AT5FC256-20 查看數據表（PDF） - Atmel Corporation

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AT5FC256-20

256K byte Flash Memory PCMCIA Card

Atmel Corporation 

Attribute Memory Operations

X = Don’t Care, where Don’t Care is either VIL or VIH levels.

Pins

REG CE2 CE1 OE WE

Read-Only

Read (x8) (1)

VIL

VIH

VIL

VIL

VIH

Read (x8)

VIL

VIH

VIL

VIL

VIH

Read (x8)

VIL

VIL

VIH

VIL

VIH

Read (x16)

VIL

VIL

VIL

VIL

VIH

Output Disable VIL

X

X

VIH

VIH

Standby

X

VIH

VIH

X

X

Write-Only

Write (x8) (1)

VIL

VIH

VIL

VIH

VIL

Write (x8)

VIL

VIH

VIL

VIH

VIL

Write (x8)

VIL

VIL

VIH

VIH

VIL

Write (x16)

VIL

VIL

VIL

VIH

VIL

Output Disable VIL

X

X

VIH

VIL

A0 D8-D15

VIL High Z

VIH High Z

X Not Valid

X Not Valid

X High Z

X High Z

VIL High Z

VIH High Z

X Not Valid

X Not Valid

X High Z

D0-D7

Data Out-Even

Not Valid

High Z

Data Out-Even

High Z

High Z

Data In-Even

Not Valid

High Z

Data In-Even

High Z

Note: 1. Byte access - Even. In this x8 mode, D0-D7 contain the "even" byte (low byte) of the x16 word. D8-D15 are inactive.

8

AT5FC256

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