M29W320DB70N1E_03 데이터 시트보기 (PDF) - STMicroelectronics

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M29W320DB70N1E_03

32 Mbit (4Mb x8 or 2Mb x16, Boot Block) 3V Supply Flash Memory

STMicroelectronics 

Table 2. Bus Operations, BYTE = VIL

Operation

E

G

W

Address Inputs

DQ15A–1, A0-A20

Bus Read

VIL VIL VIH Cell Address

Bus Write

VIL VIH VIL Command Address

Output Disable

X

VIH VIH X

Standby

VIH

X

XX

Read Manufacturer

Code

VIL

VIL

VIH

A0 = VIL, A1 = VIL, A9 = VID,

Others VIL or VIH

Read Device Code

Note: X = VIL or VIH.

VIL

VIL

VIH

A0 = VIH, A1 = VIL,

A9 = VID, Others VIL or VIH

Table 3. Bus Operations, BYTE = VIH

Operation

E

G

W

Bus Read

VIL

VIL

VIH

Bus Write

VIL

VIH

VIL

Output Disable

X

VIH

VIH

Standby

VIH

X

X

Read Manufacturer

Code

VIL

VIL

VIH

Read Device Code

Note: X = VIL or VIH.

VIL

VIL

VIH

Address Inputs

A0-A20

Cell Address

Command Address

X

X

A0 = VIL, A1 = VIL, A9 = VID,

Others VIL or VIH

A0 = VIH, A1 = VIL, A9 = VID,

Others VIL or VIH

M29W320DT, M29W320DB

Data Inputs/Outputs

DQ14-DQ8

DQ7-DQ0

Hi-Z

Data Output

Hi-Z

Data Input

Hi-Z

Hi-Z

Hi-Z

Hi-Z

Hi-Z

20h

Hi-Z

CAh (M29W320DT)

CBh (M29W320DB)

Data Inputs/Outputs

DQ15A–1, DQ14-DQ0

Data Output

Data Input

Hi-Z

Hi-Z

0020h

22CAh (M29W320DT)

22CBh (M29W320DB)

13/44

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