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Micrel, Inc.
3.3V/5V DUAL LVTTL/LVCMOS-to-DIFFERENTIAL LVPECL TRANSLATOR
SY89322V Precision Edge(R) SY89322V
FEATURES
3.3V and 5V power supply option 300ps typical propagation delay Differential LVPECL outputs PNP LVTTL inputs for minimal loading Flow-through pinouts Q outputs will default HIGH with inputs open Max. frequency range 800MHz Available in ultra-small 8-pin MLF(R) (2mm x 2mm) package Precision Edge(R)
DESCRIPTION
The SY89322V is a dual TTL/CMOS-to-differential PECL translator capable of running from a 3.3V or 5V supply. This part can be used in either LVTTL/LVCMOS/LVPECL or TTL/CMOS/PECL systems. It requires only a single positive supply of +3.3V or +5V, no negative supply is required. The SY89322V is functionally equivalent to the SY100EPT22V, but in an ultra-small 8-lead MLF(R) package that features a 70% smaller footprint. The ultra-small package and the low skew, dual gate design of the SY89322V makes it ideal for those applications where space, performance and low power are at a premium.
BLOCK DIAGRAM
Q0 INO /Q0
LVTTL
Q1 INI /Q1
LVPECL
Precision Edge is a registered trademark of Micrel, Inc. MicroLeadFrame and MLF are registered trademarks of Amkor Technology, Inc. M9999-072706 hbwhelp@micrel.com or (408) 955-1690
Rev.: D Amendment: /0
1
Issue Date: July 2006
Micrel, Inc.
SY89322V
PACKAGE/ORDERING INFORMATION
Ordering Information
Q0 /Q0 Q1 /Q1
1 2 8 7
VCC Part Number IN0 IN1 GND
Note:
Package Type MLF-8 MLF-8
Operating Range Industrial Industrial
Package Marking 322V 322V with Pb-Free bar-line indicator
Lead Finish Sn-Pb Pb-Free NiPdAu
LVPECL
3 4
LVTTL
6 5
SY89322VMITR SY89322VMGTR(1)
8-Pin MLF(R) Ultra-Small Outline (2mm x 2mm)
1. Pb-Free package is recommended for new designs.
PIN DESCRIPTION
Pin Number 1, 2, 3, 4 5 6, 7 8 Pin Name Q0, /Q0, Q1, /Q1 GND, Exposed Pad IN1, IN0 VCC Type 100k ECL Output Ground TTL/LVTTL Input Power Pin Function Differential LVPECL Outputs: Default to LOW if IN input left open. See "Output Interface Applications" section for recommendations on terminations. GND and exposed pad must be tied to ground plane. Single-ended TTL Inputs. Positive Power Supply: Bypass with 0.1F//0.01F low ESR capacitors.
M9999-072706 hbwhelp@micrel.com or (408) 955-1690
2
Micrel, Inc.
SY89322V
Absolute Maximum Ratings(1)
Supply Voltage (VCC) .................................. -0.5V to +6.0V Input Voltage (VIN) ......................................... -0.5V to VCC LVPECL Output Current (IOUT) Continuous ............................................................. 50mA Surge .................................................................... 100mA Input Current Source or sink current on IN, /IN .......................... 50mA Lead Temperature (soldering, 20 sec.) ................... +260C Storage Temperature (TS) ....................... -65C to +150C
Operating Ratings(2)
Supply Voltage (VCC) .................................. +3.0V to +3.6V ............................................................ +4.5V to +5.5V Ambient Temperature (TA) ......................... -40C to +85C Package Thermal Resistance(3) MLF(R) (JA) Still-Air ................................................................. 93C/W 500lfpm ............................................................... 87C/W MLF(R) (JB) Junction-to-Board ................................................ 60C/W
DC ELECTRICAL CHARACTERISTICS
TA = -40C to +85C Symbol VCC ICC Parameter Power Supply Voltage Power Supply Current Condition Min 3.0 4.5 Typ Max 3.6 5.5 25 Units V V mA
TTL DC ELECTRICAL CHARACTERISTICS
VCC = +3.3V 10% or +5.0V 10%; TA = -40C to +85C, unless otherwise noted. Symbol VIH VIL IIH IIL VIK Parameter Input HIGH Voltage Input LOW Voltage Input HIGH Current Input LOW Current Input Clamp Voltage VIN = 2.7V VIN = VCC VIN = 0.5V IIN = -18mA Condition Min 2.0 0.8 20 100 -0.2 -1.2 Typ Max Units V V A A mA V
PECL DC ELECTRICAL CHARACTERISTICS
VCC = +3.3V 10% or +5V 10%; RL = 50 to VCC-2V; TA = -40C to +85C, unless otherwise noted. Symbol VOH VOL
Notes: 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. 2. The data sheet limits are not guaranteed if the device is operated beyond the operating ratings. 3. Package thermal resistance assumes exposed pad is soldered (or equivalent) to the devices most negative potential on the PCB.
Parameter Output HIGH Output LOW Voltage
Condition
Min VCC-1.080 VCC-1.83
Typ
Max VCC-0.880 VCC-1.550
Units V V
M9999-072706 hbwhelp@micrel.com or (408) 955-1690
3
Micrel, Inc.
SY89322V
AC ELECTRICAL CHARACTERISTICS
VCC = +3.3V 10% or +5.0V 10%; RL = 50 to VCC - 2V, TA = -40C to +85C, unless otherwise noted. Symbol fMAX tPD tSKEW tJitter tr, tf
Notes: 4. Same transition at common VCC levels. 5. Cycle-to-cycle jitter definition: The variation of periods between adjacent cycles, Tn - Tn-1,where T is the time between rising edges of the output signal. 6. Total jitter definition: with an ideal clock input of frequency fMAX, no more than one output edge in 1012 output edge will deviate by more than the specified peak-to-peak jitter value.
Parameter Maximum Toggle Frequency Propagation Delay Within-Device Skew Part-to-Part Jitter Cycle-to-Cycle Jitter Total Jitter Output Rise/Fall Time (20% to 80%) IN-to-Q
Condition
Min
Typ
Max 800
Units MHz ps ps ps psRMS psPP ps
100 Note 4 Note 4 Note 5 Note 6 200
600 100 500 2 25 500
LVPECL OUTPUT INTERFACE APPLICATIONS
VCC
VCC
R1 ZO = 50 ZO = 50 VCC -2V R2
VCC = 3.3V; R1 = 130, R2 = 82 VCC = 5V; R1 = 83, R2 = 125
R1
VCC
VCC
ZO = 50 ZO = 50 50 50 Rpd
VCC
R2
VCC = 3.3V; Rpd = 50 VCC = 5V; Rpd = 100
VCC -2V
C (Optional) 0.01F
Figure 1a. Parallel TheveninEquivalent Termination
Figure 1b. Three Resistor "Y Termination"
VCC VCC VCC R1 R1 ZO = 50 VCC -2V R3 VCC
R2
R2
R4 VCC -1.3V
VCC = 3.3V; R1 = 130, R2 = 82, R3 = 1k, R4 = 1.6k, VCC = 5V; R1 = 83, R2 = 125, R3 = 1k, R4 = 2.8k,
Figure 1c. Terminating Unused I/O
M9999-072706 hbwhelp@micrel.com or (408) 955-1690
4
Micrel, Inc.
SY89322V
8-PIN ULTRA-SMALL EPAD-MicroLeadFrame(R) (MLF-8)
Package EP- Exposed Pad
Die
CompSide Island
Heat Dissipation Heat Dissipation VEE Heavy Copper Plane VEE Heavy Copper Plane
PCB Thermal Consideration for 8-Pin MLF(R) Package Package Notes: 1. Package meets Level 2 qualification. 2. All parts are dry-packaged before shipment. 3. Exposed pads must be soldered to a ground for proper thermal management.
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 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. M9999-072706 hbwhelp@micrel.com or (408) 955-1690
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