ICS2008B

14

AC Electrical Characteristics

Notes:

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

TA = 0°C to +70°C; VDD = 5V ±10%; GND = 0V

FIGURE 3 — Host Processor Bus Timing

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

Address setup to IOR* or IOW* command

tACS

20

ns

Address hold from IOR* or IOW* command

tAH

10

ns

Read pulse width

tRD

150

ns

Access time

tACC

150

ns

Output enable access time

tOE

50

ns

Data hold from IOR* high

tRDH

10

ns

Read command inactive time

tRHRL

70

ns

Write pulse width

tWR

150

ns

Write data setup to IOW* high

tWDS

20

ns

Write data hold from IOW* high

tWDH

10

ns

Write command inactive time

tWHWL

70

ns

CS* inactive time (Note 1)

tCHCL

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