GTL2008, GTL2010, GTL2010BS118 Selling Leads, Datasheet
MFG:20 Package Cooled:TSSOP28 D/C:N/A
GTL2008, GTL2010, GTL2010BS118 Datasheet download
Part Number: GTL2008
MFG: 20
Package Cooled: TSSOP28
D/C: N/A
GTL2008, GTL2010, GTL2010BS118
- Table of contents:
Info of GTL2008
Info of GTL2010
Info of GTL2010BS118
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About GTL1655DGG
PDF/DataSheet Download
Datasheet: GTL1655DGG
File Size: 130387 KB
Manufacturer: PHILIPS [Philips Semiconductors]
Download : Click here to Download
About GTL2010
PDF/DataSheet Download
Datasheet: GTL2010
File Size: 54028 KB
Manufacturer: PHILIPS [Philips Semiconductors]
Download : Click here to Download
About GTL1655DGG
PDF/DataSheet Download
Datasheet: GTL1655DGG
File Size: 130387 KB
Manufacturer: PHILIPS [Philips Semiconductors]
Download : Click here to Download
GTL2008 General Description
The GTL2008/GTL2107 is a customized translator between dual Xeon processors, Platform Health Management, South Bridge and Power Supply LVTTL and GTL signals. Functionally and footprint identical to the GTL2007, the GTL2008/GTL2107 LVTTL and GTL outputs were changed to put them into a high-impedance state when EN1 and EN2 are LOW, with the exception of 11BO because its normal state is LOW, so it is forced LOW. EN1 and EN2 will remain LOW until VCC is at normal voltage, the other inputs are in valid states and VREF is at its proper voltage to assure that the outputs will remain high-impedance through power-up.
Both the GTL2008/GTL2107 and the GTL2007 are derived from the GTL2006. They add an enable function that disables the error output to the monitoring agent for platforms that monitor the individual error conditions from each processor. This enable function can be used so that false error conditions are not passed to the monitoring agent when the system is unexpectedly powered down. This unexpected power-down could be from a power supply overload, a CPU thermal trip, or some other event of which the monitoring agent is unaware.
A typical implementation would be to connect each enable line to the system power good signal or the individual enables to the VRD power good for each processor.
Typically Xeon processors specify a VTT of 1.1 V to 1.2 V, as well as a nominal Vref of 0.73 V to 0.76 V. To allow for future voltage level changes that may extend Vref to 0.63 of VTT (minimum of 0.693 V with VTT of 1.1 V) the GTL2008/GTL2107 allows a minimum Vref of 0.66 V. Characterization results show that there is little DC or AC performance variation between these levels.
The GTL2008 is the companion chip to the GTL2009 3-bit GTL Front-Side Bus frequency comparator that is used in dual-processor Xeon applications.
The GTL2107 is the Intel designation for the GTL2008.
GTL2008 Maximum Ratings
| Symbol | Parameter | Conditions | RATING | Unit |
| VCC | supply voltage | -0.5 +4.6 | V | |
| IIK | input clamping current |
VI < 0 V | -50 | mA |
| VI | input voltage | A port (LVTTL) B port (GTL) |
[1] -0.5 +4.6 -0.5[1] +4.6 |
V |
| IOK | output clamping current |
VO < 0 V | -50 | mA |
| VO | output voltage | output in OFF or HIGH state; A port output in OFF or HIGH state;B port |
[1] -0.5 +4.6 | V |
| IOL | LOW-level output current[2] | A port B port |
32 30 |
mA |
| IOH | HIGH-level output current[3] | A port | -32 | mA |
| Tstg | storage temperature | -65 +150 | °C | |
| Tj(max) | maximum junction temperature | [4] +125 | °C |
[1] The input and output negative voltage ratings may be exceeded if the input and output clamp current ratings areobserved.
[2] Current into any output in the LOW state.
[3] Current into any output in the HIGH state.
[4] The performance capability of a high-performance integrated circuit in conjunction with its thermal environment can create junction temperatures which are detrimental to reliability. The maximum junction temperature of this integrated circuit should not exceed 150 °C.
GTL2008 Features
· Operates as a GTL to LVTTL sampling receiver or LVTTL to GTL driver
· EN1 and EN2 disable error output
· All LVTTL and GTL outputs are put in a high-impedance state when EN1 and EN2 are LOW
· 3.0 V to 3.6 V operation
· LVTTL I/O not 5 V tolerant
· EN1 and EN2 disable error output
· All LVTTL and GTL outputs are put in a high-impedance state when EN1 and EN2 are LOW
· 3.0 V to 3.6 V operation
· LVTTL I/O not 5 V tolerant
GTL2008 Connection Diagram
GTL2010 General Description
The GTL2010 is a high speed 10-bit voltage clamp. The lowON-state resistance of the clamp allows connections to be made with minimal propagation delay.
The device is organized as one 10-bit voltage clamp. When S or Dis low, the clamp is in the ON-Cstate and a low resistance connectioexists between the S and D ports. When S port and D port are high,the clamp is in the OFF-state and a very high impedance existsbetween the S and D ports. When port D is high, the voltage on theS port is clamped to the applied reference voltage on the GREF port.
The device is organized as one 10-bit voltage clamp. When S or Dis low, the clamp is in the ON-Cstate and a low resistance connectioexists between the S and D ports. When S port and D port are high,the clamp is in the OFF-state and a very high impedance existsbetween the S and D ports. When port D is high, the voltage on theS port is clamped to the applied reference voltage on the GREF port.
GTL2010 Maximum Ratings
| SYMBO | PARAMETER | CONDITIONS | RATING | UNIT |
| VS_REF | DC source reference voltage | -0.5 to+7.0 | V | |
| V D_REF | DC drain reference voltage | -0.5 to+7.0 | V | |
| V G_REF | DC gate reference voltage | -0.5 to+7.0 | V | |
| VSn | DC voltage Port Sn | -0.5 to+7.0 | V | |
| VDn | DC voltage Port Dn | -0.5 to+7.0 | V | |
| IREFK | DC reference diode current | V I< 0 | -50 | mA |
| ISK | DC diode current Port Sn | V I< 0 | -50 | mA |
| IDK | DC diode current Port Dn | V I< 0 |
-50 | mA |
| IMAX | DC clamp current perchannel | Channel in ON-state | ±35 | mA |
| Tstg | Storage temperature range | -65 to +15 | oC |
GTL2010 Features
`EATURESDirect interface with TTL level
`6.5ON-state connection between port Snand Dn
`6.5ON-state connection between port Snand Dn
GTL2010 Connection Diagram
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