ICS2008B

14

ICS2008B Rev D 4/05/05

AC Electrical Characteristics

Notes:

1. This timing parameter must be met for proper operation of indirect register access using auto-increment.

FIGURE 3 — Host Processor Bus Timing

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

Address setup to IOR* or IOW* command

20

ns

Address hold from IOR* or IOW* command

10

ns

Read pulse width

150

ns

Access time

150

ns

Output enable access time

50

ns

Data hold from IOR* high

10

ns

Read command inactive time

70

ns

Write pulse width

150

ns

Write data setup to IOW* high

20

ns

Write data hold from IOW* high

10

ns

Write command inactive time

70

ns

CS* inactive time (Note 1)

20

ns

UART Port Bit Rate

(Command Register [1:0] = 00)

UART Port Bit Rate

(Command Register [1:0] = 01)

UART Port Bit Rate

(Command Register [1:0] = 10)

9.6

31.25

38.4

kHz

kHz

kHz