Xilinx ML561 manual Read/Write Characteristics 6800 Mode, Erd

Models: ML561

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Hardware Schematic Diagram

Read/Write Characteristics (6800 Mode)

Table C-7list the read and write timing parameters in 6800 mode. The associated waveforms for these parameters are illustrated in Figure C-7.

Table C-7:Read/Write Characteristics in 6800 Mode

Parameter

Signal

Symbol

Min

Typ

Max

Unit

 

 

 

 

 

 

 

Address Setup Time

RS

TAS

13

-

-

ns

Address Hold Time

TAH

17

-

-

ns

 

Data Setup Time

DB7 to DB0

TDS

35

-

-

ns

Data Hold Time

TDH

13

-

-

ns

 

Access Time

 

TACC

-

-

125

ns

Output Disable Time

 

TOD

10

-

90

ns

System Cycle Time

RS

TCYC

400

-

-

ns

Enable Pulse Width

Read/Write

E_RD

TPWR

125

-

ns

TPWW

55

-

ns

 

 

 

RS

 

 

 

RW

 

 

 

TAS

 

 

TAH

CS1B

 

 

 

 

 

 

TCYC

 

TPWR

TPWW

 

E

 

 

 

 

 

TDS

TDH

WRITE

 

 

 

DB0-DB7

TACC

 

TOD

 

 

READ

 

 

 

 

 

 

UG199_C_07_050106

Figure C-7:

Read/Write Timing Waveforms (6800 Mode)

Virtex-5 FPGA ML561 User Guide

www.xilinx.com

133

UG199 (v1.2) April 19, 2008

Page 133
Image 133
Xilinx ML561 manual Read/Write Characteristics 6800 Mode, Erd