STLC5445

10/23

SWITCHING CHARACTERISTICS

MICROPROCESSOR WRITE / READ TIMING (refers to figures 3 and 4).

Unless otherwise specified the below listed parameters’ values are referred to the following conditions:

VCC=5V, normal temperature range.

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

RDN, CSN pulse width

260

ns

RDN, recovery time

200

220

ns

RDN, CSN low to data available

260

ns

RDN or CSN high to data Z

130

160

ns

ALE pulse width

100

ns

Address setup time

60

ns

Address hold time

50

ns

Address Z to RDN low

0

ns

Address Z to WRN Low

0

ns

Address stable to data available

360

390

ns

WRN or CSN pulse width

200

ns

Write recovery time

200

ns

Data setup time

100

ns

Data hold time

20

40

ns

Reset Pulse with

200

ns