M29DW323DB90N1 データシートの表示（PDF） - STMicroelectronics

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M29DW323DB90N1

32 Mbit (4Mb x8 or 2Mb x16, Dual Bank 8:24, Boot Block) 3V Supply Flash Memory

STMicroelectronics 

M29DW323DT, M29DW323DB

Table 3. Bus Operations, BYTE = VIL

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

VIL

VIL

VIH

Extended Memory

Block Verify Code

Note: X = VIL or VIH.

VIL

VIL

VIH

Address Inputs

DQ15A–1, 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

A0 = VIH, A1 = VIH, A6 = VIL,

A9 = VID, Others VIL or VIH

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

5Eh (M29DW323DT)

5Fh (M29DW323DB)

Hi-Z

81h (factory locked)

01h (not factory locked)

Table 4. 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

VIL

VIL

VIH

Extended Memory

Block Verify 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

A0 = VIH, A1 = VIH, A6 = VIL,

A9 = VID, Others VIL or VIH

Data Inputs/Outputs

DQ15A–1, DQ14-DQ0

Data Output

Data Input

Hi-Z

Hi-Z

0020h

225Eh (M29DW323DT)

225Fh (M29DW323DB)

81h (factory locked)

01h (not factory locked)

14/49

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