 100 -0.2 -1.2 TA = 0C Min. 2.0 -- -- -- -- -- Max. -- 0.8 20 100 -0.2 -1.2 TA = +25C Min. 2.0 -- -- -- -- -- Typ. Max. -- 0.8 20 100 -0.2 -1.2 TA = +85C Min. 2.0 -- -- -- -- -- Max. -- 0.8 20 100 -0.2 -1.2 Unit V V A mA V Condition -- -- VIN = 2.7V VIN = VCC VIN = 0.5V IIN = -18mA
PECL DC ELECTRICAL CHARACTERISTICS
VCC = +3.3V 10% or +5.0V 10%
TA = -40C Symbol VOH Parameter Output HIGH Voltage(2) 10ELT 100ELT VOL Output LOW Voltage(1) 10ELT 100ELT
Note 1.
TA = 0C Min. 3980 3975 3050 3190 Max.
TA = +25C Min. Typ. -- -- -- -- Max. 4190 4120 3370 3380
TA = +85C Min. Max. Unit mV Condition
Min.
Max.
3920 4110 3915 4120 3050 3350 3170 3445
4160 4020 4120 3975 3370 3050 3380 3190
4090 4280 3975 4120 mV 3050 3405 3190 3380
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. These values are for VCC = 5.0V. Level Specifications will vary 1:1 with VCC.
Note 2.
M9999-031506 hbwhelp@micrel.com or (408) 955-1690
3
Micrel, Inc.
Precision Edge(R) SY10ELT20V SY100ELT20V
AC ELECTRICAL CHARACTERISTICS(3)
VCC = +3.3V 10% or +5.0V 10%
TA = -40C Symbol tPLH tPHL tskpp fMAX tr tf
Note 1.
TA = 0C Min. 100 -- 350 200 Max. 600 500 -- 500
TA = +25C Min. 100 -- 350 200 Typ. -- -- -- -- Max. 600 500 -- 500
TA = +85C Min. 100 -- 350 200 Max. Unit 600 500 -- 500 ps ps MHz ps Condition 50 to VCC - 2.0V 50 to VCC - 2.0V 50 to VCC - 2.0V 50 to VCC - 2.0V
Parameter Propagation Delay(3) Part-to-Part Skew(4) Maximum Input Frequency Output Rise/Fall Time (20% to 80%)
Min. 100 -- 350 200
Max. 600 500 -- 500
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. These values are for VCC = 5.0V. Level Specifications will vary 1:1 with VCC. Input Rise Time < 1.0ns. Guaranteed by design. Not tested in production.
Note 2. Note 3. Note 4.
M9999-031506 hbwhelp@micrel.com or (408) 955-1690
4
Micrel, Inc.
Precision Edge(R) SY10ELT20V SY100ELT20V
TOPOGRAPHY AND PAD COORDINATES
VCC
(Pad 6)
VCC
(Pad 7)
Q
(Pad 5)
D
(Pad 8)
/Q
(Pad 4)
0.850 mm 1.29mm
NC
(Pad 3)
NC
(Pad 2)
NC
(Pad 9)
GND
(Pad 1)
GND
(Pad 10)
0.850 mm 0.35mm
Figure 1. Chip Topography
PAD COORDINATES TABLE
Pad Number 1 2 3 4 5 6 7 8 9 10
Notes:
CHIP INFORMATION
Transistor Count: Substrate: Process: 98 Connect to GND Bipolar
Coordinates (m)(4) 619.5, -344.5 396.5, -344.5 130.5, -344.5 -135.5, -344.5 -401.5, -344.5 -619.5, -344.5 -619.5, 344.5 -427.5, 344.5 427.5, 344.5 619.5, 344.5
1. Contact factory for die availability. Dice are guaranteed at TA = 25C, DC Electricals only. Shipped in waffle pack. 2. Recommended for new designs. 3. Tape and Reel. 4. Coordinates reference from the center of the die. M9999-031506 hbwhelp@micrel.com or (408) 955-1690
5
Micrel, Inc.
Precision Edge(R) SY10ELT20V SY100ELT20V
8-PIN SOIC .150" WIDE (Z8-1)
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 datasheet 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. M9999-031506 hbwhelp@micrel.com or (408) 955-1690
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