tc59lm814 TOSHIBA Semiconductor CORPORATION, tc59lm814 Datasheet - Page 20

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tc59lm814

Manufacturer Part Number

tc59lm814

Description

256mbits Network Fcram1

Manufacturer

TOSHIBA Semiconductor CORPORATION

Datasheet

1.TC59LM814.pdf (39 pages)

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TIMING DIAGRAMS

SINGLE BANK READ TIMING (CL = 3)

SINGLE BANK READ TIMING (CL = 4)

Command

Command

BL = 2

BL = 4

BL = 2

BL = 4

(output)

(output)

(output)

(output)

(output)

(output)

(output)

(output)

DQS

DQS

DQS

DQS

CLK

CLK

CLK

CLK

DQ

DQ

DQ

DQ

Hi-Z

Hi-Z

Hi-Z

Hi-Z

Hi-Z

Hi-Z

Hi-Z

Hi-Z

RDA

I

RDA

RCD

I

0

0

RCD

=1 cycle

= 1 cycle

LAL

LAL

1

1

I

RC

I

RC

2

2

I

CL = 3

CL = 3

RAS

= 5 cycles

= 5 cycles

I

RAS

CL = 4

CL = 4

= 4 cycles

DESL

DESL

= 4 cycles

3

3

4

4

Q0 Q1

Q0 Q1

RDA

RDA

I

RCD

I

5

5

RCD

Q2 Q3

Q0 Q1

Q0 Q1

=1 cycle

= 1 cycle

LAL

LAL

6

6

Q2 Q3

I

RC

Hi-Z

Hi-Z

Hi-Z

Hi-Z

I

RC

TC59LM814/06CTG-50,-60

7

7

I

CL = 3

CL = 3

RAS

= 5 cycles

= 5 cycles

I

RAS

= 4 cycles

CL = 4

CL = 4

DESL

DESL

Hi-Z

Hi-Z

Hi-Z

Hi-Z

= 4 cycles

8

8

9

9

2005-06-21 20/39

Q0 Q1

Q0 Q1

I

RCD

RDA

RDA

10

10

Q2 Q3

Q0 Q1

Q0

= 1 cycle

Q1

LAL

LAL

Rev 1.2

11

11

Hi-Z

Hi-Z

Hi-Z

Hi-Z

Q2

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