S3C2440 Просмотр технического описания (PDF) - Samsung

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Компоненты Описание

производитель

S3C2440

32-BIT CMOS MICROCONTROLLER

Samsung 

ELECTRICAL DATA

S3C2440A RISC MICROPROCESSOR

Table 27-20. NAND Flash Interface Timing Constants

(VDDi, VDDalive, VDDiarm = 1.2 V ± 0.1 V, TA = –40 to 85 °C, VDDMOP = 3.3V ± 0.3V / 3.0V ± 0.3V / 2.5V ± 0.2V / 1.8V

± 0.1V)

Parameter

Symbol

Min

(VDDMOP =

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

Max

(VDDMOP =

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

Unit

NFCON chip enable delay

tCED

–/–/–/–

5.4/5.6/5.9/7.1

ns

NFCON CLE delay

NFCON ALE delay

NFCON write enable delay

NFCON read enable delay

NFCON write data setup time

NFCON write data hold time

NFCON read data setup requirement time

NFCON read data hold requirement time

tCLED

tALED

tWED

tRED

tWDS

tWDH

tRDS

tRDH

–/–/–/–

–/–/–/–

–/–/–/–

–/–/–/–

5.8/6.0/6.3/7.5

4.6/4.8/5.1/6.3

3/3.1/3.3/4

0.3/0.3/0.3/0.3

5.3/5.5/5.8/7.0

ns

5.4/5.6/5.9/7.1

ns

5.0/5.2/5.5/6.7

ns

5.0/5.2/5.5/6.7

ns

–/–/–/–

ns

–/–/–/–

ns

–/–/–/–

ns

–/–/–/–

ns

27-42

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