Samsung YP-P10 User Manual download pdf (Page 595)

ELECTRICAL DATA S3C2440A RISC MICROPROCESSOR

27-42

Table 27-20. NAND Flash Interface Timing Constants

(V

DDi,

V

DDalive,

V

DDiarm

= 1.2 V ± 0.1 V, T

A

= –40 to 85 °C, V

DDMOP

= 3.3V ± 0.3V / 3.0V ± 0.3V / 2.5V ± 0.2V / 1.8V

± 0.1V)

Parameter Symbol Min

(V

DDMOP

=

3.3V/3.0V/2.5V/1.8V)

Max

(V

DDMOP

=

3.3V/3.0V/2.5V/1.8V)

Unit

NFCON chip enable delay t

CED

– / – / – / – 5.4/5.6/5.9/7.1 ns

NFCON CLE delay t

CLED

– / – / – / – 5.3/5.5/5.8/7.0 ns

NFCON ALE delay t

ALED

– / – / – / – 5.4/5.6/5.9/7.1 ns

NFCON write enable delay t

WED

– / – / – / – 5.0/5.2/5.5/6.7 ns

NFCON read enable delay t

RED

– / – / – / – 5.0/5.2/5.5/6.7 ns

NFCON write data setup time t

WDS

5.8/6.0/6.3/7.5 – / – / – / – ns

NFCON write data hold time t

WDH

4.6/4.8/5.1/6.3 – / – / – / – ns

NFCON read data setup requirement time t

RDS

3/3.1/3.3/4 – / – / – / – ns

NFCON read data hold requirement time t

RDH

0.3/0.3/0.3/0.3 – / – / – / – ns

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