L7200 datasheet(37/91 Pages) INTEL

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Datasheet

Electrical Specifications

NOTES:

Unless otherwise noted, all specifications in this table apply to all processor frequencies.

VIL is defined as the maximum voltage level at a receiving agent that will be interpreted as a logical low

value.

VIH is defined as the minimum voltage level at a receiving agent that will be interpreted as a logical high

value.

VIH and VOH may experience excursions above VCCP. However, input signal drivers must comply with the

signal quality specifications.

This is the pull-down driver resistance. Measured at 0.31*VCCP. RON (min) = 0.38*R

TT. R

ON (typ) =

0.45*R

TT. R

ON (max) = 0.52*RTT.

GTLREF should be generated from VCCP with a 1% tolerance resistor divider. The VCCP referred to in these

specifications is the instantaneous VCCP.

RTT is the on-die termination resistance measured at VOL of the AGTL+ output driver. Measured at

0.31*VCCP. RTT is connected to VCCP on-die.

Specified with on-die RTT and RON are turned off. Vin (Input Voltage) between 0 and VCCP.

Cpad includes die capacitance only. No package parasitics are included.

10.

This is the external resistor on the comp pins.

11.

On-die termination resistance, measured at 0.33*VCCP.

Table 9.

AGTL+ Signal Group DC Specifications

Symbol

Parameter

Min

Typ

Max

Unit

Notes1

VCCP

I/O Voltage

1.00

1.05

1.10

GTLREF

Reference Voltage

2/3 VCCP

RCOMP

Compensation Resistor

27.23

27.5

27.78

RODT

Termination Resistor

VIH

Input High Voltage

GTLREF +0.10

VCCP

VCCP +0.10

3,6

VIL

Input Low Voltage

-0.10

GTLREF-0.10

2,4

VOH

Output High Voltage

VCCP -0.10

VCCP

Termination Resistance

RON

Buffer On Resistance

ILI

Input Leakage Current

±100

µA

Cpad

Pad Capacitance

1.6

2.1

2.55

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