ADSP-2104 datasheet(32/36 Pages) AD

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ADSP-2104/ADSP-2109

–32–

REV. 0

Frequency

13.824 MHz

Dependency

Parameter

Min

Max

Min

Max

Unit

Switching Characteristic:

tDW

Data Setup before WR High

23.2

0.5tCK – 13 + w

tDH

Data Hold after WR High

8.1

0.25tCK – 10

tWP

WR Pulse Width

28.2

0.5tCK – 8 + w

tWDE

WR Low to Data Enabled

tASW

A0–A13, DMS, PMS Setup before WR Low

8.1

0.25tCK – 10

tDDR

Data Disable before WR or RD Low

8.1

0.25tCK – 10

tCWR

CLKOUT High to WR Low

13.1

28.1

0.25tCK – 5

0.25tCK + 10

tAW

A0–A13, DMS, PMS, Setup before WR Deasserted

32.2

0.75tCK – 22 + w

tWRA

A0–A13, DMS, PMS Hold After WR Deasserted

9.1

0.25tCK – 9

tWWR

WR High to RD or WR Low

31.2

0.5tCK – 5

w = wait states

× t

CK.

TIMING PARAMETERS (ADSP-2104L/ADSP-2109L)

MEMORY WRITE

CLKOUT

A0 – A13

DMS, PMS

tWDE

tDDR

tDH

tWWR

tWRA

tWP

tDW

tAW

tCWR

tASW

Figure 29. Memory Write

ADSP-2104 Datasheet(PDF) 32 Page - Analog Devices

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