RTL8111E Ver la hoja de datos (PDF) - Realtek Semiconductor

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RTL8111E

INTEGRATED GIGABIT ETHERNET CONTROLLER FOR PCI EXPRESS APPLICATIONS

Realtek Semiconductor 

RTL8111E

Datasheet

8.7. AC Characteristics

8.7.1. Serial EEPROM Interface Timing

93C46(64*16)/93C56(128*16)/93C66(256*16)

EESK

EECS

EEDI (Read)

1 1 0 An

(Read)

EEDO High Impedance

A2 A1 A0

0 Dn

tcs

D1 D0

EESK

EECS

tcs

EEDI (Write)

1 0 1 An ... A0 Dn ... D0

(Write)

EEDO High Impedance

BUSY READY

twp

tsk

EESK

tskh

tskl

tcsh

EECS

tcss

tdis

tdih

EEDI

tdos

tdoh

EEDO (Read)

tsv

EEDO (Program)

STATUS VALID

Figure 6. Serial EEPROM Interface Timing

Table 20. EEPROM Access Timing Parameters

Symbol Parameter

EEPROM Type

Min.

Max.

Unit

tcs

Minimum CS Low Time

9346/9356/9366

1000

-

ns

twp

Write Cycle Time

9346/9356/9366

-

10

ms

tsk

SK Clock Cycle Time

9346/9356/9366

4

-

µs

tskh

SK High Time

9346/9356/9366

1000

-

ns

tskl

SK Low Time

9346/9356/9366

1000

-

ns

tcss

CS Setup Time

9346/9356/9366

200

-

ns

tcsh

CS Hold Time

9346/9356/9366

0

-

ns

tdis

DI Setup Time

9346/9356/9366

400

-

ns

tdih

DI Hold Time

9346/9356/9366

400

-

ns

tdos

DO Setup Time

9346/9356/9366

2000

-

ns

tdoh

DO Hold Time

9346/9356/9366

-

2000

ns

tsv

CS to Status Valid

9346/9356/9366

-

1000

ns

Integrated Gigabit Ethernet Controller for PCI Express

26

Track ID: JATR-2265-11 Rev. 1.5

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