Rainbow-electronics DS1543 Manuale Utente Scaricare il pdf (Pagina 11)

DS1543

11 of 17

READ CYCLE, AC CHARACTERISTICS (V

CC

= 5.0V ±10%)

70 ns access 100 ns access

PARAMETER SYMBOL

MIN MAX MIN MAX

UNITS NOTES

Read Cycle Time t

RC

70 100 ns

Address Access Time t

AA

70 100 ns

CE to DQ Low-Z

t

CEL

55 ns

CE Access Time

t

CEA

70 100 ns

CE Data Off time

t

CEZ

25 35 ns

OE to DQ Low-Z

t

OEL

55 ns

OE Access Time

t

OEA

35 55 ns

OE Data Off Time

t

OEZ

25 35 ns

Output Hold from Address t

OH

55 ns

READ CYCLE, AC CHARACTERISTICS (V

CC

= 3.3V ±10%)

120 ns access 150 ns access

PARAMETER SYMBOL

MIN MAX MIN MAX

UNITS NOTES

Read Cycle Time t

RC

120 150 ns 5

Address Access Time t

AA

120 150 ns 5

CE to DQ Low-Z

t

CEL

5 5 ns 5

CE Access Time

t

CEA

120 150 ns 5

CE Data Off time

t

CEZ

40 50 ns 5

OE to DQ Low-Z

t

OEL

5 5 ns 5

OE Access Time

t

OEA

100 130 ns 5

OE Data Off Time

t

OEZ

35 35 ns 5

Output Hold from Address t

OH

5 5 ns 5

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