11

7747B–AERO–04/09

AT68166F

Read Cycle

Table 5. Read cycle timings(1)

Notes: 1. Timings figures applicable for 8-bit, 16-bit and 32-bit mode.

2. Parameters guaranteed, not tested, with output loading 5 pF. (See “AC Test Loads Waveforms” on page 9.)

Symbol

Parameter

AT68166F-20

AT68166F-18

Unit

min

max

min

max

TAVAV

Read cycle time

20

-

18

-

ns

TAVQV

Address access time

-

20

-

18

ns

TAVQX

Address valid to low Z

5

-

5

-

ns

TELQV

Chip-select access time

-

20

-

18

ns

TELQX

5-5-

ns

TEHQZ

-9-8

ns

TGLQV

Output Enable access time

-

11

-

8

ns

TGLQX

2-2-

ns

TGHQZ

-9-8

ns

ADDRESS

DOUT