T431616B Ver la hoja de datos (PDF) - Taiwan Memory Technology

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componentes Descripción

Fabricante

T431616B

1M x 16 SDRAM 512K x 16bit x 2Banks Synchronous DRAM

Taiwan Memory Technology 

tm TE

CH

T431616B

FREQUENCY vs. AC PARAMETER RELATIONAHIP TABLE

T431616B-20S

(Unit : number of clock)

Frequency

CAS tRC tRAS tRP tRRD tRCD tCCD tCDL tRDL

Latency 130ns 80ns 40ns 40ns 40ns 20ns 20ns 40ns

50MHz(20.0ns)

3

7

4

2

2

2

1

1

2

50MHz(20.0ns)

2

7

4

2

2

2

1

1

2

25MHz(40.0ns)

1

4

2

1

1

1

1

1

1

T431616B-10S

(Unit : number of clock)

Frequency

100MHz(10.0ns)

83MHz(12.0ns)

75MHz(13.0ns)

66MHz(15.0ns)

60MHz(16.7ns)

CAS

Latency

2

2

2

2

2

tRC

70ns

7

7

6

6

5

tRAS

50ns

5

5

4

4

3

tRP

20ns

2

2

2

2

2

tRRD

20ns

2

2

2

2

2

tRCD

20ns

2

2

2

2

2

tCCD

10ns

1

1

1

1

1

tCDL

10ns

1

1

1

1

1

tRDL

20ns

2

2

2

2

2

Note : 1. Clock count formula : clock ≥ base value (round off whole number).

clock period

Taiwan Memory Technology, Inc. reserves the right P.10

to change products or specifications without notice.

Publication Date: JUL. 2001

Revision:A

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