Freeram synchronous timing characteristics, Single-port write/read, Dual-port write with read – Rainbow Electronics AT40K40LV User Manual

Page 30: Dual-port read, At40k/at40klv series fpga

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30

AT40K/AT40KLV Series FPGA

0896C–FPGA–04/02

FreeRAM Synchronous Timing Characteristics

Single-port Write/Read

Dual-port Write with
Read

Dual-port Read

WE

ADDR

DATA

t

CLKH

t

WCS

t

ACS

t

DCH

t

WCH

t

ACH

0

1

2

CLK

t

OXZ

t

DCS

3

OE

t

OZX

t

AD

WE

WR ADDR

WR DATA

RD DATA

t

CLKH

t

WCS

t

ACS

t

CYC

t

WCH

t

CD

t

ACH

= WR ADDR 1

RD ADDR

0

1

2

CLK

t

CLKL

t

DCS

t

DCH

RD ADDR

DATA

0

1

t

OZX

OE

t

OXZ

t

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