Rainbow-electronics DS1558Y Manual de usuario descargar pdf (Pagina 13)

DS1558

13 of 18

READ CYCLE, AC CHARACTERISTICS

(V

CC

= +3.3V ±10% or +5V ±10%, T

A

= -40°C to +85°C)

V

CC

= +5.5V ±10% V

CC

= +3.3V ±10%

PARAMETER SYMBOL

MIN MAX MIN MAX

UNITS NOTES

Read Cycle Time t

RC

70 120 ns

Address Access Time t

AA

70 120 ns

CE to DQ Low-Z

t

CEL

55ns

CE Access Time

t

CEA

70 120 ns

CE Data Off Time

t

CEZ

25 40 ns

OE to DQ Low-Z

t

OEL

55ns

OE Access Time

t

OEA

35 100 ns

OE Data Off Time

t

OEZ

25 35 ns

Output Hold from

Address

t

OH

55ns

CE to CER Propagation

Delay, +5V

t

CEPD

15 ns

OE to OER Propagation

Delay, +5V

t

OEPD

20 ns

CE to CER Propagation

Delay, +3.3V

t

CEPD

30 ns

OE to OER Propagation

Delay, +3.3V

t

OEPD

40 ns

Figure 5. READ CYCLE TIMING DIAGRAM

1 2 ... 8 9 10 11 12 13 14 15 16 17 18

Comentarios a estos manuales

Sin comentarios